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» Using an Expressive Description Logic: FaCT or Fiction
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DLOG
2009
13 years 5 months ago
Model-Based Most Specific Concepts in Some Inexpressive Description Logics
Abstract. Model-based most specific concepts are a non-standard reasoning service in Description Logics. They have turned out to be useful in knowledge base completion for ontologi...
Felix Distel
DLOG
2008
13 years 9 months ago
Taming the Infinite Chase: Query Answering under Expressive Relational Constraints
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
Andrea Calì, Georg Gottlob, Michael Kifer
ASWC
2006
Springer
13 years 11 months ago
Modular Ontologies - A Formal Investigation of Semantics and Expressivity
With the growing interest in modular ontology languages to address the need for collaborative development, integration, and use of ontologies on the Web, there is an urgent need fo...
Jie Bao, Doina Caragea, Vasant Honavar
GPC
2010
Springer
14 years 2 months ago
Distributed Island-Based Query Answering for Expressive Ontologies
Scalability of reasoning systems is one of the main criteria which will determine the success of Semantic Web systems in the future. The focus of recent work is either on (a) expre...
Sebastian Wandelt, Ralf Möller
DATESO
2008
133views Database» more  DATESO 2008»
13 years 9 months ago
Incox - A Language for XML Integrity Constraints Description
Presently, there is no specialized language for complex integrity constraints description in XML documents. In this paper we present a language that combines first-order logic toge...
Katerina Opocenska, Michal Kopecky