3456 search results - page 329 / 692 » Semantics in Spatial Databases |
198
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ER
2005
Springer
16 years 5 days ago
2005
Springer
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there has been renewed interest in data integration, where data is dis...
167
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GD
2004
Springer
16 years 2 days ago
2004
Springer
Abstract. We propose an algorithm for the 3D visualization of general ontology models used in many applications, such as semantic web, entity-relationship diagrams and other databa...
163
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FGCS
2007
15 years 6 months ago
2007
We propose a semi-automated method for redeploying bioinformatic databases indexed in a Web portal as a decentralized, semantically integrated and service-oriented Data Grid. We g...
262
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
There are more spots than immediately obvious in XQuery expressions where order is immaterial for evaluation-this affects most notably, but not exclusively, expressions in the sco...
293
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
Ontologies are increasingly used to represent the intended real-world semantics of data and services in information systems. Unfortunately, different data sources often do not rel...