2191 search results - page 113 / 439 » Query Processing in the ROL system |
147
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DOLAP
2003
ACM
15 years 9 months ago
2003
ACM
Multidimensional aggregation queries constitute the single most important class of queries for data warehousing applications and decision support systems. The bottleneck in the ev...
136
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SIGIR
2003
ACM
15 years 9 months ago
2003
ACM
Much attention has been paid to the relative effectiveness of interactive query expansion versus automatic query expansion. Although interactive query expansion has the potential ...
168
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ICDT
2010
ACM
15 years 6 months ago
2010
ACM
When a query is evaluated under bag semantics, each answer is returned as many times as it has derivations. Bag semantics has long been recognized as important, especially when ag...
236
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ICDE
2005
IEEE
16 years 5 months ago
2005
IEEE
We demonstrate a web service and client application for querying and visualizing datasets defined over arbitrary topological grids. Such gridded datasets are produced by Earth sci...
140
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DASFAA
2003
IEEE
15 years 9 months ago
2003
IEEE
To integrate many data sources we use a peer mediator framework where views defined in the peers are logically composed in terms of each other. A common approach to execute queri...