7576 search results - page 275 / 1516 » On Querying Ontologies and Databases |
290
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ICDE
2000
IEEE
16 years 8 months ago
2000
IEEE
In information-integration systems, sources may have diverse and limited query capabilities. In this paper we show that because sources have restrictions on retrieving their infor...
330
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
Database query languages can be intimidating to the nonexpert, leading to the immense recent popularity for keyword based search in spite of its significant limitations. The holy ...
185
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VLDB
1992
ACM
15 years 10 months ago
1992
ACM
Research in temporal databases has mainly focused on defining temporal data models by extending existing models, and developing access structures for temporal data. Little has bee...
278
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
We present GPUQP, a relational query engine that employs both CPUs and GPUs (Graphics Processing Units) for in-memory query co-processing. GPUs are commodity processors traditiona...
177
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SEBD
1996
15 years 8 months ago
1996
Abstract. To select an optimal query evaluation strategy for a path query in an object-oriented database system one has to exploit the available index structures on the path. In a ...