5954 search results - page 308 / 1191 » Querying Bi-level Information |
180
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ICDCS
2005
IEEE
16 years 11 days ago
2005
IEEE
This paper presents MobiQuery, a spatiotemporal query service that allows mobile users to periodically gather information from their surrounding areas through a wireless sensor ne...
166
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IDEAS
2005
IEEE
16 years 10 days ago
2005
IEEE
Traditional approaches to query processing aim at rewriting a given query into another more efficient one that uses less time and/or resources during the execution. There by, the...
202
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CAISE
2005
Springer
16 years 9 days ago
2005
Springer
In vague queries, a user enters a value that represents some real world object and expects as the result the set of database values that represent this real world object even with ...
200
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CIKM
2005
Springer
16 years 9 days ago
2005
Springer
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
163
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ADBIS
2004
Springer
16 years 5 days ago
2004
Springer
Abstract. Query rewriting method is proposed for the heterogeneous information integration infrastructure formed by the subject mediator environment. Local as View (LAV) approach t...