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Séminaire d'équipe(s) Large-scale Heterogeneous DAta and Knowledge
EFQ: Why-Not Answer Polynomials in Action
Katerina Tzompanaki

06 November 2015, 00:00
Salle/Bat : 445/PCRI-N
Contact : katerina.tzompanaki@lri.fr

Activités de recherche : Web data management

Résumé :
One important issue in modern database applications is supporting
the user with efficient tools to debug and fix queries because
such tasks are both time and skill demanding. One particular problem is known as Why-Not question and focusses on the reasons for missing tuples from query results. The EFQ platform demonstrated here has been designed in this context to efficiently leverage WhyNot
Answers polynomials, a novel approach that provides the user
with complete explanations to Why-Not questions and allows for
automatic, relevant query refinements.

Pour en savoir plus : https://www.lri.fr/~tzompana/
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