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  • 1.
    A Ekström, Annelie
    Linnaeus University, Faculty of Health, Social Work and Behavioural Sciences, School of Education, Psychology and Sport Science.
    Att arbeta integrerat med asylbarn i allmän förskola: En kvalitativ studie baserad på lärarintervjuer2013Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Syftet med föreliggande studie var att vinna kunskap om och ge en bild av hur sex pedagoger inom förskolan upplever att det är att arbeta integrerat med asylbarn i den allmänna förskolan och att ge en bild av vad pedagogerna berättar om hur detta arbete organiseras.  För att få svar på studiens frågor har en kvalitativ forskningsintervju använts. Två forskningsfrågor skapades från vilka intervjufrågorna huvudsakligen formades. Forskningsfrågorna var: Vilka förutsättningar för arbetet med asylbarn ger pedagogerna uttryck för och på vilket sätt organiseras den allmänna förskolan för asylbarn. Som analysredskap i studien har den sociokulturella och den interkulturella teorin använts. Studiens resultat visar att integreringen av asylbarn i den allmänna förskolan innebär att pedagogerna har att förhålla sig till att arbeta med asylbarn och deras föräldrar utan att dela språk eller känna till mycket om deras bakgrund. De måste också arbeta i en barngrupp som kan vara extra rörlig och instabil till storlek och dagsform. Resultatet visar också att den goda intention som det är att asylbarnen ska få komma varje dag till den allmänna förskolan gör att tiden på förskolan blir för kort för att pedagogerna ska kunna arbeta mer planerat med asylbarnens språk och egna kultur.

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    Examensarbete 130129
  • 2. Aaboe, L
    et al.
    Lindelöf, Peter
    University of Kalmar, Baltic Business School.
    Löfsten, H
    Incubator performance: An efficiency frontier analysis2008In: International Journal of Business Innovation and Research, ISSN 1751-0252, E-ISSN 1751-0260, Vol. 2, no 4, p. 354-380Article in journal (Refereed)
    Abstract [en]

    Assessments and evaluations of incubators has been a topic of discussion for as long as incubators have been in existence due to the fact that there has not been an agreement on how to determine good performance. This paper demonstrates the use of Data Envelopment Analysis (DEA) when studying performance of incubators. More specifically, it does so within the four dimensions of cooperation with universities, business networks, external funding and competence development on a sample of 16 Swedish incubators. We show that DEA enables us to measure non-numerical dimensions, and to simultaneously take into account the efforts made by both the incubator and the outcomes. Moreover, DEA provides benchmarks and, based on a model that divides the incubators into four different groups, illustrates the difference between the benchmark and the incubators' current situation.

  • 3. Aaboen, L
    et al.
    Lindelöf, Peter
    University of Kalmar, Baltic Business School.
    Löfsten, H
    Critical dimensions for technology transfer Incubator-facilitated links between finance, academia and NTBFs2008In: International Journal of Management and Enterprise Development, ISSN 1468-4330, E-ISSN 1741-8127, Vol. 5, no 3, p. 331-335Article in journal (Refereed)
    Abstract [en]

    This paper explores incubator facilitation of technology transfer for their New Technology-Based Firms (NTBFs). Empirical evidence gathered from six interviews with incubator managers, together with a survey of 131 NTBFs in incubators in Sweden, in 2005, and the findings made in a survey of 273 NTBFs situated inside-and-outside Science Parks in 1999, are used for the exploration. It is suggested that incubators do facilitate technology transfer for their NTBFs. It is further suggested that the development towards increased ability to facilitate technology transfer will continue as a results of the efforts made on the incubator and systemic level.

  • 4.
    Aaby, Jacqueline
    Linnaeus University, Faculty of Arts and Humanities, Department of Languages.
    ¿La motivación es importante, o no…?: Una investigación sobre la motivación en los pasos 1 y 3 de ELE del instituto sueco 2016Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
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  • 5.
    Aaby, Jacqueline
    et al.
    Linnaeus University, Faculty of Social Sciences, Department of Sport Science.
    Ekblom, Jakob
    Linnaeus University, Faculty of Social Sciences, Department of Sport Science.
    Hur blev det med hälsan?: En kvalitativ studie om elevers syn på hälsa i ämnet Idrott och hälsa i årskurs nio.2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Syftet med denna studie är att undersöka vilken uppfattning elever i årskurs nio har om hälsa. Ämnet Idrott och hälsa bedrivs på olika sätt och syftet med studien är även att få en klarare bild över hur eleverna upplever att de arbetar med hälsa i undervisningen. Genom intervjuer vill vi höra elevernas tankar och erfarenheter om hälsa och vad de skulle vilja lära sig mer om. Vi vill även veta vad de tycker är viktigt för att kunna påverka sin framtida hälsa.

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    Självständigt arbete 2IDÄ06
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    Bilaga 1
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    Bilaga 2
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    Bilaga 3
  • 6.
    Aaby, Jacqueline
    et al.
    Linnaeus University, Faculty of Social Sciences, Department of Sport Science.
    Olsson, Andreas
    Linnaeus University, Faculty of Social Sciences, Department of Sport Science.
    Ett deltagande, för vem?: En kvalitativ intervjustudie om gymnasieelevers deltagande i Idrott och hälsa 12016Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The aim of this study was to investigate, at first, why students in upper secondary school in Sweden participate or not in Physical education and health (PEH) and also find out what changes the subject need that can affect their participation. To get answers out of the in-vestigation, we formulated questions about what preconceptions the students of an specific group have about participation and non-participation in PEH and what changes the subject need, according to the students, to become a subject for all students. The study was based on a qualitative method, by using interviews of ten students from Swedish upper secondary school. The students were from two schools in a mediumsized region and from different programmes.

    The results of the study shows clearly that the content and the grades in PEH affects the student’s participation, which was crucial to whether they felt they wanted to participate actively in the lessons or not. The grades were considered as important and affected the participation even though some of the students were not interested in the content, but they still did the things that the teacher demanded. Despite this, the attitudes towards the subject were positive among the interviewed students. The factors the students think can change the participation to more actively is implement more activities as dance, individual training but also, delimit ballsports. It seems like the interviewed students are searching for meaningfulness in the lessons of the subject with a link between the curriculum and grading criteria.

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  • 7.
    Aaby, Susanne
    et al.
    Linnaeus University, Faculty of Technology, Department of Forestry and Wood Technology. 1991.
    Carlsson, Henric
    Linnaeus University, Faculty of Technology, Department of Forestry and Wood Technology.
    Effektivisering av timmerplan på Kinnaredsågen2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Sågverken i Sverige letar kontinuerligt efter lösningar för att kunna effektivisera produktionen. I denna studie analyseras specifikt Derome Kinnareds sågens timmerplan. Genom en stopptidsanalys, undersökningar av nya tekniska lösningar, muntliga kommunikationer med personal samt arbetsledare och andra företag införskaffades underlag till analys. Åtgärder som kan utföras för att minimera produktionskostnaderna eller öka produktionen på timmerplan är att implementera ny teknik t.ex. fjärrmätning, digitalisera mätbesked med hjälp av SDC:s arkiv, omorganisera personalstyrkan samt införskaffa bemyndigad mätare. Förslagen indikerar att implementering av dem kan förbättra Kinnaredsågens ekonomi. Beroende på hur mycket företaget är villigt att investera kan det effektiviseras i olika grad. I samband med kommunikation med företagsrepresentanter kom man dock fram till att ny teknik kan vara bättre att implementera vid en nybyggnation.

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  • 8.
    Aakre, Nina
    Linnaeus University, Faculty of Health and Life Sciences, Department of Health and Caring Sciences.
    Anestesisjuksköterskans uppfattningar av lärande till yrkesprofession: -en fenomenografisk studie.2019Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Bakgrund: Anestesisjuksköterskan arbetar i en komplex vårdmiljö med självständigt ansvar för patientens anestesi under operation och förväntas bedöma och hantera komplexa vårdsituationer. Lärande till yrkesprofession sker delvis under utbildningen till specialistsjuksköterska inom anestesi och delvis inom ramen för det yrkeskollektiv som anestesisjuksköterskan arbetar. För att uppnå kompetens som anestesisjuksköterska krävs vissa komponenter i lärandet till yrkesprofession.

    Syfte: Att beskriva anestesisjuksköterskors uppfattningar av lärandet till yrkesprofession.

    Metod: Studien har en kvalitativ design med fenomenografisk forskningsansats.  Anestesisjuksköterskor från en operationsavdelning i sydöstra Sverige har intervjuats kring temat lärande till yrkesprofession. Intervjumaterialet har analyserats enligt fenomenografisk metod.

    Resultat: Fyra beskrivningskategorier som handlade om lärande till yrkesprofession identifierades. Att lära sig utföra anestesisjukvård, att lära sig tänka och agera som anestesisjuksköterska, att lära sig bemöta patienter och att lära sig samarbeta.

    Slutsats: Resultatet visar att för att lära sig vårda en patient i en anestesikontext krävs vissa komponenter. Det är viktigt att vara medveten om dessa komponenter när studenter eller nyanställda skall lära sig yrkesprofessionen. Genom klinisk träning och teoretisk förankring kan anestesisjuksköterskan lära sig vårda komplexa sjukdomstillstånd där patientens säkerhet och integritet bibehålls.

  • 9.
    Aalto, Mervi Anneli
    University of Kalmar, School of Pure and Applied Natural Sciences.
    Vill kunder handla receptfria läkemedel i dagligvaruhandeln?: - En enkätundersökning2008Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpStudent thesis
    Abstract [sv]

    Sammanfattning

    I Sverige har det statliga apoteketsmonopolet ifrågasatts en längre tid och regeringen utreder nu möjligheten att konkurrensutsätta läkemedelsförsäljningen. Det har även föreslagits i den statliga utredningen (SOU 2008:4 del 2) att ett begränsat sortiment av OTC läkemedel (over the counter = receptfria läkemedel) ska få säljas i dagligvaruhandeln utan farmaceutiskt kompetenskrav. Vid korrekt användning och tillgång till rätt rådgivning kan OTC läkemedel vara till en stor hjälp för den enskilde individen vid egenvård och därigenom också bidra till avlastning på sjukvårdens resursers. Vid felanvändning av OTC läkemedel (över/underdosering, fel indikationsområde etc.), kan de istället få motsatt effekt. Syftet med denna enkätstudie var därför att utforska om konsumenter av OTC läkemedel i Sverige önskar få tillgång till dessa läkemedel i t ex livsmedelsbutiker, där de inte har tillgång till personlig farmaceutisk rådgivning, vidare var avsikten att undersöka hur de i dagligvaruhandeln önskade få läkemedelsinformation. I februari 2008 gjordes en enkätstudie i Västervik som inkluderade 48 deltagare varav 29 kvinnor och 19 män. Studien visade att 71 % av deltagarna hade en positiv inställning till att köpa OTC läkemedel i livsmedelsbutiker, 58 % skulle skaffa information genom läkemedelsförpackning och bipacksedel i kombination med att de tidigare använt läkemedlet. Önskan om tillgång till personlig rådgivning på inköpsstället var störst i åldern ≤ 35 år, där 38 % ansåg sig vilja det. Slutsats av studien är att majoriteten vill kunna handla OTC läkemedel i dagligvaruhandeln och information skulle de få främst från läkemedelsförpackning/bipacksedel i kombination med erfarenheter från tidigare användning.

    2008:F5

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  • 10.
    Aarenstrup, Sophie
    et al.
    Linnaeus University, Faculty of Social Sciences, Department of pedagogy.
    Granholm, Fredrika
    Linnaeus University, Faculty of Social Sciences, Department of pedagogy.
    Att vara syskon eller partner till en person med ätstörningsproblematik2015Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Syftet med denna uppsats har varit att belysa behandlares uppfattningar om syskon och partners upplevelser av att ha en nära person med en ätstörning, samt betydelsen av att involvera dem i den drabbades behandling. Studien genomfördes med en kvalitativ metod där semistrukturerade intervjuer utfördes med 6 behandlare på olika ätstörningsverksamheter i Sverige. Resultat och slutsats visade att syskon och partners, samt andra närstående, är betydelsefulla för patientens tillfriskande. Det är viktigt att syskon och partners involveras i behandling, och att de får information om sjukdom och behandling. Syskon ska inte anta en ansvarsroll, medan partner behöver ta ett visst ansvar i vardagen. Ätstörningar har en tydlig påverkan på partners och syskon, samt på närstående i allmänhet. Närstående bör få goda verktyg till hur de kan vara ett stöd på bästa sätt till den drabbade. Behandlaren ska bemöta närstående med förståelse, respekt och ingen skuldbeläggning. Det är väsentligt för patientens motivation och tillfrisknande att det finns en god och nära relation till de närstående som är involverade i behandlingen. Det finns en brist på forskning inom detta område. Vidare forskning krävs för att stärka studiens resultat och slutsats.

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  • 11.
    Aarnes, Rose-Marie
    et al.
    Linnaeus University, Faculty of Science and Engineering, School of Engineering.
    Andersson, Malin
    Linnaeus University, Faculty of Science and Engineering, School of Engineering.
    Varför lyckas inte alla?: En studie på Hantverksprogrammet Frisör och Florist om skillnader mellan hög- och lågpresterande elever.2011Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Our purpose with this study was to investigate whether there was any difference between high and low performing students from selected aspects such as choice of studies, achievement, self-image, motivation, confidence and career choices.

    A training professional in today's schools requires knowledge of how young people think about their lives for us to help students develop both high-and low-performing students. Students have different conditions, but no matter good or bad conditions, each individual pupil must be allowed to develop.

    The concepts used in the study are of study, self-image, motivation, achievement in the future and career choices. In the background, describes these concepts through literature study. The method we have used was semi-structured interviews. Which means a fixed structure, but with room for follow-up questions.

    The results of our study indicate that there were clear differences between high-and low-performing students. The differences suggest that the high-performing students were more conscious about their study options than low-performing students. Differences were also in the students' views of themselves,where the high-performance had a lower self- image than the low-performing students had. High performance compared each other more often with other people and was more unsure of themselves, however, the motivation was significantly higher among the high-performance students, performance showed the same results. The high-performing students had a clearer vision of the future and that they had a clearer picture of their career choice than the low-performing students.

    Discussion on how we as educators can strengthen each student based on their individual needs have been based on results of the study.

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    Rosa S Aarnes_Malin Andersson_Examensarbete_111020
  • 12.
    Aarnio, Jenny
    et al.
    Linnaeus University, Faculty of Business, Economics and Design, Linnaeus School of Business and Economics.
    Erlandsson, Ida
    Linnaeus University, Faculty of Business, Economics and Design, Linnaeus School of Business and Economics.
    Kalmar - ett platsvarumärke i skuggan av Öland och Glasriket: En studie om destinationsutveckling2012Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Turismen i Kalmar har ökat de senaste åren, men hamnar till synes i skymundan av Öland och Glasriket. Hur får man besökare att få upp ögonen för Kalmar som primära resmålet och hur får man dem att stanna? Vi har i denna uppsats intresserat oss för att ta reda på hur ett starkt platsvarumärke skapas och vad som således krävs för att bli en framgångsrik destination, samt hur man kan använda sig av platsmarknadsföring för att nå ut med platsvarumärket till potentiella målgrupper.

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  • 13.
    Aarthi, Aishwarya Devendran
    et al.
    LKAB, Sweden.
    Mainali, Brijesh
    Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology.
    Khatiwada, Dilip
    KTH Royal Institute of Technology, Sweden.
    Golzar, Farzin
    KTH Royal Institute of Technology, Sweden.
    Mahapatra, Krushna
    Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology.
    Implementation of GIS-AHP Framework for the Identification of Potential Landfill Sites in Bengaluru Metropolitan Region, India2023In: The 9th International Conference on Energy and Environment Research. ICEER 2022. / [ed] Caetano, N.S., Felgueiras, M.C., Springer, 2023Conference paper (Refereed)
    Abstract [en]

    Uncontrolled open dumping and burning of municipal solid waste (MSW) has resulted in soil, water, and air pollution in many urban cities in India. Landfills are the most common cost-effective solution for MSW management in many developing countries like India. However, the identification of suitable landfill sites always remains a challenging task as it involves the selection of several environmental criteria set by the local authorities. The objective of this study is to identify the most potential landfill sites proposed by the Government in Bengaluru Metropolitan Region, Karnataka state, India using Geographic Information System enabled Analytical Hierarchy Process based multi-criteria evaluation technique. Several criteria and constraints as recommended by the local authorities along with the proximity to the solid waste processing plants are used to identify the potential landfill sites in the study region. The study identified three highly suitable sites (Neraluru, Gudhatti, Madivala) for landfills which are not only environmentally sustainable but also economically attractive as they are closer to the solid waste processing plants minimizing the transportation cost involved in the disposal of solid waste from the source to the final disposal sites in the study region.

  • 14.
    Abada, Mariam
    Linnaeus University, Faculty of Health and Life Sciences, Department of Chemistry and Biomedical Sciences.
    Vilka problem finns det med förfalskade läkemedel?2014Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Världsmarknaden för läkemedlen beräknades år 2011 till 900 miljarder US$ enligt IMS-health. Marknaden för illegala läkemedel uppskattas vara värd mellan 75-200 miljarder dollar. I Sverige uppskattas den illegala läkemedelsmarknaden till motsvarande ≤0,5 %. Straffet för insmuggling av läkemedel till Sverige är böter eller max 2 års fängelse. Tullverket räknar med att man endast hittar 10 % av det som smugglas in. I andra länder kan straffet variera mellan böter (ekonomisk brottslighet i Afrika) till dödsstraff i Kina.

    I Utvecklingsländerna uppskattas 10-30 % av alla läkemedel som säljs vara förfalskade, jmf 1 % I-länderna. l. Förekomsten av förfalskade läkemedel har många allvarliga konsekvenser på människor som exempelvis, utebliven effekt, toxiska reaktioner, förgiftningar, som kan i värsta fall leda till döden. Ett annat alvarligt problem är resistensutveckling, ökad spridning av smittsamammasjukdomar som exempel, tuberkulos och/ eller HIV/AIDS.

    Syftet med detta examensarbete är att besvara frågan: Vilka problem ger den ökande förekomsten av förfalskade läkemedel i samhället. Undersökningen fokuserar på livstidsläkemedel, dvs ett läkemedel en person måste ta resten av sitt liv för behandling av sin kroniska sjukdom.

    För att komma till rätta med de problem, som förfalskade läkemedel, skapar krävs ett mer utvecklat samarbete mellan olika läkemedelsmyndigheter, läkemedelsföretag, internationella polisorganisationer, tull m.fl. Arbetet med att utveckla förpackningar som är svåra att förfalska bör intensifieras. Straffsatser bör kanske ses över. Det är viktigt att öka medvetandet bland allmänheten om risker med att köpa läkemedel utanför apotek (t ex via nätet).

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  • 15.
    Abadi, Imam
    et al.
    Institut Teknologi Sepuluh Nopember, Indonesia.
    Hardiana, Tiara Oktavia
    Institut Teknologi Sepuluh Nopember, Indonesia.
    Imron, Chairul
    Institut Teknologi Sepuluh Nopember, Indonesia.
    Fitriyanah, Dwi Nur
    Institut Teknologi Sepuluh Nopember, Indonesia.
    Jani, Yahya
    Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science.
    Abdullah, Kamaruddin
    Darma Persada University, Indonesia.
    Design of Adaptive Neuro-Fuzzy Inference Control Based One-Axis Solar Tracker on Battery Charging System2020In: E3S Web of Conferences, EDP Sciences, 2020, Vol. 190, p. 1-15, article id 00015Conference paper (Refereed)
    Abstract [en]

    The photovoltaic (PV) panel can produce electrical energy that is very environmentally friendly and easy to use. The use of PV panels is suitable for supplying peak loads or at night using batteries as energy storage. However, the battery needs to manage for control, and the battery can last long. The solution to battery management problems is through research about the battery charging system. The DC-DC converter used is the Single Ended Primary Inductance Converter (SEPIC) type. Voltage Control of the battery charging using Adaptive Neuro-Fuzzy Inference System (ANFIS). In the simulation of bright conditions, ANFIS controls can track the charging point set point and obtain a voltage response with a rise time of 0.0028 s, a maximum overshoot of 0.027 %, a peak time of 0.008 s, and a settling time of 0.0193 s. When charging a solar tracker, PV battery gets a 0.25 % increase compared to a fixed PV panel. PV solar tracker can follow the direction of the sun's position. The irradiation value and maximum temperature affect the input voltage and input current that enters the converter. © The Authors, published by EDP Sciences, 2020.

  • 16.
    Abadi, Imam
    et al.
    Institut Teknologi Sepuluh Nopember, Indonesia.
    Uyuniyah, Qurrotul
    Institut Teknologi Sepuluh Nopember, Indonesia.
    Fitriyanah, Dwi Nur
    Institut Teknologi Sepuluh Nopember, Indonesia.
    Jani, Yahya
    Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science.
    Abdullah, Kamaruddin
    Darma Persada University, Indonesia.
    Performance Study of Maximum Power Point Tracking (MPPT) Based on Type-2 Fuzzy Logic Controller on Active Dual Axis Solar Tracker2020In: E3S Web of Conferences, EDP Sciences, 2020, Vol. 190, p. 1-16, article id 00016Conference paper (Refereed)
    Abstract [en]

    World energy consumption increases with time, so that occur an energy imbalance. Many breakthroughs have developed to utilize renewable energy. The photovoltaic system is one of the easy-to-use renewable energies. The power conversion from PV fixed is still low, so the PV system is designed using the active dual-axis solar tracker. The PV tracker position can be adjusted to change the sun position to get maximum efficiency. The active dual-axis solar tracker system is integrated with the maximum power point tracking (MPPT) algorithm to keep PV operating at a maximum power point even though input variations change. The active dual-axis solar tracker system integrated with the maximum power point tracking (MPPT) algorithm to keep PV operating at a maximum power point even though input variations change. Tracking test simulation had done by comparing the output power of a fixed PV system with the active dual-axis solar tracker. Type-2 fuzzy logic based MPPT successfully increased the average output power by 10.48 % with the highest increase of 17.48 % obtained at 15:00 West Indonesia Time (GMT+7). The difference in power from a fixed PV system with the active dual-axis solar tracker of 36.08 W is from the output power worth 206.3 to 242.4 W. © The Authors, published by EDP Sciences, 2020.

  • 17.
    Abakumova, Olga
    Växjö University, Faculty of Humanities and Social Sciences, School of Humanities.
    The use of the prepositions to and with after the verb to talk in British and American English: A corpus-based study2007Independent thesis Basic level (degree of Bachelor), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    This paper is a study of the use of the prepositions to/with after the verb to talk in British and American English. The research is based on the material from the COBUILDDirect corpus, Longman American Spoken Corpus and New York Times CD-ROM. The common and different features of the use of talk to/with in different genres of American and British English as well as in written and spoken English were studied; special attention was paid to the factors which influence the choice of the prepositions. The research has shown that generally talk with is used much less than talk to and probably is undergoing the process of narrowing of meaning. With after talk seems to be used most often to refer to two-way communication while talk to is used to refer to both one- and two-way communication and is, therefore, more universal than talk with.

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  • 18.
    Abalo, Ernesto
    et al.
    Växjö University, Faculty of Humanities and Social Sciences, School of Social Sciences.
    Danielsson, Martin
    Växjö University, Faculty of Humanities and Social Sciences, School of Social Sciences.
    Digitalisering och social exklusion: Om medborgares användning av och attityder till Arbetsförmedlingens digitala tjänster2008Book (Other academic)
    Abstract [en]

    This research report focuses on the users of e-government in a social science perspective. Our aim is to study how different social groups, registered at the Swedish Public Employment Service, relate to the internet, the agency and the services offered on its website (www.ams.se).

    The field of e-government research is dominated by studies that centre attention on the supply side (videlicet research investigating the entrance of IT in organizations and the implications that new technology have to these), while usercentred research (demand side) is still scarce. Our study, focusing on how citizens relate to the internet in general and e-government in particular, therefore helps to bridge a knowledge gap within the field.

    Our survey is based on a questionnaire sent to 2 000 randomly selected persons, all registered at the Swedish Public Employment Service. Of these, 762 job seekers responded, which gives us a frequency rate of 40 percent. The questions asked were related to the job seekers’ usage of and attitudes towards the internet in general and the agency’s webpage in particular, but also to their attitudes to the Swedish Public Employment Service.

    The main results show that social factors, particularly education, play a major role for the job seekers’ ability to use the web based services offered by the agency. People with a lower educational level are less inclined to use the agency’s website, and at the same time they experience the site as more complicated to use. We also found a strong link between the relations to the internet (access, usage, experience and attitudes) and the relations to the agency’s website. Those with advantaged internet relations – mostly well educated people, white collars and people living in bigger cities – also use the agency’s website more diligently and tend to have more positive attitudes towards it (and vice versa). Thus, its necessary to talk in terms of digitally well equipped and less well equipped groups.

    The unequal relations to the internet in general and the agency’s website in particular not only indicate that e-government is more suitable for the digitally well equipped, but that it in fact exclude those with less digital resources. This new kind of exclusion has great implications for the job seekers’ possibilities to enter the labour market, and to act their role as citizens. If e government also means a reformation of the citizen role – in the sense of increased individual responsibility towards the government - not bridging the digital divide will carry even more exclusion to those that’s already excluded.

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  • 19.
    Abalo, Ernesto
    et al.
    Växjö University, Faculty of Humanities and Social Sciences, School of Social Sciences.
    Danielsson, Martin
    Växjö University, Faculty of Humanities and Social Sciences, School of Social Sciences.
    Olika publiker, olika livsstilar: Om idrott, kultur och regional utveckling2008Book (Other academic)
    Abstract [sv]

    I föreliggande rapport studeras vilka sociala värden som elitidrotten och kulturen genererar för invånarna i landsortspräglade län som Blekinge, Halland, Kalmar och Kronoberg. Studien syftar till att lämna ett bidrag till den samhällsvetenskapliga idrottsforskningen, och ge ökad kunskap om idrottens och kulturens betydelse för den regionala utvecklingen.

    Studiens material vilar på en postenkät skickad till 1500 slumpmässigt utvalda personer i respektive län. Det sammanlagda antalet besvarade enkäter uppgick till 3181 stycken, vilket ger en nettosvarsfrekvens på 54 procent.

    Rapporten visar bland annat att både idrott och kultur värderas relativt högt och konsumeras i relativt stor utsträckning. Beträffande idrott konsumeras främst breddidrottsliga evenemang, och vad gäller kultur besöks bibliotek och biografer oftare än exempelvis teatrar.

    Studien visar också att de kultur- respektive idrottsintresserade skiljer sig åt vad gäller demografi, men även vad gäller livsstil. De idrottsintresserade har en mer folklig och lantlig prägel, medan de kulturintresserade är att betrakta som en välutbildad kosmopolitisk grupp. Med tanke på de sistnämndas ökade rörlighet är satsningar på kultur ej att förringa. Denna typ av satsningar kan få denna resursstarka grupp att dels stanna kvar i landsorten, dels flytta in till densamma.

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  • 20.
    Abarca-Guerrero, Lilliana
    et al.
    Univ Tecnol Eindhoven, Netherlands.
    Maas, Ger
    Univ Tecnol Eindhoven, Netherlands.
    Hogland, William
    Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science.
    Desafíos en la gestión de residuos sólidos para las ciudades de países en desarrollo [Solid waste management challenges for cities in developing countries]2015In: Tecnología en Marcha, ISSN 0379-3982, Vol. 28, no 2, p. 141-168Article in journal (Refereed)
    Abstract [en]

    Solid waste management is a challenge for the cities' authorities in developing countries mainly due to the increasing generation of waste, the burden posed on the municipal budget as a result of the high costs associated to its management, the lack of understanding over a diversity of factors that affect the different stages of waste management and linkages necessary to enable the entire handling system functioning. An analysis of literature on the work done and reported mainly in publications from 2005 to 2011, related to waste management in developing countries, showed that few articles give quantitative information. The analysis was conducted in two of the major scientific journals, Waste Management Journal and Waste Management and Research. The objective of this research was to determine the stakeholders' action/behavior that have a role in the waste management process and to analyze influential factors on the system, in more than thirty urban areas in 22 developing countries in 4 continents. A combination of methods was used in this study in order to assess the stakeholders and the factors influencing the performance of waste management in the cities. Data was collected from scientific literature, existing data bases, observations made during visits to urban areas, structured interviews with relevant professionals, exercises provided to participants in workshops and a questionnaire applied to stakeholders. Descriptive and inferential statistic methods were used to draw conclusions. The outcomes of the research are a comprehensive list of stakeholders that are relevant in the waste management systems and a set of factors that reveal the most important causes for the systems' failure. The information provided is very useful when planning, changing or implementing waste management systems in cities.

  • 21.
    Abazi, Tereze
    Linnaeus University, Faculty of Social Sciences, Department of Political Science.
    Yttrandefrihet och koranbränningar: En kvalitativ idéanalys av hur Socialdemokraterna, Sverigedemokraterna och Moderaterna förhåller sig till skadeprincipen och institutionella perspektiv.2023Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The aim of this paper is to examine how the Swedish political parties the Sweden Democrats (SD), Social Democrats (S), and the Moderates (M) relate to the principle of freedom of expression and the burning of the Quran, which has sparked a Koran crisis as well as a security crisis in Sweden in 2023. The analysis methodology applied in this study is a descriptive idea analysis, which aims to identify values, descriptions, and prescriptions conveyed by the parties during their speeches and debates. The paper also applies three theoretical perspectives:Sociological institutionalism, rational choice institutionalism and John Stuart Mill's harm principle, to explain and evaluate the parties' arguments and positions through institutional factors, rational choice, and moral principles. The study reveals noteworthy disparities in the perspectives of the parties concerning the significance of freedom of expression, the causes and consequences of the Koran burnings, and the appropriate measures to deal with the situation. This research facilitates comprehension of the political discourse and the course of action associated with a contentious and delicate topic that impacts the democracy and security of Sweden.

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  • 22.
    Abazi, Valbon
    et al.
    Växjö University, Faculty of Humanities and Social Sciences, School of Management and Economics. Växjö University.
    Emilsson, Jonas
    Växjö University, Faculty of Humanities and Social Sciences, School of Management and Economics. Växjö University.
    Bengtsson, Daniel
    Växjö University. Växjö University, Faculty of Humanities and Social Sciences, School of Management and Economics.
    Fallstudie på Andritz - Styrkortets utformning och användning: -2009Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
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  • 23.
    Abazibra, Luan
    et al.
    Linnaeus University, Faculty of Social Sciences, Department of Social Work.
    Karlsson Adjei, Samuel
    Linnaeus University, Faculty of Social Sciences, Department of Social Work.
    "Pojke eller flicka, alla ungdomar vill bli sedda" : En kvalitativ studie om nyexaminerade socionomers reflektioner kring att genus görs inom HVB och hur de agerar i behandlingsarbetet med ungdomarna.2022Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Socialstyrelsen (2021) reports that 8300 children and young people in Sweden were placed on a so called HVB during 2020. HVB stands for hem för vård eller boende which in english terms is equal to a home for care or housing. HVB was during 2020 the second most common form of placement for children and adolescents. Socialstyrelsen (2018) reports that social workers working within HVB are responsible for meeting young people's care needs in the form of various treatments. Research done by Mattson (2010) suggests that HVB is a closed environment, which can result in social workers that are active in these care homes become identification objects for the young people who are placed in these care homes. 

     Treatment staff in HVB homes work with adolescents who are in need of support and help. Social workers are expected to work gender-consciously to meet the individual needs of adolescents. Previous research shows that HVB is a complex environment that requires flexibility on the part of treatment staff and that interventions do not always lead to the best results. Newly graduated social workers are expected to possess knowledge as critical awareness of how gender affects treatment work.

    We have chosen to investigate how newly graduated social workers who are active in HVB homes reflect about the fact that gender is done in treatment work and how they act with adolescents as gender awareness is part of the newly graduated social workers' education. The results of the study showed that the reflections of newly graduated social workers confirm previous research's explanation that gender is made in the treatment work with adolescents and which in turn affects how the staff's treatment work is designed. The result highlights that norms, stereotypes and gender perceptions that society produces affect the treatment work despite the social workers' gender awareness through education. Through the study, we also see the desire to counteract these gender notions and its ability to influence treatment work but that it is difficult.

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  • 24.
    Abbadi, Ahmad
    et al.
    Karolinska Institutet, Sweden;Stockholm University, Sweden.
    Kokoroskos, Emmanouil
    Karolinska Institutet, Sweden;Stockholm University, Sweden;Lideta Mälardalen AB, Sweden.
    Stamets, Matthew
    Karolinska Institutet, Sweden;Stockholm University, Sweden.
    Vetrano, Davide L.
    Karolinska Institutet, Sweden;Stockholm University, Sweden;Stockholm Gerontology Research Center, Sweden.
    Orsini, Nicola
    Karolinska Institutet, Sweden.
    Elmståhl, Sölve
    Lund University, Sweden.
    Fagerström, Cecilia
    Linnaeus University, Faculty of Health and Life Sciences, Department of Health and Caring Sciences. Region Kalmar, Sweden.
    Wimo, Anders
    Karolinska Institutet, Sweden.
    Sköldunger, Anders
    Karolinska Institutet, Sweden.
    Berglund, Johan Sanmartin
    Blekinge Institute of Technology, Sweden.
    Olsson, Christina B.
    Karolinska Institutet, Sweden;Region Stockholm, Sweden.
    Wachtler, Caroline
    Karolinska Institutet, Sweden;Region Stockholm, Sweden.
    Fratiglioni, Laura
    Karolinska Institutet, Sweden;Stockholm University, Sweden;Stockholm Gerontology Research Center, Sweden.
    Calderon-Larranaga, Amaia
    Karolinska Institutet, Sweden;Stockholm University, Sweden;Stockholm Gerontology Research Center, Sweden.
    Validation of the Health Assessment Tool (HAT) based on four aging cohorts from the Swedish National study on Aging and Care2024In: BMC Medicine, E-ISSN 1741-7015, Vol. 22, no 1, article id 236Article in journal (Refereed)
    Abstract [en]

    Background As global aging accelerates, routinely assessing the functional status and morbidity burden of older patients becomes paramount. The aim of this study is to assess the validity of the comprehensive clinical and functional Health Assessment Tool (HAT) based on four cohorts of older adults (60 + years) from the Swedish National study on Aging and Care (SNAC) spanning urban, suburban, and rural areas.Methods The HAT integrates five health indicators (gait speed, global cognition, number of chronic diseases, and basic and instrumental activities of daily living), providing an individual-level score between 0 and 10. The tool was constructed using nominal response models, first separately for each cohort and then in a harmonized dataset. Outcomes included all-cause mortality over a maximum follow-up of 16 years and unplanned hospital admissions over a maximum of 3 years of follow-up. The predictive capacity was assessed through the area under the curve (AUC) using logistic regressions. For time to death, Cox regressions were performed, and Harrell's C-indices were reported. Results from the four cohorts were pooled using individual participant data meta-analysis and compared with those from the harmonized dataset.Results The HAT demonstrated high predictive capacity across all cohorts as well as in the harmonized dataset. In the harmonized dataset, the AUC was 0.84 (95% CI 0.81-0.87) for 1-year mortality, 0.81 (95% CI 0.80-0.83) for 3-year mortality, 0.80 (95% CI 0.79-0.82) for 5-year mortality, 0.69 (95% CI 0.67-0.70) for 1-year unplanned admissions, and 0.69 (95% CI 0.68-0.70) for 3-year unplanned admissions. The Harrell's C for time-to-death throughout 16 years of follow-up was 0.75 (95% CI 0.74-0.75).Conclusions The HAT is a highly predictive, clinically intuitive, and externally valid instrument with potential for better addressing older adults' health needs and optimizing risk stratification at the population level.

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  • 25.
    Abbas, Dalia
    et al.
    Linnaeus University, Faculty of Arts and Humanities, Department of Music and Art.
    Kero, Sanni
    Linnaeus University, Faculty of Arts and Humanities, Department of Music and Art.
    Hållbar bildutveckling: En bildlärare i Sverige och en bildkonstlärare i Finlands uppfattningar om undervisning inom hållbar utveckling2022Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Inom bild- och bildkonstämnet har sparsamhet och återvinning ständigt varit en grundläggande del. På grund av de globala klimatfrågorna har hållbar utveckling blivit aktuellt inom alla livsområden, utbildningsnivåer och läroämnen. Denna studie fokuserar på värdet av bild- och bildkonstutbildning som ett komplext verktyg för att lyfta fram hållbar utveckling och dess miljöaspekter. Syftet är att ta reda på vilka möjligheter två bild- och bildkonstlärare, från Sverige och Finland, ser på ämnet i relation till miljöundervisning. Studien fokuserar på två lärares uppfattningar om bild- och bildkonstämnets möjligheter samt de värderingar som styr urvalet för innehållet. Resultatet visar att ämnet bild- och bildkonst har många olika möjligheter när det gäller undervisning inom hållbarhet som ett verktyg för att få fram de nya perspektiv som konst kan erbjuda. Avslutningsvis visade studien att lärares intresse för miljöfrågor ger dem mer inspiration, dock påverkar detta inte direkt innehållet i undervisningen.

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  • 26.
    Abbas, Mirna
    Linnaeus University, Faculty of Health and Life Sciences, Department of Chemistry and Biomedical Sciences.
    Finns det ett samband mellan behandling av akne med läkemedlet isotretinoin och uppkomst av psykiatriska symptom samt självmord?: En litteraturstudie2022Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Acne or pimples is an inflammatory skin reaction that occurs when the sebaceous glands or hair follicles become inflamed. This skin reaction is seen as a rash on or under the skin and mainly involves the face. Acne is most common in adolescence but can affect people of all ages. Acne is considered a contributing factor to social isolation, low self-esteem, depression, and suicidal thoughts.

    During the 1950s, a new acne drug containing the active substance isotretinoin was developed. The drug began to be used in the early 1980s and is today the most effective drug in treating severe acne. Isotretinoin is a vitamin A acid derivative (13-cis-retonic-acid) that belongs to the drug group retinoids. Isotretinoin is intended for the treatment of severe scarring acne, as well as where the treatment of acne with other drugs such as antibiotics or topical treatment has not given the desired result. Isotretinoin is an effective drug in treating severe acne, but unfortunately also a drug that can cause troublesome and severe side effects. As isotretinoin crosses the blood-brain barrier, studies have been performed on whether there is a link between treatment with isotretinoin and mental reactions. There is a high incidence of psychiatric symptoms and suicidal ideation in people suffering from acne. It is difficult to distinguish whether the mental symptoms are drug-related or not.

    The purpose of this literature review was to investigate whether there may be an association between the treatment of acne with the drug isotretinoin and the onset of psychiatric symptoms as well as suicide. To find relevant articles for this work, a search was performed in the PubMed database through Linnaeus University's library, which resulted in six relevant studies. Different self-assessment scales evaluated depression, anxiety, and quality of life in selected studies. The results of the studies are unequivocal, where none of the studies showed a connection between the occurrence of psychiatric symptoms and suicidal thoughts when treating acne with the drug isotretinoin. On the contrary, it indicated an improvement in psychiatric conditions reflected in acne reduction. However, there is insufficient evidence that these results can rule out the emergence of psychiatric symptoms and suicidal thoughts during treatment.

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    Ex-arbete 2022
  • 27.
    Abbas, Nada
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Information needs of gravel roads stakeholders:  A case study to elicit the requirements of future users of a cloud-based information system2020Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Within any ecosystem, information needs are shared to be fulfilled and to support the ecosystem in a way or another. They are vital for designing appropriate information systems that will provide those needs. In this thesis, the gravel road ecosystem is studied, where efficient information sharing is not enabled due to the lack of appropriate information systems. Thus,when focusing on the gravel roads ecosystem, information plays a crucial role regarding the maintenance acts upon these roads. Moreover, not enough literature investigates theinformation needs of gravel roads stakeholders with the aim to improve the maintenance ofthese roads.

    Therefore, this thesis intends to elicit information needs of gravel road stakeholders by performing an exploratory case study. The case study forms a part of an ongoing project with the goal to build a cloud-based information system for a sustainable gravel road maintenance. Data were collected through telephone- and online-based interviews with several key stakeholders in Sweden and were thereafter structured through template analysis. The major findings were a set of information needs and several needed sensors within the pre-mentioned information system. This thesis concluded that the future cloud-based information system in the ongoing project is a useful system for sharing vital information among future gravel roads stakeholders, considering the variety of needed information that affects the maintenance of the gravel roads.

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    Information needs of gravel roads stakeholders
  • 28.
    Abbas, Nada
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Kans, Mirka
    Linnaeus University, Faculty of Technology, Department of Mechanical Engineering. Chalmers University of Technology, Sweden.
    Information Needs of Gravel Road Stakeholders2022In: Infrastructures, E-ISSN 2412-3811, Vol. 7, no 12, article id 166Article in journal (Refereed)
    Abstract [en]

    Within any ecosystem, information sharing is essential. In this paper, the Swedish gravel road ecosystem is studied, where information plays a crucial role for the effective management of operations and maintenance. However, efficient information sharing is not enabled due to the lack of appropriate information systems. For addressing this issue, this paper intends to elicit information needs of gravel road stakeholders to support the design of a cloud-based information system. The main purpose is to explore the information needs of stakeholders within the Swedish gravel road ecosystem. Data were collected through in-depth semi-structured interviews with 11 participants representing key stakeholders in the ecosystem. Template analysis was used for analyzing the interview results. The major findings were a set of information needs covering road identification and condition, weather conditions, accessibility and traffic, maintenance policy, and sensor data. The results form a comprehensive information model for the further development of a cloud-based gravel road management system that would contribute to increased traffic safety and comfort, lower maintenance and management costs, and better decision-making abilities.

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  • 29.
    Abbas, Nadeem
    Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM).
    Designing Self-Adaptive Software Systems with Reuse2018Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    Modern software systems are increasingly more connected, pervasive, and dynamic, as such, they are subject to more runtime variations than legacy systems. Runtime variations affect system properties, such as performance and availability. The variations are difficult to anticipate and thus mitigate in the system design.

    Self-adaptive software systems were proposed as a solution to monitor and adapt systems in response to runtime variations. Research has established a vast body of knowledge on engineering self-adaptive systems. However, there is a lack of systematic process support that leverages such engineering knowledge and provides for systematic reuse for self-adaptive systems development. 

    This thesis proposes the Autonomic Software Product Lines (ASPL), which is a strategy for developing self-adaptive software systems with systematic reuse. The strategy exploits the separation of a managed and a managing subsystem and describes three steps that transform and integrate a domain-independent managing system platform into a domain-specific software product line for self-adaptive software systems.

    Applying the ASPL strategy is however not straightforward as it involves challenges related to variability and uncertainty. We analyzed variability and uncertainty to understand their causes and effects. Based on the results, we developed the Autonomic Software Product Lines engineering (ASPLe) methodology, which provides process support for the ASPL strategy. The ASPLe has three processes, 1) ASPL Domain Engineering, 2) Specialization and 3) Integration. Each process maps to one of the steps in the ASPL strategy and defines roles, work-products, activities, and workflows for requirements, design, implementation, and testing. The focus of this thesis is on requirements and design.

    We validate the ASPLe through demonstration and evaluation. We developed three demonstrator product lines using the ASPLe. We also conducted an extensive case study to evaluate key design activities in the ASPLe with experiments, questionnaires, and interviews. The results show a statistically significant increase in quality and reuse levels for self-adaptive software systems designed using the ASPLe compared to current engineering practices.

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  • 30.
    Abbas, Nadeem
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Towards autonomic software product lines2011In: SPLC '11 Proceedings of the 15th International Software Product Line Conference, Volume 2, ACM Press, 2011, p. 44:1-44:8Conference paper (Refereed)
    Abstract [en]

    We envision an Autonomic Software Product Line (ASPL). The ASPL is a dynamic software product line that supports self adaptable products. We plan to use reflective architecture to model and develop ASPL. To evaluate the approach, we have implemented three autonomic product lines which show promising results. The ASPL approach is at initial stages, and require additional work. We plan to exploit online learning to realize more dynamic software product lines to cope with the problem of product line evolution. We propose on-line knowledge sharing among products in a product line to achieve continuous improvement of quality in product line products.

  • 31.
    Abbas, Nadeem
    et al.
    Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM), Department of Computer Science.
    Andersson, Jesper
    Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM), Department of Computer Science.
    Architectural reasoning for dynamic software product lines2013In: Proceedings of the 17th International Software Product Line Conference co-located workshops, ACM Press, 2013, p. 117-124Conference paper (Refereed)
    Abstract [en]

    Software quality is critical in today's software systems. A challenge is the trade-off situation architects face in the design process. Designers often have two or more alternatives, which must be compared and put into context before a decision is made. The challenge becomes even more complex for dynamic software product lines, where domain designers have to take runtime variations into consideration as well. To address the problem we propose extensions to an architectural reasoning framework with constructs/artifacts to define and model a domain's scope and dynamic variability. The extended reasoning framework encapsulates knowledge to understand and reason about domain quality behavior and self-adaptation as a primary variability mechanism. The framework is demonstrated for a self-configuration property, self-upgradability on an educational product-line.

  • 32.
    Abbas, Nadeem
    et al.
    Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM), Department of Computer Science.
    Andersson, Jesper
    Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM), Department of Computer Science.
    Architectural Reasoning Support for Product-Lines of Self-adaptive Software Systems: A Case Study2015In: Software Architecture: 9th European Conference, ECSA 2015, Dubrovnik/Cavtat, Croatia, September 7-11, 201 / [ed] Danny Weyns, Raffaela Mirandola, Ivica Crnkovic, Springer, 2015, p. 20-36Conference paper (Refereed)
    Abstract [en]

    Software architecture serves as a foundation for the design and development of software systems. Designing an architecture requires extensive analysis and reasoning. The study presented herein focuses on the architectural analysis and reasoning in support of engineering self-adaptive software systems with systematic reuse. Designing self-adaptive software systems with systematic reuse introduces variability along three dimensions; adding more complexity to the architectural analysis and reasoning process. To this end, the study presents an extended Architectural Reasoning Framework with dedicated reasoning support for self-adaptive systems and reuse. To evaluate the proposed framework, we conducted an initial feasibility case study, which concludes that the proposed framework assists the domain architects to increase reusability, reduce fault density, and eliminate differences in skills and experiences among architects, which were our research goals and are decisive factors for a system's overall quality.

  • 33.
    Abbas, Nadeem
    et al.
    Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM), Department of Computer Science.
    Andersson, Jesper
    Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM), Department of Computer Science.
    ASPLe: a methodology to develop self-adaptive software systems with reuse2017Report (Other academic)
    Abstract [en]

    Advances in computing technologies are pushing software systems and their operating environments to become more dynamic and complex. The growing complexity of software systems coupled with uncertainties induced by runtime variations leads to challenges in software analysis and design. Self-Adaptive Software Systems (SASS) have been proposed as a solution to address design time complexity and uncertainty by adapting software systems at runtime. A vast body of knowledge on engineering self-adaptive software systems has been established. However, to the best of our knowledge, no or little work has considered systematic reuse of this knowledge. To that end, this study contributes an Autonomic Software Product Lines engineering (ASPLe) methodology. The ASPLe is based on a multi-product lines strategy which leverages systematic reuse through separation of application and adaptation logic. It provides developers with repeatable process support to design and develop self-adaptive software systems with reuse across several application domains. The methodology is composed of three core processes, and each process is organized for requirements, design, implementation, and testing activities. To exemplify and demonstrate the use of the ASPLe methodology, three application domains are used as running examples throughout the report.

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    ASPLe2017
  • 34.
    Abbas, Nadeem
    et al.
    Linnaeus University, Faculty of Technology, Department of Computer Science.
    Andersson, Jesper
    Linnaeus University, Faculty of Technology, Department of Computer Science.
    Harnessing Variability in Product-lines of Self-adaptive Software Systems2015In: Proceedings of the 19th International Conference on Software Product Line: SPLC '15, ACM Press, 2015, p. 191-200Conference paper (Refereed)
    Abstract [en]

    This work studies systematic reuse in the context of self-adaptive software systems. In our work, we realized that managing variability for such platforms is different compared to traditional platforms, primarily due to the run-time variability and system uncertainties. Motivated by the fact that recent trends show that self-adaptation will be used more often in future system generation and that software reuse state-of-practice or research do not provide sufficient support, we have investigated the problems and possibly resolutions in this context. We have analyzed variability for these systems, using a systematic reuse prism, and identified a research gap in variability management. The analysis divides variability handling into four activities: (1) identify variability, (2) constrain variability, (3) implement variability, and (4) manage variability. Based on the findings we envision a reuse framework for the specific domain and present an example framework that addresses some of the identified challenges. We argue that it provides basic support for engineering self-adaptive software systems with systematic reuse. We discuss some important avenues of research for achieving the vision.

  • 35.
    Abbas, Nadeem
    et al.
    Linnaeus University, Faculty of Technology, Department of Computer Science.
    Andersson, Jesper
    Linnaeus University, Faculty of Technology, Department of Computer Science.
    Iftikhar, Muhammad Usman
    Linnaeus University, Faculty of Technology, Department of Computer Science.
    Weyns, Danny
    Linnaeus University, Faculty of Technology, Department of Computer Science.
    Rigorous architectural reasoning for self-adaptive software systems2016In: Proceedings: First Workshop on Qualitative Reasoning abut Software Architectures, QRASA 2016 / [ed] Lisa O'Conner, IEEE, 2016, p. 11-18Conference paper (Refereed)
    Abstract [en]

    Designing a software architecture requires architectural reasoning, i.e., activities that translate requirements to an architecture solution. Architectural reasoning is particularly challenging in the design of product-lines of self-adaptive systems, which involve variability both at development time and runtime. In previous work we developed an extended Architectural Reasoning Framework (eARF) to address this challenge. However, evaluation of the eARF showed that the framework lacked support for rigorous reasoning, ensuring that the design complies to the requirements. In this paper, we introduce an analytical framework that enhances eARF with such support. The framework defines a set of artifacts and a series of activities. Artifacts include templates to specify domain quality attribute scenarios, concrete models, and properties. The activities support architects with transforming requirement scenarios to architecture models that comply to required properties. Our focus in this paper is on architectural reasoning support for a single product instance. We illustrate the benefits of the approach by applying it to an example client-server system, and outline challenges for future work. © 2016 IEEE.

  • 36.
    Abbas, Nadeem
    et al.
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Andersson, Jesper
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Löwe, Welf
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Autonomic Software Product Lines (ASPL)2010In: ECSA '10 Proceedings of the Fourth European Conference on Software Architecture: Companion Volume / [ed] Carlos E. Cuesta, ACM Press, 2010, p. 324-331Conference paper (Refereed)
    Abstract [en]

    We describe ongoing work on a variability mechanism for Autonomic Software Product Lines (ASPL). The autonomic software product lines have self-management characteristics that make product line instances more resilient to context changes and some aspects of product line evolution. Instances sense the context, selects and bind the best component variants to variation-points at run-time. The variability mechanism we describe is composed of a profile guided dispatch based on off-line and on-line training processes. Together they form a simple, yet powerful variability mechanism that continuously learns, which variants to bind given the current context and system goals.

  • 37.
    Abbas, Nadeem
    et al.
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Andersson, Jesper
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Löwe, Welf
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Towards Autonomic Software Product Lines (ASPL) - A Technical Report2011Report (Other academic)
    Abstract [en]

    This report describes a work in progress to develop Autonomic Software Product Lines (ASPL). The ASPL is a dynamic software product line approach with a novel variability handling mechanism that enables traditional software product lines to adapt themselves at runtime in response to changes in their context, requirements and business goals. The ASPL variability mechanism is composed of three key activities: 1) context-profiling, 2) context-aware composition, and 3) online learning. Context-profiling is an offline activity that prepares a knowledge base for context-aware composition. The context-aware composition uses the knowledge base to derive a new product or adapts an existing product based on a product line's context attributes and goals. The online learning optimizes the knowledge base to remove errors and suboptimal information and to incorporate new knowledge. The three activities together form a simple yet powerful variability handling mechanism that learns and adapts a system at runtime in response to changes in system context and goals. We evaluated the ASPL variability mechanism on three small-scale software product lines and got promising results. The ASPL approach is, however, is yet at an initial stage and require improved development support with more rigorous evaluation. 

    Download full text (pdf)
    fulltext
  • 38.
    Abbas, Nadeem
    et al.
    Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM).
    Andersson, Jesper
    Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM).
    Weyns, Danny
    Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM). Katholieke Univ Leuven, Belgium.
    ASPLe: a methodology to develop self-adaptive software systems with systematic reuse2020In: Journal of Systems and Software, ISSN 0164-1212, E-ISSN 1873-1228, Vol. 167, p. 1-19, article id 110626Article in journal (Refereed)
    Abstract [en]

    More than two decades of research have demonstrated an increasing need for software systems to be self-adaptive. Self-adaptation is required to deal with runtime dynamics which are difficult to predict before deployment. A vast body of knowledge to develop Self-Adaptive Software Systems (SASS) has been established. We, however, discovered a lack of process support to develop self-adaptive systems with reuse. To that end, we propose a domain-engineering based methodology, Autonomic Software Product Lines engineering (ASPLe), which provides step-by-step guidelines for developing families of SASS with systematic reuse. The evaluation results from a case study show positive effects on quality and reuse for self-adaptive systems designed using the ASPLe compared to state-of-the-art engineering practices.

  • 39.
    Abbas, Nadeem
    et al.
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Andersson, Jesper
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Weyns, Danny
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Knowledge evolution in autonomic software product lines2011In: SPLC '11 Proceedings of the 15th International Software Product Line Conference, Volume 2, New York, NY, USA: ACM Press, 2011, p. 36:1-36:8Conference paper (Refereed)
    Abstract [en]

    We describe ongoing work in knowledge evolution management for autonomic software product lines. We explore how an autonomic product line may benefit from new knowledge originating from different source activities and artifacts at run time. The motivation for sharing run-time knowledge is that products may self-optimize at run time and thus improve quality faster compared to traditional software product line evolution. We propose two mechanisms that support knowledge evolution in product lines: online learning and knowledge sharing. We describe two basic scenarios for runtime knowledge evolution that involves these mechanisms. We evaluate online learning and knowledge sharing in a small product line setting that shows promising results.

  • 40.
    Abbas, Nadeem
    et al.
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Andersson, Jesper
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Weyns, Danny
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Modeling Variability in Product Lines Using Domain Quality Attribute Scenarios2012In: Proceedings of the WICSA/ECSA 2012 Companion Volume, ACM Press, 2012, p. 135-142Conference paper (Refereed)
    Abstract [en]

    The concept of variability is fundamental in software product lines and a successful implementation of a product line largely depends on how well domain requirements and their variability are specified, managed, and realized. While developing an educational software product line, we identified a lack of support to specify variability in quality concerns. To address this problem we propose an approach to model variability in quality concerns, which is an extension of quality attribute scenarios. In particular, we propose domain quality attribute scenarios, which extend standard quality attribute scenarios with additional information to support specification of variability and deriving product specific scenarios. We demonstrate the approach with scenarios for robustness and upgradability requirements in the educational software product line.

  • 41.
    Abbas, Nadeem
    et al.
    Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM).
    Awais, Mian Muhammad
    Lahore University of Management Sciences, Pakistan.
    Kurti, Arianit
    Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM).
    Smart Forest Observatories Network: A MAPE-K Architecture Based Approach for Detecting and Monitoring Forest Damage2023In: Proceedings of the Conference Digital solutions for detecting and monitoring forest damage: Växjö, Sweden, March 28-29, 2023, 2023Conference paper (Other academic)
    Abstract [en]

    Forests are essential for life, providing various ecological, social, and economic benefits worldwide. However, one of the main challenges faced by the world is the forest damage caused by biotic and abiotic factors. In any case, the forest damages threaten the environment, biodiversity, and ecosystem. Climate change and anthropogenic activities, such as illegal logging and industrial waste, are among the principal elements contributing to forest damage. To achieve the United Nations' Sustainable Development Goals (SDGs) related to forests and climate change, detecting and analyzing forest damages, and taking appropriate measures to prevent or reduce the damages are essential. To that end, we envision establishing a Smart Forest Observatories (SFOs) network, as shown below, which can be either a local area or a wide area network involving remote forests. The basic idea is to use Monitor, Analyze, Plan, Execute, and Knowledge (MAPE-K) architecture from autonomic computing and self-adaptive software systems domain to design and develop the SFOs network. The SFOs are planned to collect, analyze, and share the collected data and analysis results using state-of-the-art methods. The principal objective of the SFOs network is to provide accurate and real-time data to policymakers and forest managers, enabling them to develop effective policies and management strategies for global forest conservation that help to achieve SDGs related to forests and climate change.

  • 42.
    Abbas, Rashad
    et al.
    Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM).
    Tesfagiorgish, William Issac
    Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM).
    Enhancing Fairness in Facial Recognition: Balancing Datasets and Leveraging AI-Generated Imagery for Bias Mitigation: A Study on Mitigating Ethnic and Gender Bias in Public Surveillance Systems2024Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Facial recognition technology has become a ubiquitous tool in security and personal identification. However, the rise of this technology has been accompanied by concerns over inherent biases, particularly regarding ethnic and gender. This thesis examines the extent of these biases by focusing on the influence of dataset imbalances in facial recognition algorithms. We employ a structured methodological approach that integrates AI-generated images to enhance dataset diversity, with the intent to balance representation across ethnics and genders. Using the ResNet and Vgg model, we conducted a series of controlled experiments that compare the performance impacts of balanced versus imbalanced datasets. Our analysis includes the use of confusion matrices and accuracy, precision, recall and F1-score metrics to critically assess the model’s performance. The results demonstrate how tailored augmentation of training datasets can mitigate bias, leading to more equitable outcomes in facial recognition technology. We present our findings with the aim of contributing to the ongoing dialogue regarding AI fairness and propose a framework for future research in the field.

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    fulltext
  • 43.
    Abbas, Sora
    Linnaeus University, Faculty of Social Sciences, Department of Political Science.
    Flykting Vs Flykting: En komparativ studie kring flyktingmottagandet 2015 i jämförelse med flyktingmottagandet 2022 och hur detta har påverkat det svenska samhället2024Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This comparative analysis is based on two theoretical frameworks, called implementation theory and agenda-setting theory, which aims to investigate how the reception of refugees from the year 2015 in Sweden differs in comparison to the reception of refugees in year 2022 as well as looks into how this has affected the Swedish society. The implementation theory focuses on how the reception of refugees is handled within political decisions and changes while the agenda-setting theory centers around how the reception of refugees in the media affected the population further analyzing how these two cases have affected the Swedish society as a whole. The material used for this analysis mostly derives from Swedish government websites and relevant articles that are applied to the chosen theories. With this, the study concludes that the reception of refugees in 2015 shows a case of failure, in relation to the implementation theory, while the reception of refugees in 2022 shows a case of success. In addition to this the reception of refugees portrayed in the media differs in 2015 compared to 2022 which resulted in immigrants from 2015 having a harder time in society as opposed to the immigrants in 2022 being more welcomed and supported in the community in accordance with the agenda-setting theory. From this the Swedish society was affected in negative ways dividing people in 2015 but changing in 2022 because of unity that influenced the community in more positive ways.

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    Examensarbete
  • 44.
    Abbasi, Amna Nisar
    Linnaeus University, Faculty of Social Sciences, Department of Political Science.
    Religion and Foreign Policy: Traditional Islamic and Iranian Islamic counterpoise approach to regional peace2023Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    The Traditional Islamic Approach is rooted in Islamic teachings and principles, emphasizing the importance of justice, compassion, and dialogue as mean to achieve peace. In contrast, the Islamic Iranian Counterpoise Approach is a more contemporary approach that reflects the Iranian government’s national interest and aims to counteract the influence of Western Powers in the region. This study will make a comparative analysis that will examine the traditional Islamic and Islamic Iranian counterpoise approaches towards regional peace. The study also examines the similarities and differences between these two approaches, highlighting their strengths and weaknesses under the umbrella of Islamic republic of Iran. The analysis explores from the theoretical foundations of both approaches previously used by the scholars in both historical and cultural contexts, as well as their practical applications in the Middle East. The findings suggest that while both approaches have their merits, the traditional Islamic approach offers a more sustainable and inclusive approach to regional peace. This approach prioritizes peaceful conflict resolution, dialogue, and mutual respect, that is a key to fostering long-term stability and harmony in the region. In contrast, the Islamic Iranian counterpoise approach, while effective in countering external influence, may lead to increased tensions and conflicts in the region. Overall, the analysis contributes to the on-going debate on approaches to regional peace in the Middle East, providing insights into the historical and contemporary factors that shape these approaches and their implications for regional security and stability.

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    Religion and Foreign Policy
  • 45. Abbasi, R.
    et al.
    Abdou, Y.
    Abu-Zayyad, T.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    Andeen, K.
    Auffenberg, J.
    Bai, X.
    Baker, M.
    Barwick, S. W.
    Bay, R.
    Alba, J. L. Bazo
    Beattie, K.
    Beatty, J. J.
    Bechet, S.
    Becker, J. K.
    Becker, K. -H
    Benabderrahmane, M. L.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bissok, M.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Bolmont, J.
    Botner, O.
    Bradley, L.
    Braun, J.
    Breder, D.
    Carson, M.
    Castermans, T.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cohen, S.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    Day, C. T.
    De Clercq, C.
    Demiroers, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Edwards, W. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegard, O.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Gerhardt, L.
    Gladstone, L.
    Goldschmidt, A.
    Goodman, J. A.
    Gozzini, R.
    Grant, D.
    Griesel, T.
    Gross, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hasegawa, Y.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Homeier, A.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Huelss, J. -P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishihara, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Joseph, J. M.
    Kampert, K. -H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kemming, N.
    Kenny, P.
    Kiryluk, J.
    Kislat, F.
    Klein, S. R.
    Knops, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Koskinen, D. J.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Krings, T.
    Kroll, G.
    Kuehn, K.
    Kuwabara, T.
    Labare, M.
    Lafebre, S.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Lehmann, R.
    Lennarz, D.
    Lucke, A.
    Lundberg, J.
    Luenemann, J.
    Madsen, J.
    Majumdar, P.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McParland, C. P.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Meures, T.
    Middell, E.
    Milke, N.
    Miyamoto, H.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Nahnhauer, R.
    Nam, J. W.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    Ono, M.
    Panknin, S.
    Patton, S.
    Paul, L.
    de los Heros, C. Perez
    Petrovic, J.
    Piegsa, A.
    Pieloth, D.
    Pohl, Arvid
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Porrata, R.
    Potthoff, N.
    Price, P. B.
    Prikockis, M.
    Przybylski, G. T.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Rizzo, A.
    Rodrigues, J. P.
    Roth, P.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Rutledge, D.
    Ruzybayev, B.
    Ryckbosch, D.
    Sander, H. -G
    Sarkar, S.
    Schatto, K.
    Schlenstedt, S.
    Schmidt, T.
    Schneider, D.
    Schukraft, A.
    Schulz, O.
    Schunck, M.
    Seckel, D.
    Semburg, B.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Silvestri, A.
    Slipak, A.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stephens, G.
    Stezelberger, T.
    Stokstad, R. G.
    Stoufer, M. C.
    Stoyanov, S.
    Strahler, E. A.
    Straszheim, T.
    Sulanke, K. -H
    Sullivan, G. W.
    Swillens, Q.
    Taboada, I.
    Tamburro, A.
    Tarasova, O.
    Tepe, A.
    Ter-Antonyan, S.
    Terranova, C.
    Tilav, S.
    Toale, P. A.
    Tooker, J.
    Tosi, D.
    Turcan, D.
    van Eijndhoven, N.
    Vandenbroucke, J.
    Van Overloop, A.
    van Santen, J.
    Voigt, B.
    Walck, C.
    Waldenmaier, T.
    Wallraff, M.
    Walter, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebe, K.
    Wiebusch, C. H.
    Wiedemann, A.
    Wikstrom, G.
    Williams, D. R.
    Wischnewski, R.
    Wissing, H.
    Woschnagg, K.
    Xu, C.
    Xu, X. W.
    Yodh, G.
    Yoshida, S.
    Limits on a muon flux from Kaluza-Klein dark matter annihilations in the Sun from the IceCube 22-string detector2010In: Physical Review D, ISSN 1550-7998, E-ISSN 1550-2368, Vol. 81, no 5, p. Article ID: 057101-Article in journal (Refereed)
    Abstract [en]

    A search for muon neutrinos from Kaluza-Klein dark matter annihilations in the Sun has been performed with the 22-string configuration of the IceCube neutrino detector using data collected in 104.3 days of live time in 2007. No excess over the expected atmospheric background has been observed. Upper limits have been obtained on the annihilation rate of captured lightest Kaluza-Klein particle (LKP) WIMPs in the Sun and converted to limits on the LKP-proton cross sections for LKP masses in the range 250-3000 GeV. These results are the most stringent limits to date on LKP annihilation in the Sun.

  • 46. Abbasi, R.
    et al.
    Abdou, Y.
    Abu-Zayyad, T.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    Andeen, K.
    Auffenberg, J.
    Bai, X.
    Baker, M.
    Barwick, S. W.
    Bay, R.
    Alba, J. L. Bazo
    Beattie, K.
    Beatty, J. J.
    Bechet, S.
    Becker, J. K.
    Becker, K. -H
    Benabderrahmane, M. L.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bissok, M.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Bolmont, J.
    Botner, O.
    Bradley, L.
    Braun, J.
    Breder, D.
    Castermans, T.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cohen, S.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    Day, C. T.
    De Clercq, C.
    Demiroers, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Edwards, W. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegard, O.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Gerhardt, L.
    Gladstone, L.
    Goldschmidt, A.
    Goodman, J. A.
    Gozzini, R.
    Grant, D.
    Griesel, T.
    Gro, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hasegawa, Y.
    Heise, J.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Huelss, J. -P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishihara, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Joseph, J. M.
    Kampert, K. -H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kenny, P.
    Kiryluk, J.
    Kislat, F.
    Klein, S. R.
    Knops, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Kuehn, K.
    Kuwabara, T.
    Labare, M.
    Lafebre, S.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Lennarz, D.
    Lucke, A.
    Lundberg, J.
    Luenemann, J.
    Madsen, J.
    Majumdar, P.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McParland, C. P.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Middell, E.
    Milke, N.
    Miyamoto, H.
    Mohr, A.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Nahnhauer, R.
    Nam, J. W.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    Ono, M.
    Panknin, S.
    Patton, S.
    de los Heros, C. Perez
    Petrovic, J.
    Piegsa, A.
    Pieloth, D.
    Pohl, Arvid
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Porrata, R.
    Potthoff, N.
    Price, P. B.
    Prikockis, M.
    Przybylski, G. T.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Rizzo, A.
    Rodrigues, J. P.
    Roth, P.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Rutledge, D.
    Ryckbosch, D.
    Sander, H. -G
    Sarkar, S.
    Schlenstedt, S.
    Schmidt, T.
    Schneider, D.
    Schukraft, A.
    Schulz, O.
    Schunck, M.
    Seckel, D.
    Semburg, B.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Silvestri, A.
    Slipak, A.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stephens, G.
    Stezelberger, T.
    Stokstad, R. G.
    Stoufer, M. C.
    Stoyanov, S.
    Strahler, E. A.
    Straszheim, T.
    Sulanke, K. -H
    Sullivan, G. W.
    Swillens, Q.
    Taboada, I.
    Tamburro, A.
    Tarasova, O.
    Tepe, A.
    Ter-Antonyan, S.
    Terranova, C.
    Tilav, S.
    Toale, P. A.
    Tooker, J.
    Tosi, D.
    Turcan, D.
    van Eijndhoven, N.
    Vandenbroucke, J.
    Van Overloop, A.
    Voigt, B.
    Walck, C.
    Waldenmaier, T.
    Walter, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebusch, C. H.
    Wiedemann, A.
    Wikstroem, G.
    Williams, D. R.
    Wischnewski, R.
    Wissing, H.
    Woschnagg, K.
    Xu, X. W.
    Yodh, G.
    Yoshida, S.
    Search for muon neutrinos from gamma-ray bursts with the IceCube neutrino telescope2010In: Astrophysical Journal, ISSN 0004-637X, E-ISSN 1538-4357, Vol. 710, no 1, p. 346-359Article in journal (Refereed)
    Abstract [en]

    We present the results of searches for high-energy muon neutrinos from 41 gamma-ray bursts (GRBs) in the northern sky with the IceCube detector in its 22 string configuration active in 2007/2008. The searches cover both the prompt and a possible precursor emission as well as a model-independent, wide time window of -1 hr to + 3 hr around each GRB. In contrast to previous searches with a large GRB population, we do not utilize a standard Waxman-Bahcall GRB flux for the prompt emission but calculate individual neutrino spectra for all 41 GRBs from the burst parameters measured by satellites. For all of the three time windows, the best estimate for the number of signal events is zero. Therefore, we place 90% CL upper limits on the fluence from the prompt phase of 3.7 x 10(-3) erg cm(-2) (72 TeV-6.5 PeV) and on the fluence from the precursor phase of 2.3 x 10(-3) erg cm(-2) (2.2-55 TeV), where the quoted energy ranges contain 90% of the expected signal events in the detector. The 90% CL upper limit for the wide time window is 2.7 x 10(-3) erg cm(-2) (3 TeV-2.8 PeV) assuming an E-2 flux.

  • 47. Abbasi, R.
    et al.
    Abdou, Y.
    Abu-Zayyad, T.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    Andeen, K.
    Auffenberg, J.
    Bai, X.
    Baker, M.
    Barwick, S. W.
    Bay, R.
    Alba, J. L. Bazo
    Beattie, K.
    Beatty, J. J.
    Bechet, S.
    Becker, J. K.
    Becker, K. -H
    Benabderrahmane, M. L.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bissok, M.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Bolmont, J.
    Botner, O.
    Bradley, L.
    Braun, J.
    Breder, D.
    Castermans, T.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cohen, S.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    Day, C. T.
    De Clercq, C.
    Demiroers, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Edwards, W. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegard, O.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Gerhardt, L.
    Gladstone, L.
    Goldschmidt, A.
    Goodman, J. A.
    Gozzini, R.
    Grant, D.
    Griesel, T.
    Gross, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hasegawa, Y.
    Heise, J.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Huelss, J. -P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishihara, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Joseph, J. M.
    Kampert, K. -H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kenny, P.
    Kiryluk, J.
    Kislat, F.
    Klein, S. R.
    Knops, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Kuehn, K.
    Kuwabara, T.
    Labare, M.
    Lafebre, S.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Lennarz, D.
    Lucke, A.
    Lundberg, J.
    Luenemann, J.
    Madsen, J.
    Majumdar, P.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McParland, C. P.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Middell, E.
    Milke, N.
    Miyamoto, H.
    Mohr, A.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Muenich, K.
    Nahnhauer, R.
    Nam, J. W.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    Ono, M.
    Panknin, S.
    Patton, S.
    de los Heros, C. Perez
    Petrovic, J.
    Piegsa, A.
    Pieloth, D.
    Pohl, Arvid
    University of Kalmar, School of Pure and Applied Natural Sciences.
    Porrata, R.
    Potthoff, N.
    Price, P. B.
    Prikockis, M.
    Przybylski, G. T.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Rizzo, A.
    Rodrigues, J. P.
    Roth, P.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Rutledge, D.
    Ryckbosch, D.
    Sander, H. -G
    Sarkar, S.
    Schlenstedt, S.
    Schmidt, T.
    Schneider, D.
    Schukraft, A.
    Schulz, O.
    Schunck, M.
    Seckel, D.
    Semburg, B.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Silvestri, A.
    Slipak, A.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stephens, G.
    Stezelberger, T.
    Stokstad, R. G.
    Stoufer, M. C.
    Stoyanov, S.
    Strahler, E. A.
    Straszheim, T.
    Sulanke, K. -H
    Sullivan, G. W.
    Swillens, Q.
    Taboada, I.
    Tamburro, A.
    Tarasova, O.
    Tepe, A.
    Ter-Antonyan, S.
    Terranova, C.
    Tilav, S.
    Toale, P. A.
    Tosi, D.
    Turcan, D.
    van Eijndhoven, N.
    Vandenbroucke, J.
    Van Overloop, A.
    Voigt, B.
    Walck, C.
    Waldenmaier, T.
    Walter, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebusch, C. H.
    Wiedemann, A.
    Wikstrom, G.
    Williams, D. R.
    Wischnewski, R.
    Wissing, H.
    Woschnagg, K.
    Xu, X. W.
    Yodh, G.
    Yoshida, S.
    SEARCH FOR HIGH-ENERGY MUON NEUTRINOS FROM THE "NAKED-EYE" GRB 080319B WITH THE IceCube NEUTRINO TELESCOPE2009In: Astrophysical Journal, ISSN 0004-637X, E-ISSN 1538-4357, Vol. 701, no 2, p. 1721-1731Article in journal (Refereed)
    Abstract [en]

    We report on a search with the IceCube detector for high-energy muon neutrinos from GRB 080319B, one of the brightest gamma-ray bursts (GRBs) ever observed. The fireball model predicts that a mean of 0.1 events should be detected by IceCube for a bulk Lorentz boost of the jet of 300. In both the direct on-time window of 66 s and an extended window of about 300 s around the GRB, no excess was found above background. The 90% CL upper limit on the number of track-like events from the GRB is 2.7, corresponding to a muon neutrino fluence limit of 9.5 x 10(-3) erg cm(-2) in the energy range between 120 TeV and 2.2 PeV, which contains 90% of the expected events.

  • 48. Abbasi, R.
    et al.
    Abdou, Y.
    Abu-Zayyad, T.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    Andeen, K.
    Auffenberg, J.
    Bai, X.
    Baker, M.
    Barwick, S. W.
    Bay, R.
    Alba, J. L. Bazo
    Beattie, K.
    Beatty, J. J.
    Bechet, S.
    Becker, J. K.
    Becker, K. -H
    Benabderrahmane, M. L.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bissok, M.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Botner, O.
    Bradley, L.
    Braun, J.
    Breder, D.
    Carson, M.
    Castermans, T.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cohen, S.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    Day, C. T.
    De Clercq, C.
    Demirors, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Edwards, W. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegard, O.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Gerhardt, L.
    Gladstone, L.
    Goldschmidt, A.
    Goodman, J. A.
    Gozzini, R.
    Grant, D.
    Griesel, T.
    Gross, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hasegawa, Y.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Homeier, A.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Huelss, J. -P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishihara, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Joseph, J. M.
    Kampert, K. -H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kemming, N.
    Kenny, P.
    Kiryluk, J.
    Kislat, F.
    Klein, S. R.
    Knops, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Koskinen, D. J.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Krings, T.
    Kroll, G.
    Kuehn, K.
    Kuwabara, T.
    Labare, M.
    Lafebre, S.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Lehmann, R.
    Lennarz, D.
    Lundberg, J.
    Luenemann, J.
    Madsen, J.
    Majumdar, P.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McParland, C. P.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Meures, T.
    Middell, E.
    Milke, N.
    Miyamoto, H.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Nahnhauer, R.
    Nam, J. W.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    Ono, M.
    Panknin, S.
    Patton, S.
    Paul, L.
    de los Heros, C. Perez
    Petrovic, J.
    Piegsa, A.
    Pieloth, D.
    Pohl, Arvid
    University of Kalmar, School of Pure and Applied Natural Sciences.
    Porrata, R.
    Potthoff, N.
    Price, P. B.
    Prikockis, M.
    Przybylski, G. T.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Rizzo, A.
    Rodrigues, J. P.
    Roth, P.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Rutledge, D.
    Ruzybayev, B.
    Ryckbosch, D.
    Sander, H. -G
    Sarkar, S.
    Schatto, K.
    Schlenstedt, S.
    Schmidt, T.
    Schneider, D.
    Schukraft, A.
    Schulz, O.
    Schunck, M.
    Seckel, D.
    Semburg, B.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Silvestri, A.
    Slipak, A.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stephens, G.
    Stezelberger, T.
    Stokstad, R. G.
    Stoufer, M. C.
    Stoyanov, S.
    Strahler, E. A.
    Straszheim, T.
    Sullivan, G. W.
    Swillens, Q.
    Taboada, I.
    Tamburro, A.
    Tarasova, O.
    Tepe, A.
    Ter-Antonyan, S.
    Terranova, C.
    Tilav, S.
    Toale, P. A.
    Tooker, J.
    Tosi, D.
    Turcan, D.
    van Eijndhoven, N.
    Vandenbroucke, J.
    Van Overloop, A.
    van Santen, J.
    Voigt, B.
    Walck, C.
    Waldenmaier, T.
    Wallraff, M.
    Walter, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebe, K.
    Wiebusch, C. H.
    Wiedemann, A.
    Wikstrom, G.
    Williams, D. R.
    Wischnewski, R.
    Wissing, H.
    Woschnagg, K.
    Xu, C.
    Xu, X. W.
    Yodh, G.
    Yoshida, S.
    Extending the Search for Neutrino Point Sources with IceCube above the Horizon2009In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 103, no 22, p. Article ID: 221102-Article in journal (Refereed)
    Abstract [en]

    Point source searches with the IceCube neutrino telescope have been restricted to one hemisphere, due to the exclusive selection of upward going events as a way of rejecting the atmospheric muon background. We show that the region above the horizon can be included by suppressing the background through energy-sensitive cuts. This improves the sensitivity above PeV energies, previously not accessible for declinations of more than a few degrees below the horizon due to the absorption of neutrinos in Earth. We present results based on data collected with 22 strings of IceCube, extending its field of view and energy reach for point source searches. No significant excess above the atmospheric background is observed in a sky scan and in tests of source candidates. Upper limits are reported, which for the first time cover point sources in the southern sky up to EeV energies.

  • 49. Abbasi, R.
    et al.
    Abdou, Y.
    Abu-Zayyad, T.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    Andeen, K.
    Auffenberg, J.
    Bai, X.
    Baker, M.
    Barwick, S. W.
    Bay, R.
    Alba, J. L. Bazo
    Beattie, K.
    Beatty, J. J.
    Bechet, S.
    Becker, J. K.
    Becker, K. -H
    Benabderrahmane, M. L.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bissok, M.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Botner, O.
    Bradley, L.
    Braun, J.
    Buitink, S.
    Carson, M.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cohen, S.
    Colnard, C.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    De Clercq, C.
    Demiroers, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegard, O.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Geisler, M.
    Gerhardt, L.
    Gladstone, L.
    Goldschmidt, A.
    Goodman, J. A.
    Grant, D.
    Griesel, T.
    Gross, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hasegawa, Y.
    Haugen, J.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Homeier, A.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Huelss, J. -P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishihara, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Joseph, J. M.
    Kampert, K. -H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kemming, N.
    Kenny, P.
    Kiryluk, J.
    Kislat, F.
    Kitamura, N.
    Klein, S. R.
    Knops, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Koskinen, D. J.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Krings, T.
    Kroll, G.
    Kuehn, K.
    Kuwabara, T.
    Labare, M.
    Lafebre, S.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Laundrie, A.
    Lehmann, R.
    Lennarz, D.
    Luenemann, J.
    Madsen, J.
    Majumdar, P.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    Matusik, M.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Meures, T.
    Middell, E.
    Milke, N.
    Miyamoto, H.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Nahnhauer, R.
    Nam, J. W.
    Naumann, U.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    Ono, M.
    Panknin, S.