A Valuation-Based Architecture for Assumption-Based Reasoning

Rolf Haenni
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Rolf Haenni: University of Fribourg, Institute of Informatics

A chapter in Mathematical Models for Handling Partial Knowledge in Artificial Intelligence, 1995, pp 255-257 from Springer

Abstract: Abstract Starting from assumption-based propositional knowledge bases, a symbolic evidence theory3 can be developed. This theory is the qualitative equivalent of the well known numerical Dempster-Shafer theory of evidence5. Given a propositional knowledge base and some additional facts or observations, the problem is to compute the quasi-supports, the contradictions and the supports in a symbolic form for one or a few hypotheses. The main advantage of this approach is that symbolic supports are pure arguments in favour or against certain hypotheses and they can be transformed into linguistic explanations.

Date: 1995
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DOI: 10.1007/978-1-4899-1424-8_16

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