6650 search results - page 250 / 1330 » Mutating database queries |
169
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ESWS
2010
Springer
15 years 3 months ago
2010
Springer
Abstract. RDF will often be the metadata model of choice in the Semantic Sensor Web. However, RDF can only represent thematic metadata and needs to be extended if we want to model ...
229
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ICDE
2005
IEEE
16 years 5 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...
150
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WISE
2003
Springer
15 years 9 months ago
2003
Springer
In this paper, we further develop a proposed layered approach for the Semantic Web. Our objective is to build a specific solution to the problem of providing data interoperability...
235
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ICDE
2009
IEEE
16 years 6 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...
220
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ICDE
2001
IEEE
16 years 5 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...