Search for dissertations about: "transaction data"

Showing result 1 - 5 of 84 swedish dissertations containing the words transaction data.

  2. 1. Everyday mining : Exploring sequences in event-based data

    Author : Katerina Vrotsou; Matthew Cooper; Anders Ynnerman; Kajsa Ellegård; Andrew S. Harvey; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Event-based data; activity diary data; event-sequences; interactive exploration; sequence identification; visual data mining; Computer science; Datavetenskap;

    Abstract : Event-based data are encountered daily in many disciplines and are used for various purposes. They are collections of ordered sequences of events where each event has a start time and a duration. READ MORE

  4. 2. Information Technology Outsourcing in Large Companies in Sweden : A Perspective on Risks, Relationships and Success Factors

    Author : Georg Hodosi; Lazar Rusu; Björn Johansson; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; IT outsourcing; risk factors; important factors; ITO relationships; success factors; transaction cost theory; IT outsourcing decision makers; design science research; survey research; large companies; private companies; Computer and Systems Sciences; data- och systemvetenskap;

    Abstract : This thesis investigates large private companies in Sweden that have outsourced their information technology (IT). A considerable proportion of IT outsourcing (ITO) is unsuccessful. READ MORE

  5. 3. Time series modelling of high frequency stock transaction data

    Author : Shahiduzzaman Quoreshi; Kurt Brännäs; Per Johansson; Umeå universitet; []
    Keywords : Economics; Count data; Intra-day; High frequency; Time series; Estimation; Long memory; Finance; Nationalekonomi; Econometrics; ekonometri;

    Abstract : .... READ MORE

  6. 4. Virtual Full Replication for Scalable Distributed Real-Time Databases

    Author : Gunnar Mathiason; Sten F. Andler; Sang H. Son; Hans Hansson; Alejandro Buchmann; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Scalability; Flexibility; Adaptiveness; Database Replication; Resource Management; Distributed Database; Real-time Database; Computer science; Datalogi; Information technology; Informationsteknik; Teknik;

    Abstract : A fully replicated distributed real-time database provides high availability and predictable access times, independent of user location, since all the data is available at each node. However, full replication requires that all updates are replicated to every node, resulting in exponential growth of bandwidth and processing demands with the number of nodes and objects added. READ MORE

  7. 5. Reducing ownership overhead in transaction processing multiprocessor servers

    Author : Jim Nilsson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : .... READ MORE