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ML
2010
ACM
175views Machine Learning» more  ML 2010»
13 years 5 months ago
Concept learning in description logics using refinement operators
With the advent of the Semantic Web, description logics have become one of the most prominent paradigms for knowledge representation and reasoning. Progress in research and applica...
Jens Lehmann, Pascal Hitzler
DEXA
2008
Springer
123views Database» more  DEXA 2008»
14 years 19 days ago
Evolutionary Clustering in Description Logics: Controlling Concept Formation and Drift in Ontologies
Abstract. We present a method based on clustering techniques to detect concept drift or novelty in a knowledge base expressed in Description Logics. The method exploits an effectiv...
Nicola Fanizzi, Claudia d'Amato, Floriana Esposito
AAAI
1997
14 years 6 days ago
Representing Sequences in Description Logics
This paper describes an approach for representing and manipulating sequences in description logics (DLs). The key idea is to represent sequences using sux trees, then represent t...
Haym Hirsh, Daniel Kudenko
CORR
2006
Springer
99views Education» more  CORR 2006»
13 years 11 months ago
Logical settings for concept learning from incomplete examples in First Order Logic
We investigate here concept learning from incomplete examples. Our first purpose is to discuss to what extent logical learning settings have to be modified in order to cope with da...
Dominique Bouthinon, Henry Soldano, Véroniq...
FROCOS
2009
Springer
14 years 5 months ago
DL-Lite with Temporalised Concepts, Rigid Axioms and Roles
We investigate the temporal extension of the description logic DL-Lite(RN ) bool with the until operator on concepts, rigid (time-independent) and local (time-dependent) roles, and...
Alessandro Artale, Roman Kontchakov, Vladislav Ryz...