7576 search results - page 358 / 1516 » On Querying Ontologies and Databases |
280
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ICDE
2005
IEEE
16 years 8 months ago
2005
IEEE
In this demonstration, we present a database over complex documents, which, in addition to a structured text content, also has update information, annotations, and embedded object...
170
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AAAI
2007
15 years 9 months ago
2007
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large a...
288
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Directions search returns the shortest path from a source to a destination on a road network. However, the search interests of users may be exposed to the service providers, thus r...
266
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ICDE
2001
IEEE
16 years 8 months ago
2001
IEEE
We describe efficient algorithms for accurately estimating the number of matches of a small node-labeled tree, i.e., a twig, in a large node-labeled tree, using a summary data str...
328
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
Given a set of objects P and a query point q, a k nearest neighbor (k-NN) query retrieves the k objects in P that lie closest to q. Even though the problem is well-studied for sta...