9683 search results - page 650 / 1937 » Predicting query performance |
245
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ESWS
2011
Springer
14 years 11 months ago
2011
Springer
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...
218
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SIGMOD
2011
ACM
14 years 10 months ago
2011
ACM
Considering a broad definition for service contracts (beyond web services and software, e.g. airline tickets and insurance policies), we tackle the challenges of building a high ...
308
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
A system that enables real time query processing on large spatial networks is demonstrated. The system provides functionality for processing a wide range of spatial queries such a...
311
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ICDE
2000
IEEE
16 years 8 months ago
2000
IEEE
Decision-support applications in emerging environments require that SQL query results or intermediate results be shipped to clients for further analysis and presentation. These cl...
333
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GIS
2006
ACM
16 years 8 months ago
2006
ACM
The result of a distance join operation on two sets of objects R, S on a spatial network G is a set P of object pairs <p, q>, p R, q S such that the distance of an object ...