2845 search results - page 178 / 569 » Constraints over Ontologies |
194
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WWW
2006
ACM
16 years 7 months ago
2006
ACM
In this poster we present an approach to query answering over knowledge sources that makes use of different ontology management components within an application scenario of the BT...
166
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
— If we consider a query involving multiple domains, such as “find all database conferences held within six months in locations whose seasonal average temperature is 28◦ C a...
152
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EDBT
2010
ACM
15 years 10 months ago
2010
ACM
Recent progress in information extraction has shown how to automatically build large ontologies from high-quality sources like Wikipedia. But knowledge evolves over time; facts ha...
163
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SEBD
2008
15 years 8 months ago
2008
d Abstract) Daniele Braga1 , Diego Calvanese2 , Alessandro Campi1 , Stefano Ceri1 , Florian Daniel1 , Davide Martinenghi1 , Paolo Merialdo3 , Riccardo Torlone3 1 Dip. di Elettronic...
181
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TPLP
2010
15 years 5 months ago
2010
The need for integration of ontologies with nonmonotonic rules has been gaining importance in a number of areas, such as the Semantic Web. A number of researchers addressed this p...