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Computing k−Rank Answers with Ontological CP−Nets

Abstract:
The tastes of a user can be represented in a natural way by using qualitative preferences. In this paper, we describe how to combine ontological knowledge with CP-Nets to represent preferences in a qualitative way and enriched with domain knowledge. Specifically, we focus on conjunctive query (CQ) answering under CP-net-based preferences. We define k-rank answers to CQs based on the user’s preferences encoded in an ontological CP-net and we provide an algorithm for k-rank answering CQs.

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Authors


Tommaso Di Noia More by this author
Thomas Lukasiewicz More by this author
Maria Vanina Martinez More by this author
Gerardo I. Simari More by this author
Oana Tifrea−Marciuska More by this author
Publisher:
DCS
Publication date:
2014
URN:
uuid:a3076ff0-1a7c-45d6-832a-07522e0f4f51
Local pid:
cs:8689

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