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Conference Papers Year : 2008

Conservative Adaptation in Metric Spaces

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Julien Cojan
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Jean Lieber

Abstract

Conservative adaptation consists in a minimal change on a source case to be consistent with the target case, given the domain knowledge. It has been formalised in a previous work thanks to the AGM theory of belief revision applied to propositional logic. However, this formalism is rarely used in case-based reasoning systems. In this paper, conservative adaptation is extended to a more general representation framework, that includes also attribute-value formalisms. In this framework, a case is a class of case instances, which are elements of a metric space. Conservative adaptation is formalised in this framework and is extended to α-conservative adaptation, that relaxes the conservativeness. These approaches to adaptation in a metric space transform adaptation problems to well-formulated optimization problems. A running example in the cooking domain is used to illustrate the notions that are introduced.
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Dates and versions

inria-00336043 , version 1 (31-10-2008)

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Julien Cojan, Jean Lieber. Conservative Adaptation in Metric Spaces. 9th European Conference on Case-Based Reasoning - ECCBR 2008, Sep 2008, Trier, Germany. pp.135-149, ⟨10.1007/978-3-540-85502-6⟩. ⟨inria-00336043⟩
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