1672 search results - page 181 / 335 » Optimizing Monitoring Queries over Distributed Data |
133
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GLOBECOM
2006
IEEE
16 years 16 days ago
2006
IEEE
Abstract— In this paper, we propose asynchronous non-orthogonal communication between distributed sensors and a data fusion center via asynchronous direct-sequence code-division ...
208
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SIGMOD
2010
ACM
15 years 6 months ago
2010
ACM
An increasing number of applications operate on data obtained from the Web. These applications typically maintain local copies of the web data to avoid network latency in data acc...
171
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VLDB
2001
ACM
15 years 11 months ago
2001
ACM
Estimating the number of distinct values is a wellstudied problem, due to its frequent occurrence in queries and its importance in selecting good query plans. Previous work has sh...
183
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BIRTE
2006
15 years 10 months ago
2006
Real-time enterprises rely on user queries being answered in a timely fashion and using fresh data. This is relatively easy when systems are lightly loaded and both queries and upd...
151
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VLDB
2005
ACM
15 years 12 months ago
2005
ACM
Existing work for query processing over graph data models often relies on pre-computing the transitive closure or path indexes. In this paper, we propose a family of stack-based a...