Search for dissertations about: "Industriella informations- och styrsystem"

Showing result 11 - 15 of 31 swedish dissertations containing the words Industriella informations- och styrsystem.

  2. 11. 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 : 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

  4. 12. A Framework and Calculation Engine for Modeling and Predicting the Cyber Security of Enterprise Architectures

    Author : Hannes Holm; Mathias Ekstedt; Robert Lagerström; Göran Ericsson; Ketil Stølen; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Computer security; security metrics; vulnerability assessment; attack graphs; risk management; architecture modeling; Enterprise Architecture; Cybersäkerhet; säkerhetsmetriker; sårbarhetsanalys; attackgrafer; riskhantering; arkitekturmodellering; organisationsövergripande arkitektur;

    Abstract : Information Technology (IT) is a cornerstone of our modern society and essential for governments' management of public services, economic growth and national security. Consequently, it is of importance that IT systems are kept in a dependable and secure state. READ MORE

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

    Author : Robert Lagerström; Pontus Johnson; Marc Lankhorst; KTH; []
    Keywords : 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

  6. 14. Use of the CIM framework for data management in maintenance of electricity distribution networks

    Author : Lars Nordström; Torsten Cegrell; Pekka Verho; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Asset Management; Electricity Distribution Networks; Information Systems; Data Quality; Power System Modeling; Enterprise Architecture; Common Information Model; Ontology; Systems engineering; Systemteknik;

    Abstract : Aging infrastructure and personnel, combined with stricter financial constraints has put maintenance, or more popular Asset Management, at the top of the agenda for most power utilities. At the same time the industry reports that this area is not properly supported by information systems. READ MORE

  7. 15. 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 : 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