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ER
2007
Springer
108views Database» more  ER 2007»
14 years 4 months ago
Reasoning over Extended ER Models
Abstract. We investigate the computational complexity of reasoning over various fragments of the Extended Entity-Relationship (EER) language, which includes a number of constructs:...
Alessandro Artale, Diego Calvanese, Roman Kontchak...
ESWS
2007
Springer
14 years 4 months ago
Empowering Software Maintainers with Semantic Web Technologies
Abstract. Software maintainers routinely have to deal with a multitude of artifacts, like source code or documents, which often end up disconnected, due to their different represen...
René Witte, Yonggang Zhang, Juergen Rilling
GEOS
2007
Springer
14 years 4 months ago
Algorithm, Implementation and Application of the SIM-DL Similarity Server
Abstract. Semantic similarity measurement gained attention as a methodology for ontology-based information retrieval within GIScience over the last years. Several theories explain ...
Krzysztof Janowicz, Carsten Keßler, Mirco Sc...
LPAR
2007
Springer
14 years 4 months ago
How Many Legs Do I Have? Non-Simple Roles in Number Restrictions Revisited
Abstract. The Description Logics underpinning OWL impose a well-known syntactic restriction in order to preserve decidability: they do not allow to use nonsimple roles—that is, t...
Yevgeny Kazakov, Ulrike Sattler, Evgeny Zolin
SEMWEB
2007
Springer
14 years 4 months ago
Instance Migration in Heterogeneous Ontology Environments
In this paper we address the problem of migrating instances between heterogeneous overlapping ontologies. The instance migration problem arises when one wants to reclassify a set o...
Luciano Serafini, Andrei Tamilin