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» A Fuzzy Description Logic
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JELIA
2010
Springer
14 years 7 months ago
Rational Closure for Defeasible Description Logics
In the field of non-monotonic logics, the notion of rational closure is acknowledged as a landmark, and we are going to see that such a construction can be characterised by means o...
Giovanni Casini, Umberto Straccia
DLOG
2003
14 years 11 months ago
Expressive Description Logics
This chapter covers extensions of the basic description logics introduced in Chapter 2 by very expressive constructs that require advanced reasoning techniques. In particular, we ...
Diego Calvanese, Giuseppe De Giacomo
WILF
2005
Springer
96views Fuzzy Logic» more  WILF 2005»
15 years 3 months ago
Imprecise Temporal Interval Relations
Abstract. When the time span of an event is imprecise, it can be represented by a fuzzy set, called a fuzzy time interval. In this paper we propose a representation for 13 relation...
Steven Schockaert, Martine De Cock, Etienne E. Ker...
EUSFLAT
2009
122views Fuzzy Logic» more  EUSFLAT 2009»
14 years 7 months ago
Semantic Proximity Between Queries and the Empty Answer Problem
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 ...
Patrick Bosc, Carmen Brando, Allel HadjAli, H&eacu...
WILF
2007
Springer
101views Fuzzy Logic» more  WILF 2007»
15 years 4 months ago
Exploring the Application of Fuzzy Logic and Data Fusion Mechanisms in QAS
In this paper we explore the application of fuzzy logic and data fusion techniques to improve the performance of passage retrieval in open domain Question Answering Systems (QAS). ...
Daniel Ortiz Arroyo, Hans Ulrich Christensen