Sökning: "information system"

Visar resultat 1 - 5 av 5973 avhandlingar innehållade orden information system.

  1. 1. Information Systems Actability Understanding Information Technology as a Tool for Business Action and Communication

    Detta är en avhandling från Linköping : Linköping University Electronic Press

    Författare :Pär J. Ågerfalk; Linköpings universitet.; Linköpings universitet.; [2003]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; information systems; information systems actability; Internet-based information systems; language action perspective; SOCIAL SCIENCES Statistics; computer and systems science Informatics; computer and systems science Information technology; SAMHÄLLSVETENSKAP Statistik; data- och systemvetenskap Informatik; data- och systemvetenskap Informationsteknologi;

    Sammanfattning : This dissertation is devoted to a perspective from which IT-based information systems are conceived as information technological artefacts intended for business action and communication. The perspective has been made concrete through the concept of information systems actability, which is the main concept under scrutiny. LÄS MER

  2. 2. Information in use Aspects of information quality in workflows

    Detta är en avhandling från Ronneby : Blekinge Institute of Technology

    Författare :Patrik Brandt; Blekinge Tekniska Högskola.; [2007]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Computer Science; Datavetenskap; Digital services; information; workflow; information quality; SOA;

    Sammanfattning : This thesis is founded on the global growth of the service sector and its significance for society as a whole and for the individual human being. In the last decade, technology has changed the way services are created, developed and delivered in remarkable ways. LÄS MER

  3. 3. Expressing emotions through vibration for perception and control

    Detta är en avhandling från Umeå : Umeå universitet, Institutionen för tillämpad fysik och elektronik

    Författare :Shafiq ur Réhman; Umeå universitet.; [2010]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Multimodal Signal Processing; Mobile Communication; Vibrotactile Rendering; Locally Linear Embedding; Object Detection; Human Facial Expression Analysis; Lip Tracking; Object Tracking; HCI; Expectation-Maximization Algorithm; Lipless Tracking; Image Analysis; Visually Impaired.; TECHNOLOGY Information technology Signal processing; TEKNIKVETENSKAP Informationsteknik Signalbehandling; TECHNOLOGY Information technology Image analysis; TEKNIKVETENSKAP Informationsteknik Bildanalys; TECHNOLOGY Information technology Computer science; TEKNIKVETENSKAP Informationsteknik Datavetenskap; TECHNOLOGY Information technology Telecommunication; TEKNIKVETENSKAP Informationsteknik Telekommunikation; TECHNOLOGY Information technology Systems engineering; TEKNIKVETENSKAP Informationsteknik Systemteknik; datoriserad bildanalys; Computerized Image Analysis; Computing Science; administrativ databehandling; Electronics; elektronik; Systems Analysis; systemanalys;

    Sammanfattning : This thesis addresses a challenging problem: “how to let the visually impaired ‘see’ others emotions”. We, human beings, are heavily dependent on facial expressions to express ourselves. A smile shows that the person you are talking to is pleased, amused, relieved etc. LÄS MER

  4. 4. Lock-free Concurrent Search

    Detta är en avhandling från ; Chalmers tekniska högskola; Gothenburg

    Författare :Bapi Chatterjee; [2017]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Wait-free; Help-aware; Non-blocking; Concurrency; Linearizability; Lock-based; Lock-free-kD-tree; Amortized Complexity; Data Structure; Binary Search Tree; Blocking; Search; Concurrent; kD-tree; Linked-list; Lock-free; Range Search; Language-portable; Help-optimal; Nearest Neighbour Search; Linearizable; Synchronization;

    Sammanfattning : The contemporary computers typically consist of multiple computing cores with high compute power. Such computers make excellent concurrent asynchronous shared memory system. LÄS MER

  5. 5. An Information System in its Organisational Contexts : A Systemic Semiotic Longitudinal Case Study

    Detta är en avhandling från Wollongong, Australia : Department of Information Systems, University of Wollongong

    Författare :Rodney Clarke; Karlstads universitet.; [2000]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; information systems; longitudinal case study; organisational contexts; organisational semiotics; semiotics; social semiotics; systemic functional linguistics; systemic semiotics; workpractices; Information Systems; Informatik;

    Sammanfattning : This dissertation develops a new form of Systems Analysis based on Systemic Semiotics. Systemic Semiotics, a combination of Social Semiotics and Systemic Functional Linguistic theories, can be used to provide contextual descriptions linking the operations of information systems to their specific situational and organisational contexts. LÄS MER