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Semantic Proximity Between Queries and the Empty Answer Problem

Abstract : —This paper proposes an approach aimed at obviating empty answers for a family of conjunctive queries involving Boolean or fuzzy value constraints. Contrary to the approaches based on a relaxation of the predicates involved in the query, the principle suggested here consists in replacing the query by another one similar which has been processed previously and whose answer is known to be non-empty. This technique thus avoids the combinatory induced by classical relaxation-based approaches.
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https://hal.inria.fr/hal-01556456
Contributor : Hélène Jaudoin Connect in order to contact the contributor
Submitted on : Wednesday, July 5, 2017 - 10:47:07 AM
Last modification on : Tuesday, October 19, 2021 - 11:58:59 PM
Long-term archiving on: : Tuesday, January 23, 2018 - 7:42:13 PM

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  • HAL Id : hal-01556456, version 1
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P Bosc, C Brando, H Hadjali, Hélène Jaudoin, O Pivert. Semantic Proximity Between Queries and the Empty Answer Problem. IFSA-EUSFLAT, Jul 2009, Lisbon, Portugal. ⟨hal-01556456⟩

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