5166 search results - page 351 / 1034 » Web Query Optimizer |
176
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ACMICEC
2006
ACM
2006
ACM
A semantic-based fully visual application for matchmaking and query refinement in B2C e-marketplaces
15 years 10 months ago
This paper presents a visual application in the framework of semantic-enabled e-marketplaces aimed at fully exploiting semantics of supply/demand descriptions in B2C and C2C e-mar...
182
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WWW
2003
ACM
16 years 7 months ago
2003
ACM
Search engine traffic is central to the success of many websites. By analyzing the queries-to-results graph generated by a search engine, our tool can recommend relevant queries f...
162
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ADMA
2005
Springer
16 years 8 days ago
2005
Springer
Execution cost of batched data mining queries can be reduced by integrating their I/O steps. Due to memory limitations, not all data mining queries in a batch can be executed toget...
169
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JC
2007
15 years 6 months ago
2007
We study the complexity of approximating the smallest eigenvalue of −∆ + q with Dirichlet boundary conditions on the d-dimensional unit cube. Here ∆ is the Laplacian, and th...
189
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PVLDB
2008
15 years 6 months ago
2008
Estimates of predicate selectivities by database query optimizers often differ significantly from those actually encountered during query execution, leading to poor plan choices a...