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DLOG
2010
13 years 3 months ago
The Logical Difference For Fuzzy EL+ Ontologies
Abstract. Ontologies undergo changes for reasons such as changes in knowledge, meeting varying application requirements. Thus, for different versions of a considered ontology, it i...
Shasha Feng, Yonggang Zhang, Dantong Ouyang, Haiya...
DLOG
2009
13 years 3 months ago
Reasoning About Typicality in ALC and EL
In this work we summarize our recent results on extending Description Logics for reasoning about prototypical properties and inheritance with exceptions. First, we focus our attent...
Laura Giordano, Valentina Gliozzi, Nicola Olivetti...
DLOG
2008
13 years 7 months ago
Classifying Fuzzy Subsumption in Fuzzy-EL+
Abstract. Fuzzy Description Logics (f-DLs) have been proposed as extensions of classical Description Logics able to handle imprecise and vague knowledge. Although several extension...
Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan
TIME
2007
IEEE
13 years 11 months ago
Temporalising Tractable Description Logics
It is known that for temporal languages, such as firstorder LT L, reasoning about constant (time-independent) relations is almost always undecidable. This applies to temporal des...
Alessandro Artale, Roman Kontchakov, Carsten Lutz,...
CADE
2006
Springer
14 years 5 months ago
CEL - A Polynomial-Time Reasoner for Life Science Ontologies
CEL (Classifier for EL) is a reasoner for the small description logic EL+ which can be used to compute the subsumption hierarchy induced by EL+ ontologies. The most distinguishing ...
Franz Baader, Carsten Lutz, Boontawee Suntisrivara...