2724 search results - page 155 / 545 » Optimizing Queries on Files |
190
Voted
ICDCS
2010
IEEE
15 years 24 days ago
2010
IEEE
As Cloud Computing becomes prevalent, sensitive information are being increasingly centralized into the cloud. For the protection of data privacy, sensitive data has to be encrypte...
153
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ICDE
2010
IEEE
15 years 10 months ago
2010
IEEE
Abstract— Developing a full-fledged cost-based XQuery optimizer is a fairly complex task. Nowadays, there is little knowledge concerning suitable cost formulae and optimization ...
103
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WAIM
2004
Springer
15 years 8 months ago
2004
Springer
A top-N selection query against a relation is to find the N tuples that satisfy the query condition the best but not necessarily completely. In this paper, we propose a new method ...
132
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SEBD
2007
15 years 4 months ago
2007
We consider the problem of query containment over an object data model derived from F-logic. F-logic has generated considerable interest commercially, in the academia, and within ...
125
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SIGMOD
2002
ACM
15 years 3 months ago
2002
ACM
Traditional query processors generate full, accurate query results, either in batch or in pipelined fashion. We argue that this strict model is too rigid for exploratory queries o...