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Defining the Information Part of Information System: A Base for Simulation
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
Responsible organisation
2005 (English)In: IRIS 28: Proceedings of the 28th Information Systems Research Seminar in Scandinavia. IRIS 28, Kristiansand, Norway, August 6-9 2005, 2005Conference paper, Published paper (Refereed)
Abstract [en]

In order to construct a quantitative model of an information system, an operational definition of "information" is needed. This operational definition needs to mold the concept into a quantitative entity. There are many differend definitions of information already, but they have been formulated with other purposes. In this article the concept of operation is operationally defined with the long-term purpose of building simulation model of an information system where the human actors are considered part of the system. The concept is discussed from the viewpoint of earlier definitions, related concepts, things that happen to it and its various aspects. The curriculum of information is reformulated into quantitative terms, in order to finally arrive in a new definition of information within the current context: Information is an explicitly constructed message, always ultimately constructed by a sentient being. Along with describing the properties assigned to this entity, it is believed that it would be possible to construct a quantitative model of a complete information system.

Place, publisher, year, edition, pages
2005.
Keywords [en]
Information system, information
National Category
Computer Sciences
Identifiers
URN: urn:nbn:se:miun:diva-3302Local ID: 3231OAI: oai:DiVA.org:miun-3302DiVA, id: diva2:28334
Available from: 2008-09-30 Created: 2008-09-30 Last updated: 2018-01-12Bibliographically approved
In thesis
1. A Theoretical Base for the Simulation of Information Systems
Open this publication in new window or tab >>A Theoretical Base for the Simulation of Information Systems
2005 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Östersund: Mid Sweden University, 2005. p. 58
Series
Mid Sweden University licentiate thesis, ISSN 1652-8948 ; 8
Keywords
Simulation, information system, design, modelling
National Category
Computer Sciences
Identifiers
urn:nbn:se:miun:diva-5825 (URN)3496 (Local ID)91-85317-13-6 (ISBN)3496 (Archive number)3496 (OAI)
Presentation
(English)
Available from: 2008-09-30 Created: 2009-05-11 Last updated: 2018-01-12Bibliographically approved
2. Organization-level information systems: Tools for supporting the development process
Open this publication in new window or tab >>Organization-level information systems: Tools for supporting the development process
2010 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

All organizations have an information system. An information system is all that which contribute to the distribution within an organization, and without the information system, the organization would not survive. Despite this, work with changing or constructing information systems often end up with suboptimal results. In recent scientific articles, and within profession-specific newspapers, the figures on how many such project end up as failures range between 70 and 80 percent. One source of problems with information systems work is deficiencies of the governance of the change processes. Further, many methods applied to information systems work are in fact software systems method and may thus be suspected to miss important aspects of the information system. In this thesis I have studied approaches for supporting the information systems development process. These approaches have all included trying to find aspects of the information system and trying to measure, simulate or in other ways asses them in order to get an overview of where effort has to be added in the development process.The results of the thesis include recommendations surrounding the simulations of such aspects, as well as a model where the aspects have been formulated into criteria for information system evaluation. The CISE model (Criteria for Information Systems Evaluation) is the main product, and it is available to useas a checklist during information systems work.

Abstract [sv]

Alla organisationer har ett informationssystem. Ett informationsystem är allt det som inom en organisation bidrar till att sprida information, och utaninformationssystemet skull organisationen inte överleva. Trots detta resulterar arbete med att ändra och bygga informationssystem ofta i resultat som är sämre än önskvärda. I senare vetenskapliga artiklar, och inom den professionella pressen, nämns ofta siffror kring 70-80 procent i samband med hur ofta dessa projekt misslyckas.En källa till problem med informationssystemsarbete är brister i styrningen av förändringsprocesserna. Vidare, många metoder som används för informationssystemsarbete är egentligen metoder avsedda för mjukvaruutveckling, och som därmed kan misstänkas missa viktiga aspekter när de tillämpas på informationssystem. I den här avhandlingen har jag studerat angreppssätt för att stödja informationssystemsutvecklingsprocessen. Dessa angreppssätt satsar alla påatt hitta aspekter av informationsystem, och att försöka mäta, simulera eller i andra former uppskatta aspekterna för att få en översikt över var mer kraft behövs i utvecklingsprocessen. Resultaten av avhandlingen inkluderar rekommendationer kring simulering av sådana aspekter, samt en model där aspekterna formulerats som kriterierför utvärdering av informationssystem. CISE-modellen (Criteria for InformationSystems Evaluation) är den främsta produkten av avhandlingen, och den gåratt använda som en checklista under informationssystemsarbete.

Place, publisher, year, edition, pages
östersund: Mid Sweden Univ, 2010. p. 71
Series
Mid Sweden University doctoral thesis, ISSN 1652-893X ; 94
National Category
Computer Sciences
Identifiers
urn:nbn:se:miun:diva-12112 (URN)978-91-86073-93-0 (ISBN)
Available from: 2010-10-12 Created: 2010-10-12 Last updated: 2018-01-12Bibliographically approved

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Palmius, Joel

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