3225 search results - page 154 / 645 » Query Optimization by Stored Queries |
152
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BIOINFORMATICS
2011
14 years 7 months ago
2011
We consider the problem of similarity queries in biological network databases. Given a database of networks, similarity query returns all the database networks whose similarity (i...
126
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BTW
2005
Springer
15 years 9 months ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
161
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WWW
2006
ACM
16 years 4 months ago
2006
ACM
We introduce a new, powerful class of text proximity queries: find an instance of a given "answer type" (person, place, distance) near "selector" tokens matchi...
158
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ISAAC
2007
Springer
15 years 10 months ago
2007
Springer
In this paper, we present two linear-size external memory data structures for approximate range searching. Our first structure, the BAR-B-tree, stores a set of N points in Rd and ...
116
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DASFAA
2003
IEEE
15 years 9 months ago
2003
IEEE
Data warehouses are of crucial importance to decision-making in competitive organizations. The fact that they store enormous quantities of data is a challenge in what concerns per...