7607 search results - page 332 / 1522 » Querying data provenance |
285
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GIS
2003
ACM
16 years 7 months ago
2003
ACM
With wireless communications and geo-positioning being widely available, it becomes possible to offer new e-services that provide mobile users with information about other mobile ...
203
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CAISE
2005
Springer
16 years 10 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 ...
204
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MDM
2010
Springer
15 years 11 months ago
2010
Springer
Motivated by many applications, top-k query is a fundamental operation in modern database systems. Technological advances have enabled the deployment of large-scale sensor networks...
184
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BNCOD
2008
15 years 8 months ago
2008
Abstract. We introduce a query language over sensors, streams and relations and formally describe its semantics. Although the language was specifically designed for sensor network ...
205
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DPD
1998
15 years 6 months ago
1998
Distributed databases operating over wide-area networks such as the Internet, must deal with the unpredictable nature of the performance of communication. The response times of acc...