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Using predicate logic to integrate qualitative reasoning and classical decision theory

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4 Author(s)
Fox, J. ; Imperial Cancer Res. Fund Labs., London, UK ; Clark, D.A. ; Glowinski, A.J. ; O'Neil, M.J.

An approach that accommodates classical decision theory within a framework of first-order logic with nonmonotonic extensions is described. Among the benefits offered by the approach are the potential: to express qualitative arguments about the desirability of decision options in the absence of probability or utility parameters; to automate techniques for generating decision options; and to initiate, control, and terminate a decision process autonomously. The rationality of a logical decision framework is discussed. A particular benefit of implementing decision procedures in a nonmonotonic logic is that decision systems can adapt automatically as beliefs change, contradictions are encountered, or new knowledge is acquired. A general conclusion is that metaknowledge and metalevel reasoning must be integral elements of a decision theory because of the versatility and operating flexibility they offer

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Systems, Man and Cybernetics, IEEE Transactions on  (Volume:20 ,  Issue: 2 )