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DLOG
2008
14 years 1 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
DLOG
2008
14 years 1 months ago
Identifying Objects Over Time with Description Logics
A fundamental requirement for cooperating agents is to agree on a selection of component values of objects that can be used for reliably communicating references to the objects, to...
David Toman, Grant E. Weddell
DLOG
2008
14 years 1 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
DLOG
2008
14 years 1 months ago
Realization Problem for Formal Concept Analysis
Formal Concept Analysis (FCA) is an approach to knowledge engineering, representation, and analysis. A `standard' FCA-workflow starts with some `experimental' data, class...
Nikolay Shilov
DLOG
2008
14 years 1 months ago
Distributed Resolution for ALC
The use of Description Logic as the basis for Semantic Web Languages has led to new requirements with respect to scalable and nonstandard reasoning. In this paper, we address the p...
Anne Schlicht, Heiner Stuckenschmidt
DLOG
2008
14 years 1 months ago
Partial and Informative Common Subsumers of Concepts Collections in Description Logics
Least Common Subsumers in Description Logics have shown their usefulness for discovering commonalities among all concepts of a collection. Several applications are nevertheless foc...
Simona Colucci, Eugenio Di Sciascio, Francesco M. ...
DLOG
2008
14 years 1 months ago
A Hybrid Tableau Algorithm for ALCQ
Abstract. We propose an approach for extending a tableau-based satisfiability algorithm by an arithmetic component. The result is a hybrid satisfiability algorithm for the Descript...
Jocelyne Faddoul, Nasim Farsinia, Volker Haarslev,...