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» Debugging OWL ontologies
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EKAW
2008
Springer
13 years 10 months ago
Learning Disjointness for Debugging Mappings between Lightweight Ontologies
Abstract. Dealing with heterogeneous ontologies by means of semantic mappings has become an important area of research and a number of systems for discovering mappings between onto...
Christian Meilicke, Johanna Völker, Heiner St...
WWW
2005
ACM
14 years 9 months ago
Soundness proof of Z semantics of OWL using institutions
The correctness of the Z semantics of OWL is the theoretical foundation of using software engineering techniques to verify Web ontologies. As OWL and Z are based on different logi...
Dorel Lucanu, Yuan-Fang Li, Jin Song Dong
AIME
2011
Springer
12 years 8 months ago
The FMA in OWL 2
Representing the Foundational Model of Anatomy (FMA) in OWL 2 is essential for semantic interoperability. The paper describes the method and tool used to formalize the FMA in OWL 2...
Christine Golbreich, Julien Grosjean, Stéfa...
SEMWEB
2009
Springer
14 years 3 months ago
Practical Aspects of Query Rewriting for OWL 2
Abstract. Query answering for the QL profile of OWL 2 and a substantial fragment of the EL profile can be implemented via query rewriting. In our previous work, we presented RQR...
Héctor Pérez-Urbina, Ian Horrocks, B...
DLOG
2011
13 years 10 days ago
Module Extraction via Query Inseparability in OWL 2 QL
We show that deciding conjunctive query inseparability for OWL 2 QL ontologies is PSpace-hard and in ExpTime. We give polynomial-time (incomplete) algorithms and demonstrate by exp...
Boris Konev, Roman Kontchakov, Michel Ludwig, Thom...