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DLOG
2008
13 years 6 months ago
Ontology Refinement through Role Assertion Analysis: Example in Pharmacogenomics
We propose an approach for extending domain knowledge represented in DL ontology by using knowledge extraction methods on ontology assertions. Concept and role assertions are extra...
Adrien Coulet, Malika Smaïl-Tabbone, Amedeo N...
DLOG
2008
13 years 6 months ago
Consistency Checking for Extended Description Logics
In this paper we consider the extensions of description logics that were proposed to represent uncertain or vague knowledge, focusing on the fuzzy and possibilistic formalisms. We ...
Olivier Couchariere, Marie-Jeanne Lesot, Bernadett...
DLOG
2008
13 years 6 months ago
Paraconsistent Reasoning for Expressive and Tractable Description Logics
Abstract. Four-valued description logic has been proposed to reason with description logic based inconsistent knowledge bases, mainly ALC. This approach has a distinct advantage th...
Yue Ma, Pascal Hitzler, Zuoquan Lin
DLOG
2008
13 years 6 months ago
SRIQ and SROIQ are Harder than SHOIQ
We identify the complexity of (finite model) reasoning in the DL SROIQ to be N2ExpTime-complete. We also prove that (finite model) reasoning in the DL SR--a fragment of SROIQ witho...
Yevgeny Kazakov
DLOG
2008
13 years 6 months ago
ContraBovemRufum: A System for Probabilistic Lexicographic Entailment
Representing probabilistic knowledge in combination with a description logic has been a research topic for quite some time. In [1] one of such combinations is introduced. We presen...
Tobias Henrik Näth, Ralf Möller
DLOG
2008
13 years 6 months ago
The Projection Problem for EL Actions
Hongkai Liu, Carsten Lutz, Maja Milicic
DLOG
2008
13 years 6 months ago
Planning of Axiom Absorption
Absorptions are generally employed in Description Logics (DL) reasoners in a uniform way regardless of the structure of an input knowledge base. In this paper we present an approac...
Jiewen Wu, Volker Haarslev
DLOG
2008
13 years 6 months ago
LTL over Description Logic Axioms
Franz Baader, Silvio Ghilardi, Carsten Lutz