Modified Component Valuations in Valuation Based Systems as a Way to Optimize Query Processing

Authors:
S. T. Wierzchoń;M. A. Klopotek
Affiliations:
Institute of Computer Science, Polish Academy of Sciences, ul. Ordona 21, 01-237 Warszawa, Poland. E-mail: stw@ipipan.waw.pl, klopotek@ipipan.waw.pl;Institute of Computer Science, Polish Academy of Sciences, ul. Ordona 21, 01-237 Warszawa, Poland. E-mail: stw@ipipan.waw.pl, klopotek@ipipan.waw.pl
Venue:
Journal of Intelligent Information Systems
Year:
1997

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Abstract

Valuation-Based System (VBS for short) can represent knowledge indifferent domains including probability theory, Dempster-Shafertheory and possibility theory. More recent studies show that theframework of VBS is also appropriate for representing and solvingBayesian decision problems and optimization problems. In this paperafter introducing the valuation based system framework, we presentMarkov-like properties of VBS and a method for resolving queries toVBS.