186 search results - page 19 / 38 » Queries and materialized views on probabilistic databases |
162
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DBISP2P
2005
Springer
15 years 11 months ago
2005
Springer
In this paper, we present the use of semantic caching in the environment of schema-based super-peer networks. Different from traditional caching, semantic caching allows the answe...
157
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SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...
236
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
136
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DAWAK
1999
Springer
15 years 10 months ago
1999
Springer
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over relations that are stored in distributed heterogeneous databases. The selection of views for...
142
Voted
ICMCS
2000
IEEE
15 years 10 months ago
2000
IEEE
As more information sources become available in multimedia systems, the development of multimedia database management systems (MDBMSs) to efficiently model and search multimedia ...