NDLI: Integrating Dempster-Shafer belief functions into a knowledge representation system based on Petri nets

Content Provider	IEEE Xplore Digital Library
Author	Posavec, A.B.
Copyright Year	1998
Description	Author affiliation: Dept. for Electron., Microelectron., Comput. & Intelligent Syst., Zagreb Univ., Croatia (Posavec, A.B.)
Abstract	The expressive power and the epistemic adequacy of the Dempster-Shafer (DS) theory of evidence has often been acknowledged. DS theory of evidence is based on two components: a tool for representing belief for a statement, i.e. a pair of set functions (Bel, Pl) that quantify to what extent available evidence implies the statement and to what extent is available evidence consistent with the statement, respectively; and a tool for combining evidence. Thus DS theory deals with belief intervals rather than single numerical values of belief. There is an explicit differentiation between the notion of disbelief from that of lack of belief. However, as many other methodologies in the field of uncertain reasoning, DS theory addresses only the problem of representing the uncertainty of knowledge, without dealing with the problem of representing the knowledge itself. Saffiotti (1994) has proposed a framework for integrating the DS theory with a knowledge representation system. This approach introduces so-called belief bases, whose purpose is to allow embedding belief functions into a knowledge representation system which is better suited for representing the knowledge itself. Belief bases for a given knowledge representation system are built using three primitive operations, which utilize Dempster's combination rule. This paper describes an attempt at integrating appropriately modified belief bases into a knowledge representation system which utilizes Petri nets for representing knowledge.
Starting Page	461
Ending Page	464
File Size	468515
Page Count	4
File Format	PDF
ISBN	078036290X
DOI	10.1109/MELCON.2000.879970
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-05-29
Publisher Place	Cyprus
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Knowledge representation Uncertainty Petri nets Intelligent systems Fuzzy reasoning Fuzzy logic Computer network management Microelectronics Computational complexity Modeling
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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