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  • 1.
    Abdullahi, Abdille
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Component-based Software development2008Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Component-based Software development is a promising way to improve quality, time to market and handle the increasing complexity of software management. However, The component-based development is still a process with many problems, it is not well de_ned either from theoretical or practical point of view. This thesis gives a brief overview of Component-Based Software development and starts with brief historical evolution followed by a general explanation of the method. A detailed discussion of the underlying principles like components, component framework and compent system architecture are then presented. Some real world component stadards such as .net framework, CORBA CCM and EJB are given in detail. Finally, simple fille-sharing-program based on Apache's Avalon framework and another one based on .net framework are developed as a case study.

  • 2.
    Abrahamsson, Agneta
    Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
    Gesällbrevet hänger på håret: Sex gymnasieelevers uppfattningar om gesällbrevet på frisörprogrammet2009Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The purpose with this lucubration is to investigate hairstylist student’s apprehension about the apprentice diploma. The apprentice diploma is an occupation verification indicating on the hairstylist’s knowledge and competence, and it is the only verification in the business that you can use in order to measure the students knowledge. Three students out of thirty, in year 2009, chose to graduate with an apprentice diploma. Based on these figures I am to investigate six graduating students opinion using qualitative interviews. Another quest is to inform and gain interest about the apprentice diploma.  The result demonstrate what earlier research already shows, amongst other things, that the students no longer have the practical knowledge needed in order to come to a worksite and therefore find it difficult to work as an apprentice. The business expects the students to be self-driven and dissatisfaction from the school and the business increases. Is the occupation as a hairstylist about to loose its profession or are you allowed to call yourself a professional without a proper diploma?

     

  • 3.
    Abrahamsson, Claes
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Videokompression och användarnytta2007Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Digital video är ett område som expanderat kraftigt senaste åren. På grund av avancerade videokompressionsmetoder kan numera en hel långfilm rymmas på mobiltelefonen eller den handhållna videospelaren. Men hur fungerar videokompression och hur hårt kan man komprimera en viss filmsekvens med bibehållen användarnytta? I denna uppsats görs en genomgång för grunderna inom videokompression. Dess förhållande till användarnyttan undersöks genom ett experiment. I detta experiment testas tre videosekvenser komprimerade med tre olika kodekar i tre olika datahastigheter för tre olika experimentgrupper. Slutsatsen av

    denna studie är att det är svårt att hitta en exakt brytpunkt där användaren finner videokvaliteten oacceptabel. Dock kan det konstateras att den högsta datahastigheten(256 kbit/s) genererar hög användarnytta medan den lägsta datahastigheten genererar låg användarnytta. Mellanhastigheten 128 kbit/s får knappt godkänt av testpersonerna.

  • 4. Accardi, L.
    et al.
    Khrennikov, Andrei
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Ohya, M.
    The problem of quantum-like representation in economy, cognitive science, and genetics2009In: Quantum Bio-Informatics II: from Quantum Information toBio-Informatics, Singapore: WSP , 2009, p. 1-8Chapter in book (Refereed)
  • 5. Accardi, Luigi
    et al.
    Khrennikov, Andrei
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Ohya, Masanori
    Quantum Markov Model for Data from Shafir-Tversky Experiments in Cognitive Psychology2009In: Open systems & information dynamics, ISSN 1230-1612, E-ISSN 1573-1324, Vol. 16, no 4, p. 371-385Article in journal (Refereed)
    Abstract [en]

    We analyze, from the point of view of quantum probability, statistical data from two interesting experiments, done by Shafir and Tversky [1, 2] in the domain of cognitive psychology. These are gambling experiments of Prisoner Dilemma type. They have important consequences for economics, especially for the justification of the Savage "Sure Thing Principle" [3] (implying that agents of the market behave rationally). Data from these experiments were astonishing, both from the viewpoint of cognitive psychology and economics and probability theory. Players behaved irrationally. Moreover, all attempts to generate these data by using classical Markov model were unsuccessful. In this note we show (by inventing a simple statistical test — generalized detailed balance condition) that these data are non-Kolmogorovian. We also show that it is neither quantum (i.e., it cannot be described by Dirac-von Neumann model). We proceed towards a quantum Markov model for these data.

  • 6.
    Ackerot, Magnus
    et al.
    Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
    Rask, Joakim
    Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
    Varför bli yrkeslärare?: Vilka uppfattningar har yrkeslärare om den motivation, som behövs för att studera till yrkeslärare?2009Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Denna undersökning är att med bakgrund av att yrkeslärare inom gymnasieskolan beskrivs som en bristvara, och med tanke på det framtida behovet då bristen på yrkeslärare kommer att öka. Det vi vill belysa är vad som är motivationen och drivkraften för den enskilde individen i att bli yrkeslärare och även vilka drivkrafter som kan få obehöriga lärare att vilja bli behörig. Studien genomfördes med en kvalitativ ansats. Ett klusterurval gjordes var efter intervjuer genomfördes. Empiriska undersökningen gick ut på att med en halvstrukturerad intervjuguide intervjua ett antal olika personer. I dataanalysen användes Burnards (1991) 5 steg i den så kallade innehållsanalysen, vilket skapade olika teman. Resultatet efter vår undersökning, att den motivation och de drivkrafter som behövs för bli yrkeslärare eller att börja studera för att bli behörig yrkeslärare, är att man skall försöka lyfta fram de positiva sidorna med yrket och det givande mötet med ungdomarna i samhällsdebatten och media. Det är ett fantastiskt trevligt jobb. Att lönen och statusen kan bli bättre samt att det bör vara lättare för den som har goda yrkeskunskaper att komma in på en yrkeslärarutbildning. Oavsett längd på utbildningen så behövs det ett batteri av hjälp och stöd för att man skall klara av utbildningen samtidigt som man kanske både har familj och arbete.

     

  • 7.
    Adenier, Guillaume
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Local Realist Approach and Numerical Simulations of Nonclassical Experiments in Quantum Mechanics2008Doctoral thesis, monograph (Other academic)
    Abstract [en]

    Local Realist Approach and Numerical Simulations of Nonclassical Experiments in Quantum Mechanics was constructed.

  • 8.
    ADENIER, Guillaume
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Probabilistic Analysis of the EPR-Bohm Experiment2007Licentiate thesis, monograph (Other academic)
    Abstract [en]

    Bell's Theorem was developed on the basis of considerations

    involving a linear combination of spin correlation functions, each

    of which has a distinct pair of arguments. The simultaneous

    presence of these different pairs of arguments in the same

    equation is investigated, and the implicit counterfactual

    assumption in Bell's theorem is discussed.

    We show how an explicit contextuality can arise from a model

    displaying unfair sampling, and we discuss it in the

    framework of David Mermin's cleverly simple version of Bell's

    theore, which pinpoints in a very straightforward way how

    interpreting entanglement from a realistic point of view can be

    problematic. We present an extended version of Mermin's device

    that can actually be given a straightforward realistic

    interpretation.

    We stress that the low efficiency of detectors in all experiments

    with photons makes the use of the fair sampling assumption

    unavoidable. Since this very assumption is false in all existing

    local realistic models based on inefficient detection, we thus

    question its validity. We show that it is no more reasonable to

    assume fair sampling than it is impossible to test, and we

    actually propose an experimental test which would provides clear

    cut results in case of unfair sampling

    We then analyze optical EPR experimental data performed by Weihs et al in Innsbruck 1997-1998. We show that for some linear

    combinations of the raw coincidence rates, the experimental

    results display some anomalous behavior that a more general source state (like non-maximally entangled state) cannot

    straightforwardly account for. We use the fair sampling

    assumption, and assume explicitly that the detection efficiencies

    for the pairs of entangled photons can be written as a product of

    the two corresponding detection efficiencies for the single

    photons. We show that this explicit use of fair sampling cannot be

    maintained to be a reasonable assumption as it leads to an

    apparent violation of the no-signalling principle.

  • 9.
    Adenier, Guillaume
    et al.
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Khrennikov, Andrei
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Fair sampling and rotational invariance in EPR experiments2007In: The Nature of Light: What Are Photons?, 2007Conference paper (Other academic)
    Abstract [en]

    We have previously shown that the use of the fair sampling assumption in EPR experiments could be questioned on the basis of experimental data. We continue our analysis of the data from the optical EPR experimental performed by Weihs et al. in Innsbruck 1997-1998, and we discuss whether a non-rotationally invariant source can account for the experimental results.

  • 10.
    Adenier, Guillaume
    et al.
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Khrennikov, Andrei
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Fair Sampling vs No-Signalling Principle in EPR experiments2007In: Beyond the Quantum, World Scientific Publishing, Singapore , 2007, p. 181-187Conference paper (Other (popular science, discussion, etc.))
    Abstract [en]

    We present some recent results of a new statistical analysis of the optical EPR experiment performed by Weihs et al in Innsbruck 1997-1998. Under the commonly used assumption of fair sampling, we show that the coincidence counts exhibit a small and anomalous non-signalling component, which seems impossible to explain by using the conventional quantum mechanics, and we discuss some possible interpretations of this phenomenon.

  • 11.
    Adenier, Guillaume
    et al.
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Khrennikov, AndreiVäxjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Foundations of probability and Physics - 42007Conference proceedings (editor) (Refereed)
  • 12.
    Adenier, Guillaume
    et al.
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering. Mathematics.
    Khrennikov, Andrei
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering. Mathematics.
    Is the fair sampling assumption supported by EPR experiments?2007In: Journal of Physics B: At. Mol. Opt. Phys., ISSN 0953-4075, Vol. 40, no 1, p. 131-141Article in journal (Refereed)
    Abstract [en]

    We analyse optical EPR experimental data performed by Weihs et al in Innsbruck 1997–1998. We show that for some linear combinations of the raw coincidence rates, the experimental results display some anomalous behaviour that a more general source state (like non-maximally entangled state) cannot straightforwardly account for. We attempt to explain these anomalies by taking account of the relative efficiencies of the four channels. For this purpose, we use the fair sampling assumption, and assume explicitly that the detection efficiencies for the pairs of entangled photons can be written as a product of the two corresponding detection efficiencies for the single photons. We show that this explicit use of fair sampling cannot be maintained to be a reasonable assumption as it leads to an apparent violation of the no-signalling principle.

  • 13.
    Afshari, Mazdak
    et al.
    Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
    Östberg, Lina
    Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
    Helautomatisk växling av svetspistoler med en industrirobot2008Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The paper describes a final thesis carried out on assignment of Motoman Robotics Europe AB in Torsås, Sweden. The assignment was to find a solution for a fully automated switching of welding-guns with a Motoman HP-20 industrial robot. The project has formerly been a development-work with focus on a functioning practical solution. The work has proceeded in close cooperation and guidance from constructors at the company as well as support from our teacher. The result has given us a compact and ecstatically pleasing construction that fulfils the demands that the commissioner has ordered.

  • 14.
    Aghaee, Saeed
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Random Stream Cipher2007Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Stream ciphers are counted as an important part of symmetric encryption method. Their basic idea comes from One-Time-Pad cipher using XOR operator on the plain text and the key to generate the cipher. The present work brings a new idea in symmetric encryption method, which inherits stream key generation idea from synchronous stream cipher and uses division instead of xoring. The Usage of division to combine the plain text with stream key gives numerous abilities to this method that the most important one is using random factors to produce the ciphers.

  • 15.
    Ahlgren, Hannes
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Graph visualization with OpenGL2005Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Vizz3D is a 3D graphics code analysis tool, developed at Växjö University that optionally can use Java3D or OpenGL. However, initially Java3D was the only programming interface used. No other version was considered. Therefore the applications structure was built with the Java3D way of thought in mind. But code visualization with 3D graphics can be a demanding task for the computers processor and its graphics hardware and Java3D is known to be somewhat inefficient. So an OpenGL version was introduced.

    This thesis reflects on the work restructuring the application’s code to fit both versions within Vizz3D in a structured and object-oriented way. The thesis shows the efforts to be taken to make an existing ever evolving tool easily extendible to other API’s. Additional aspects of OpenGL specific implementations are discussed throughout the thesis.

  • 16. Ahlgren, Per
    et al.
    Grönqvist, Leif
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Evaluation of retrieval effectiveness with incomplete relevance data: theoretical and experimental comparison of three measures2007In: International Journal of Information Processing & Management, Vol. In press, p. 14-Article in journal (Refereed)
    Abstract [en]

    The main reason for this work is to find an appropriate way to include multi-word units in a latent semantic vector model. This would be of great use since these models normally are defined in terms of words, which makes it impossible to search for many types of multi-word units when the model is used in information retrieval tasks. The paper presents a Swedish evaluation set based on synonym tests and an evaluation of vector models trained with different corpora and parameter settings, including a rather naive way to add bi- and trigrams to the models. The best results in the evaluation is actually obtained with both bi- and trigrams added. Our hope is that the results in a forthcoming evaluation in the document retrieval context, which is an important application for these models, still will be at least as good with the bi- and trigrams are added, as without.

  • 17. Ahlgren, Per
    et al.
    Grönqvist, Leif
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Measuring retrieval effectiveness with incomplete relevance data2006In: Current Research in Information Sciences and Technologies: Multidisciplinary approaches to global information systems (InSciT2006 proceedings), Open Institute of Knowledge , 2006, p. 74-78Conference paper (Refereed)
  • 18. Ahlgren, Per
    et al.
    Grönqvist, Leif
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Retrieval evaluation with incomplete relevance data: A comparative study of three measures (poster abstract)2006In: Proceedings of the 15th ACM International Conference on Information and Knowledge Management (CIKM), ACM Press, New York, NY, USA , 2006, p. 872-873Conference paper (Refereed)
  • 19.
    Ahlqvist, Susanne
    et al.
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Johansson, Maria
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Matematik från grunden: sortering och klassificering med de yngsta barnen i förskolan2009Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Syftet med examensarbetet är att med hjälp av enkätintervjuer och observationer få mer kunskap om hur man arbetar med sortering och klassificering med de yngsta barnen i förskolan. Vi har intervjuat arbetslag som nyligen fått kompetensutveckling i matematik. I vår bakgrund har vi utifrån ett teoretiskt perspektiv förklarat sortering och klassificering, pedagogens roll samt den pedagogiska miljön samt hur dessa faktorer kan påverka barns matematiska förmåga.  Resultatet visar att det förekommer mycket sortering och klassificering i verksamheten på förskolor i vardagsmatematiken. Pedagogerna i undersökningen menar att de vill ha mer kunskap om matematiska begrepp för att på ett bättre sätt ge barnen kunskap i matematik. Undersökningen visar hur betydelsefull pedagogen är och denna roll är inte alltid pedagogerna ute i verksamheten medvetna om.

  • 20.
    Ahmad, Khurram
    et al.
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Azeem, Muhammad
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Gold Standard Website2009Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

     

    The aim of this thesis is to design a web base system which provides functionality of comparison between two java files on the basis of point-to information (P2I). User will upload Java files and analysis of Java files called point-to analysis (P2A). System will store the files in the file system for reference and download in later time. System will extract the information called P2I from P2A and it will store that information in the database.

    Database should be flexible to accommodate the changes in P2A file and system should be able to extract the P2I and store it in database with minimum support of system administrator.

     

  • 21.
    Aidemark, Jan
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    A flexibility approach to planning an Intranet in support of knowledge work2004In: 15TH INTERNATIONAL WORKSHOP ON DATABASE AND EXPERT SYSTEMS APPLICATIONS, PROCEEDINGS / [ed] Tjoa, A. M. & Wagner, R.R ., IEEE Computer Society , 2004, p. 466-470Conference paper (Refereed)
  • 22.
    Aidemark, Jan
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    A knowledge perspective on e-democracy2003In: / [ed] Traunmüller, R, Berlin Heidelberg NewYork: Springer , 2003, Vol. 2739, p. 319-324Conference paper (Refereed)
  • 23.
    Aidemark, Jan
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Cognitive, social and critical perspectives on planning a knowledge support portfolio2003In: 14TH INTERNATIONAL WORKSHOP ON DATABASE AND EXPERT SYSTEMS APPLICATIONS, PROCEEDINGS / [ed] Tjoa, A. M. and Wagner, R. R., IEEE Computer Society , 2003, p. 801-805Conference paper (Refereed)
  • 24.
    Aidemark, Jan
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Investigating Concepts for an Interconnected Socio/Technical KM Planning Approach2009In: Proceedings of the 10th European conference on Knowledge Management: ECKM 2009 - Università Degli Studi Di Padoava, Vicenza, Italy, 3-4 September 2009 / [ed] . Bolisani, E. and Scarso, E., Reading, England: Academic Publising Ltd , 2009, p. 1-9Conference paper (Refereed)
  • 25.
    Aidemark, Jan
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    IS Planning and Socio-technical Theory Perspectives2007In: Proceedings of European and Mediterranean Conference on Information Systems, Valencia, Spain, June 2007 / [ed] Adam, M.R., Ladron de Guevara, F.G., Gomez, H.G., Martinez, J.M.T., Rodriguez, G.I.M., Neto, J.M., The Information Institute , 2007Conference paper (Refereed)
  • 26.
    Aidemark, Jan
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering. Informatik.
    Knowledge management paradoxes2008In: Proceedings of the 9th european conference on knowledge management: Southampton Solent University, UK 4-5 September, 2008, Academic Publising Limited , 2008, p. 10 (938)-Conference paper (Refereed)
    Abstract [en]

    Knowledge management, as an academic area, is maturing; however, there are still problems connected with both the diversity of the theoretical base and the gap between theory and its practical application. In this paper we tackle these problems by reviewing a number of basic knowledge management theories with the intention of formulating a more integrated and at the same time practical planning framework. The focus guiding the literature selection is on basic theories about the nature of knowledge management, theories that expose the complex nature of knowledge in organizations. We examine these theories and try to understand what could be perceived as the paradoxical nature of these theories. Here we understand a paradox as something seemingly self-contradictory though perhaps actually well-founded statement. We focus on four areas or themes: 1) knowledge as the key resource of a business, 2) knowledge as a competitive force and source of growth, 3) the nature of the management of a knowledge resource, and 4) the management of knowledge workers. From a practical point of view, the conflicting arguments of these theories can be seen as possible strategic options. Based on these discussions we then formulate a framework, or what might be called a strategic option generator. As a concluding discussion we focus on the contribution of IS/IT to the realization of the different possible strategic options. This is done on a rather general level, where we examine the possibilities of IS/IT in relation to the paradoxes.

  • 27.
    Aidemark, Jan
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Knowledge Management Paradoxes2009In: Electronic Journal of Knowledge Management, ISSN 1479-4411, E-ISSN 1479-4411, Vol. 7, no 1, p. 1-10Article in journal (Refereed)
    Abstract [en]

    Knowledge management, as an academic area, is maturing; however, there are still problems connected with both the diversity of the theoretical base and the gap between theory and its practical application. In this paper we tackle these problems by reviewing a number of basic knowledge management theories with the intention of formulating a more integrated and at the same time practical planning framework. The focus guiding the literature selection is on basic theories about the nature of knowledge management, theories that expose the complex nature of knowledge in organizations. We examine these theories and try to understand what could be perceived as the paradoxical nature of these theories. Here we understand a paradox as something seemingly self-contradictory though perhaps actually well-founded statement. We focus on four areas or themes: 1) knowledge as the key resource of a business, 2) knowledge as a competitive force and source of growth, 3) the nature of the management of a knowledge resource, and 4) the management of knowledge workers. From a practical point of view, the conflicting arguments of these theories can be seen as possible strategic options. Based on these discussions we then formulate a framework, or what might be called a strategic option generator. As a concluding discussion we focus on the contribution of IS/IT to the realization of the different possible strategic options. This is done on a rather general level, where we examine the possibilities of IS/IT in relation to the paradoxes.

  • 28.
    Aidemark, Jan
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering. Informatik.
    Perspectives on the support of knowledge work2006In: Knowledge in organisations I: Development and Design, Systems and Applications, Foundations and Methodolgies, Skövde University , Skövde, Printed at Studentlitteratur, Lund Sweden , 2006, p. 218-Chapter in book (Other academic)
    Abstract [en]

    This report discusses information systems as support systems for knowledge workers. A case is presented discussing the introduction of two types of information systems into an organisation as support for knowledge workers. The case is interpreted using a set of theories from knowledge theory and the area of knowledge management. The aim of this report is to give empirical input to the understanding of the conditions of knowledge work and information systems. An interpretative framework is presented consisting of a set of perspectives on knowledge work and the use of information systems.

  • 29.
    Aidemark, Jan
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Planning knowledge management systems in a networked world2009In: Proceedings of the 6th International Conference on Knowledge Management: ICKM - Managing Knowledge for Global and Collaborative Innovations, 3-4 December, Hong Kong, China, 2009 / [ed] Samuel K. W. Chu, Hong Kong: Hong Kong University , 2009Conference paper (Refereed)
  • 30.
    Aidemark, Jan
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering. datavetenskap.
    Strategic Planning of Knowledge management systems: A problem exploration approach2007Doctoral thesis, monograph (Other academic)
  • 31.
    Aidemark, Jan
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    The management of knowledge in complex decision making environments2002In: Proceedings of the First International Conference on Information and Management Sciences / [ed] Song, K., Zhao, X and Liu, B, California Polytechnic State University , 2002, Vol. 1, p. 417-425Conference paper (Refereed)
  • 32.
    Aidemark, Jan
    et al.
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Askenäs, Linda
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Knowledge management and patient centered approach in health care2009In: Proceedings of IADIS International Conference on E-Health 2009 / [ed] Mário Macedo, IADIS Press , 2009Conference paper (Refereed)
  • 33.
    Aidemark, Jan
    et al.
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Carlsson, SvenLund University.Cronqvist, BjörnKristianstad University.
    Proceedings of the 8:th International Conference on Perspectives inBusiness Informatics Research: BIR 2009 - Kristianstad, Sweden, 1-2 October 20092009Conference proceedings (editor) (Other academic)
  • 34.
    Aidemark, Jan
    et al.
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Eberhagen, Niclas
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Sterner, Håkan
    Växjö University, Faculty of Humanities and Social Sciences, School of Humanities.
    An Evaluation of a KM Diagnostic Instrument2007In: Proceedings of the 6th International Conference on Perspectives in Business Information Research - BIR'2007 / [ed] Nummenmaa, J., & Söderström, E., Tampere, Finland: Department of Computer Sciences, University of Tampere , 2007, p. 7-21Conference paper (Refereed)
    Abstract [en]

    Knowledge management is today an established approach to improve and renew organizations. The right use of information systems are often essential element in a successful KM strategy, however creating the right mix of KM activities and system is difficult and failures are frequent. Getting a good grip of the current situation and the special condition of the organization is therefore essential. In this paper we study an initiating questionnaire, taken from the KM literature, with a background in US management consulting industry. The aim of the paper is to evaluate the questionnaire, from a Swedish perspective. This is done with the aim to search for more general advice for anyone wanting to adapt and use such a questionnaire in their own situation. For this purpose, a number of applications of the questionnaire is presented and investigated. The outcome of the study is an initial assessment of the usefulness of the questionnaire and some recommendations for further use and research into the questionnaire. The usefulness seems to depend on the situation of persons that the questionnaire is given to. The analysis shows that the questionnaire seems to fit rather well to companies that were included in the study, especially on a management level. However, some possible problem areas were also discovered, the background, motivation and work situation of some personnel group could interfere with the effectiveness of the questionnaire.

  • 35.
    Akermark, Adam
    et al.
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Svensson, Martin
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Piratkopiering - en oändlig historia?2006Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Abstract (English)

    Background: Illegal copying increases rapidly. Software-, game- and music industry are experiencing troubled times at the moment. Today, a practically ignorant person would have no problems to get hold of a newly published record before it reaches the stores because of the

    illegal copying. This problem is made possible due to that no good solution exists. Copy protection isn’t good enough and peer-to-peer-networks are bigger than ever. In this work we will examine specifically the music industry.

    Purpose: We will specialize in the term of illegal copying. Further we want to enlight and inform the music industry as well as the users of the problem and it´s future. We hope the result we will achieve can be a foundation for further research.

    Realization: We have gathered our information from articles on the Internet and also from updated literature. Interviews were made over the phone with Magnus Mårtensson, IFPI (International Federation of the Phonographic Industry), Anna Burén, lawyer of copyright at

    Swedish Radio, Per Sandin, General manager EMI marketing and also a lot of Internetsuppliers. We have also compilated an inquiry which has been replied to by many people.

    Conclusion: Many of the buyers from the past consider the cost of a CD far too high. Instead they have discovered the illegal copying and its unlimited functions. They have also realized how easy you can get new music without reprisals, which mostly depends on the vague and

    not to scary laws. Music companies are losing money and therefore they raise the prize of a single CD, simultaneously as they work to find the perfect copy protection. The future looks uncertain and for the moment, those who are copying along with peer-to-peer-networks have

    all the trumps.

    Keywords: mp3, CD, copy-protection, peer-to-peer-networks, copyright, illegal copying, music companies.

  • 36.
    Akhtar, Naeem
    et al.
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Alzghoul, Ahmad
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Time performance comparison in determining the weak parts in wooden logs2009Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The steadily increasing demand of wood forces sawmills to increase the efficiency and effectiveness of their equipments. The weak parts and the twist in wooden logs have been documented as the most common and crucial defect in sawn lumber.

    In this thesis we are going to implement a program which is able to determine the weak parts in wooden logs. The implementation will be in two languages C++ and Matlab. Parts of the program are going to be implemented sometimes by C++ and sometimes by Matlab therefore different designs are going to be tested. The aim of this thesis is to check whether these designs will meet the real time bound of 10 m/s.

    The result shows that there is a huge difference in time performance for the different designs. Therefore, different discretization levels were used in order to meet the deadline of 10m/s. We found that in order to get better speed one should calculate the matrix for the function F and the Jacobian function J by using C++ not by Matlab. Also we found that when we called functions from one language to another an extra time is added.

  • 37.
    Akkasli, Cem
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Methods for Path loss Prediction2009Independent thesis Advanced level (degree of Master (Two Years)), 80 credits / 120 HE creditsStudent thesis
    Abstract [en]

    Large scale path loss modeling plays a fundamental role in designing both fixed and mobile radio systems. Predicting the radio coverage area of a system is not done in a standard manner. Wireless systems are expensive systems. Therefore, before setting up a system one has to choose a proper method depending on the channel environment, frequency band and the desired radio coverage range. Path loss prediction plays a crucial role in link budget analysis and in the cell coverage prediction of mobile radio systems. Especially in urban areas, increasing numbers of subscribers brings forth the need for more base stations and channels. To obtain high efficiency from the frequency reuse concept in modern cellular systems one has to eliminate the interference at the cell boundaries. Determining the cell size properly is done by using an accurate path loss prediction method. Starting from the radio propagation phenomena and basic path loss models this thesis aims at describing various accurate path loss prediction methods used both in rural and urban environments. The Walfisch-Bertoni and Hata models, which are both used for UHF propagation in urban areas, were chosen for a detailed comparison. The comparison shows that the Walfisch-Bertoni model, which involves more parameters, agrees with the Hata model for the overall path loss.

  • 38.
    Al Jaafar, Jaafar
    Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
    Projektering av platsbyggd villa2008Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Abstract (in English)

    "This thesis work is a design project of an on-site construcktions. The issue addressed by the project was how to

    devise and design an detached house

    I have examined which architecture-drawings, construcktion-drawings and static calculations are needed to

    produce an on-site construcktions detached house.

    The result is presented in the finished drawings for the construction documents, which show a one-storey

    detached house with an attractive/accessible construction plan. It uses the combination of a strong style of

    architecture and a clear influence of functional design. This is clarified by the bench ceilings, and the facade,

    which is partly laying panel, partly white trimmed.

    Size: 153 square meters

    Number of rooms: 6, where of 3 are bedrooms."

  • 39.
    Al Jaafar, Jaafar
    Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
    Projektering av platsbyggd villa2008Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Abstract (in English)

    "This thesis work is a design project of an on-site construcktions. The issue addressed by the project was how to

    devise and design an detached house

    I have examined which architecture-drawings, construcktion-drawings and static calculations are needed to

    produce an on-site construcktions detached house.

    The result is presented in the finished drawings for the construction documents, which show a one-storey

    detached house with an attractive/accessible construction plan. It uses the combination of a strong style of

    architecture and a clear influence of functional design. This is clarified by the bench ceilings, and the facade,

    which is partly laying panel, partly white trimmed.

    Size: 153 square meters

    Number of rooms: 6, where of 3 are bedrooms."

  • 40.
    Al-Ansari, Nabil
    et al.
    Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
    Te Seng, Meng
    Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
    Studentbostäder i trä med Prefab-teknik2009Independent thesis Basic level (degree of Bachelor), 80 credits / 120 HE creditsStudent thesis
    Abstract [en]

    The Results of this thesis was the creation of two designed house variants with a module to

    all the apartments. In addition till the first module there are three other modules of

    apartments that can be put in the houses if it so needs. The house are volume prefabricated

    and are placed on site in a way that it create an enclosure of the area which faces against the

    nature and car parks also lies hidden behind these houses.

    For the actual structure, a cross beam was created to carry the floor above and it is support

    by all four walls. The structure between the first and the second floor has no "syll" but

    instead there are two differently alternative to linking the floors in order so that it will not

    move. The reason with this solution was that there will not be any subsidence when the

    forces from above are pressed down ward. The forces are instead directly down to the next

    timber frame system. This can happen when the real estate's owner might want to build

    more floors on the house than the present two floors house when there is no land to build

    and spaces are needed in the future.

  • 41. Albertazz, S.
    et al.
    Basile, F.
    Brandin, Jan
    Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
    Einvall, Jessica
    Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
    Fornasar, G.
    Hulteberg, C.
    Sanati, M.
    Trifir, F.
    Vaccari, A.
    Pt/Rh/MgAl(O) Catalyst for the Upgrading of Biomass-Generated synthesis gases.2009In: Energy & Fuels, ISSN 0887-0624, E-ISSN 1520-5029, Vol. 23, no 1, p. 573-579Article in journal (Refereed)
  • 42.
    Albertson, Philip
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    WBD – Web Based Diagnostics: Identifierande av parametrar på CAN-bussen2007Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This abstract describes the bachelor degree thesis in computer technology at Växjö University written by Philip Albertson during the spring term of 2007. At the company BSR in Växjö, Sweden there is a new project under development called WBD – Web based diagnostics. The aim of the project is to make car diagnostics available to ordinary people at a decent cost. The system consists of three parts; a module to plug in the car, a server to handle the information and a client to allow the customers to reach the information about their car. My part in this project was to specify how to reach certain parameters on the CAN-bus in cars from VAG (Volkswagen Auto Group) and Saab. The company was satisfied with the results since they provided a good basis to further develop the module prototype built by the company EDAB (Elektronik Design AB) in Sundsvall, Sweden.

  • 43. Albeverio, S.
    et al.
    Cianci, R.
    Khrennikov, Andrei
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Operator calculus for p-adic valued symbols and quantization2009In: Rendicoti Del Seminario Matematico, ISSN 0373-1243, Vol. 67, no 2, p. 137-150Article in journal (Refereed)
    Abstract [en]

    The aim of this short review is to attract the attention of the pseudo-differentialcommunity to possibilities in the development of operator calculus for symbols (dependingon p-adic conjugate variables) taking values in fields of p-adic numbers. Essentials of thiscalculus were presented in works of the authors of this paper in order to perform p-adic valuedquantization. Unfortunately, this calculus still has not attracted a great deal of attentionfrom pure mathematicians, although it opens new and interesting domains for the theory ofpseudo-differential operators.

  • 44. Albeverio, S
    et al.
    Khrennikov, Andrei
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Shelkovich, M
    Nonlinear singular problems of $p$-adic analysis: associative algebras of $p$-adic distributions2005In: Izvestiya. Mathematics, ISSN 1064-5632, E-ISSN 1468-4810, Vol. 69, no 2, p. 221-263Article in journal (Refereed)
  • 45. Albeverio, S
    et al.
    Khrennikov, Andrei
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Shelkovich, V.M.
    p-adic Colombeau-Egorov type theory of generalized functions2005In: Mathematische Nachrichten, ISSN 0025-584X, E-ISSN 1522-2616, Vol. 278, no 1-2, p. 3-16Article in journal (Refereed)
  • 46. Albeverio, Sergio
    et al.
    Cianci, Roberto
    Khrennikov, Andrei
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    p-Adic valued quantization2009In: P-Adic Numbers, Ultrametric Analysis, and Applications, ISSN 2070-0466, E-ISSN 2070-0474, Vol. 1, no 2, p. 91-104Article, review/survey (Refereed)
    Abstract [en]

    This review covers an important domain of p-adic mathematical physics — quantum mechanics with p-adic valued wave functions. We start with basic mathematical constructions of this quantum model: Hilbert spaces over quadratic extensions of the field of p-adic numbers ℚ p , operators — symmetric, unitary, isometric, one-parameter groups of unitary isometric operators, the p-adic version of Schrödinger’s quantization, representation of canonical commutation relations in Heisenberg andWeyl forms, spectral properties of the operator of p-adic coordinate.We also present postulates of p-adic valued quantization. Here observables as well as probabilities take values in ℚ p . A physical interpretation of p-adic quantities is provided through approximation by rational numbers.

  • 47. Albeverio, Sergio
    et al.
    Gundlach, Mathias
    Khrennikov, Andrei
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Lindahl, Karl-Olof
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    On the Markovian Behavior of p-Adic Random Dynamical Systems2001In: Russ. J. Math. Phys., Vol. 8, no 2, p. 135-152Article in journal (Refereed)
  • 48. Albeverio, Sergio
    et al.
    Hilbert, Astrid
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Kolokoltsov, Vassili
    Warwick University, Department of Statistics.
    Estimates uniform in time for the transition probability ofdiusions with small drift and for stochastically perturbed Newton equations1999In: Journal of theoretical probability, ISSN 0894-9840, E-ISSN 1572-9230, Vol. 12, no 2, p. 293-300Article in journal (Refereed)
    Abstract [en]

    An estimate uniform in time for the transition probability of di®usion processes with small drift is given. This also covers the case of a degenerate di®usion describing a stochastic perturbation of a particle moving according to the Newton's law. Moreover the random wave operator for such a particle is described and the analogue of asymptotic completeness is proven, the latter in the case of a su±ciently small drift.

  • 49.
    Albeverio, Sergio
    et al.
    Universityof Bonn, Germany.
    Hilbert, Astrid
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Kolokoltsov, Vassily
    University of Warwick, UK.
    Asymptotic Expansions for the Heat Kernel and the Trace of a Stochastic Geodesic Flow2009Manuscript (preprint) (Other academic)
  • 50. Albeverio, Sergio
    et al.
    Hilbert, Astrid
    Växjö University, Faculty of Mathematics/Science/Technology, School of Mathematics and Systems Engineering.
    Kolokoltsov, Vassily
    Transcience of stochastically perturbed classical Hamiltonian systems and random wave operators1997In: Stochastics and Stochastics Reports, ISSN 1045-1129, E-ISSN 1029-0346, no 1-2, p. 41-55Article in journal (Refereed)
1234567 1 - 50 of 2168
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