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» On Ordering Descriptions in a Description Logic
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GEOINFORMATICA
2011
14 years 8 months ago
Functional description of geoprocessing services as conjunctive datalog queries
Discovery of suitable web services is a crucial task in Spatial Data Infrastructures (SDI). In this work, we develop a novel approach to the discovery of geoprocessing services (WP...
Daniel Fitzner, Jörg Hoffmann, Eva Klien
SEMWEB
2007
Springer
15 years 7 months ago
Measuring Incoherence in Description Logic-Based Ontologies
Ontologies play a core role in the success of the Semantic Web as they provide a shared vocabulary for different resources and applications. Developing an error-free ontology is a...
Guilin Qi, Anthony Hunter
DLOG
2007
15 years 3 months ago
Paraconsistent Resolution for Four-valued Description Logics
Abstract. In this paper, we propose an approach to translating any ALC ontology (possible inconsistent) into a logically consistent set of disjunctive datalog rules. We achieve thi...
Yue Ma, Pascal Hitzler, Zuoquan Lin
DLOG
2003
15 years 3 months ago
Rewriting Aggregate Queries using Description Logic
This paper presents an application of a DL reasoner to the optimization of an object-relational query language. Queries containing aggregate functions are difficult to optimize be...
David DeHaan, David Toman, Grant E. Weddell
DLOG
2009
14 years 11 months ago
Relativizing Concept Descriptions to Comparison Classes
Context-sensitivity has been for long a subject of study in linguistics, logic and computer science. Recently the problem of representing and reasoning with contextual knowledge ha...
Szymon Klarman, Stefan Schlobach