AAAI Publications, Twenty-Second International FLAIRS Conference

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A Surprise-based Qualitative Calculus
Zina M. Ibrahim, Ahmed Y. Tawfik, Alioune Ngom

Last modified: 2009-03-18

Abstract


This paper introduces a qualitative ranking function that uses signed integers to describe the surprise associated with the occurrence of events. The measure introduced, kappa++, is based on the kappa calculus but differs from it in that its semantics enable an explicit representation of complements. As a result, the kappa++ is more capable of enforcing probability theory-like constraints to carry on reasoning.

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