7576 search results - page 273 / 1516 » On Querying Ontologies and Databases |
251
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GBRPR
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. This paper proposes an expert peering system for information exchange. Our objective is to develop a real-time search engine for an online community where users can ask e...
158
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BTW
2005
Springer
16 years 8 days ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
210
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WEBI
2010
Springer
15 years 4 months ago
2010
Springer
In recent years, there has been an explosion of publicly available RDF and OWL web pages. Some of these pages are static text files, while others are dynamically generated from la...
195
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OTM
2009
Springer
16 years 1 months ago
2009
Springer
Provenance, from the French word “provenir”, describes the lineage or history of a data entity. Provenance is critical information in scientific applications to verify experime...
187
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WSKS
2009
Springer
15 years 11 months ago
2009
Springer
We propose a framework that supports a federated environment based on a Mediator Architecture in the Semantic Web. The Mediator supports mappings between the OWL Ontology of the Me...