Qualitative Preference Modelling in Constraint Satisfaction
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The paper addresses the problem of finding an appropriate formalism for the representation of preferences expressed on an n-dimensional space of attributes and on different layers: generic, contextual and structural preferences.
The paper first introduces a general framework for preference modelling and then specialises it for the multi-layer case. It then shows that in the case we privilege computational efficiency an appropriate formalism can be the CP-nets one. More precisely we show how contextual and structural preferences can be seen as different types of constraint satisfaction problems to which apply some Ceteris-Paribus preferential reasoning.
KeywordsBinary Relation Preference Statement Constraint Satisfaction Constraint Satisfaction Problem White Wine
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