1672 search results - page 104 / 335 » Optimizing Monitoring Queries over Distributed Data |
173
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MOBISYS
2008
ACM
16 years 5 months ago
2008
ACM
This paper investigates an application of mobile sensing: detecting and reporting the surface conditions of roads. We describe a system and associated algorithms to monitor this i...
165
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SEBD
2007
15 years 7 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 ...
263
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
Wireless sensor networks generate a vast amount of data. This data, however, must be sparingly extracted to conserve energy, usually the most precious resource in battery-powered ...
169
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SAC
2011
ACM
14 years 9 months ago
2011
ACM
Semantic caching augments cached data with a semantic description of the data. These semantic descriptions can be used to improve execution time for similar queries by retrieving ...
191
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CLUSTER
2004
IEEE
15 years 10 months ago
2004
IEEE
A key challenge in supporting data-driven scientific applications is the storage and management of input and output data in a distributed environment. In this paper, we describe a...