Search for dissertations about: "Enterprise Information System"

Showing result 1 - 5 of 59 swedish dissertations containing the words Enterprise Information System.

  1. 1. Enterprise Architecture for Information System Analysis : Modeling and assessing data accuracy, availability, performance and application usage

    Author : Närman Per; Mathias Ekstedt; Pontus Johnson; Sjaak Brinkkemper; KTH; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Enterprise Architecture; Metamodeling; Decision-making; Data Accuracy; Service Availability; Service Performance; Technology Acceptance Model; Task Technology Fit;

    Abstract : Decisions concerning IT systems are often made without adequate decision-support. This has led to unnecessary IT costs and failures to realize business benefits. The present thesis presents a framework for analysis of four information systems properties relevant to IT decision-making. READ MORE

  2. 2. Enterprise Systems Modifiability Analysis : An Enterprise Architecture Modeling Approach for Decision Making

    Author : Robert Lagerström; Pontus Johnson; Marc Lankhorst; KTH; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Enterprise Architecture; Software System Modifiability; Decision Making; Metamodeling; Enterprise Architecture Analysis; Software Change Cost Estimation; Other information technology; Övrig informationsteknik;

    Abstract : Contemporary enterprises depend to great extent on software systems. During the past decades the number of systems has been constantly increasing and these systems have become more integrated with one another. This has lead to a growing complexity in managing software systems and their environment. READ MORE

  3. 3. Assessment of Enterprise Information Security : How to make it Credible and Efficient

    Author : Erik Johansson; Torsten Cegrell; Rune Gustavsson; KTH; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; Enterprise Information Security; Enterprise Architecture; Security Assessment; Information Technology Management; Information technology; Informationsteknik;

    Abstract : Information is an important business asset in today’s enterprises. Hence enterprise information security is an important system quality that must be carefully managed. READ MORE

  4. 4. Enterprise architecture for IT management : a CIO decision making perspective on the electrical power industry

    Author : Mathias Ekstedt; Torsten Cegrell; Dinesh Verma; KTH; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electronics; Enterprise architecture; Enterprise system; Chief information officer; Information technology management; Architectural theory; Electric power industry; Elektronik; Electronics; Elektronik;

    Abstract : Within the electric power industry, the average company's enterprise system - i.e. the overall system of IT related entities - is today highly complex. READ MORE

  5. 5. Analysis of enterprise IT service availability : Enterprise architecture modeling for assessment, prediction, and decision-making

    Author : Ulrik Franke; Pontus Johnson; Lars Nordström; Göran Ericsson; João Paulo A. Almeida; KTH; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Service Level Agreement; outage costs; Enterprise Architecture; enterprise IT service availability; decision-making; metamodeling; Enterprise Architecture analysis; Bayesian networks; fault trees; Predictive Probabilistic Architecture Modeling Framework; Service Level Agreement; nertidskostnader; Enterprise Architecture; tillgänglighet hos IT-tjänster; beslutsfattande; metamodellering; arkitekturanalys; bayesianska nätverk; felträd; Predictive Probabilistic Architecture Modeling Framework;

    Abstract : Information technology has become increasingly important to individuals and organizations alike. Not only does IT allow us to do what we always did faster and more effectively, but it also allows us to do new things, organize ourselves differently, and work in ways previously unimaginable. READ MORE