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An application of rule-based and case-based reasoning within a single legal knowledge-based system

Published:01 September 1997Publication History
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Abstract

A knowledge-based system, Advisory Support for Home Settlement in Divorce (ASHSD), which gives advice on different aspects of matrimonial-home-settlement in English divorce law is described. The system employs two reasoning methods, rule-based reasoning (RBR) and case-based reasoning (CBR) in an integrated framework. It automates the estimation of the relative suitability of these reasoning methods for any given new case. This relative suitability is judged by matching the features of the selected best case and best rule against the new case. Standard methods of numerical taxonomy are used to determine which of the matches is best, and therefore whether a new case is better solved by calling on rules that express the usual legal knowledge in the area or by referring to a past case that has a interpretation of an ambiguous situation which rules fail to underpin.

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  1. An application of rule-based and case-based reasoning within a single legal knowledge-based system

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