5166 search results - page 197 / 1034 » Web Query Optimizer |
158
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
This demonstration shows an integrated query processing environment where users can seamlessly query both a data stream management system and a sensor network with one query expre...
215
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ICDE
2011
IEEE
14 years 10 months ago
2011
IEEE
—An increasing amount of data produced nowadays is in RDF format. While significant work has been performed on view selection and query optimization algorithms in relational dat...
200
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PODS
1995
ACM
15 years 9 months ago
1995
ACM
During the last decade various spatial data structures have been designed and compared against each other with respect to their performance. Still missing is a lower bound result,...
170
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KRDB
1998
15 years 7 months ago
1998
We present a semantic caching approach for optimizing the performance of information mediators. A critical problem with information mediators, particularly those gathering and int...
195
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
The skyline of a set of d-dimensional points contains the points that are not dominated by any other point on all dimensions. Skyline computation has recently received considerabl...