PUMA
Istituto di Scienza e Tecnologie dell'Informazione     
Straccia U. Towards top-k query answering in description logics: the case of DL-lite. In: JELIA 2006 - Logics in Artificial Intelligence. 10th European Conference on Logics in Artificial Intelligence (Liverpool, UK, 13-15 September 2006). Proceedings, pp. 439 - 451. Michael Fisher, Wiebe van der Hoek, Boris Konev, Alexei Lisitsa (eds.). (Lecture Notes in Artificial Intelligence, vol. 4160). Springer-Verlag, 2006.
 
 
Abstract
(English)
We address the problem of evaluating ranked top-k queries in description logics. The problem occurs whenever we allow queries such as "find cheap hotels close to the conference location" in which fuzzy predicates like cheap and close occur. We show how to efficiently compute the top-k answers of conjunctive queries with fuzzy predicates over DL-LITE like knowledge bases
URL: http://link.springer.com/chapter/10.1007%2F11853886_36
DOI: 10.1007/11853886_36
Subject Description logics
Top-k
F.4 MATHEMATICAL LOGIC AND FORMAL LANGUAGES


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