902 search results - page 65 / 181 » Efficient and Extensible Algorithms for Multi Query Optimiza... |
224
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VLDB
2007
ACM
16 years 2 months ago
2007
ACM
We present STAR, a self-tuning algorithm that adaptively sets numeric precision constraints to accurately and efficiently answer continuous aggregate queries over distributed data...
130
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CORR
2010
Springer
15 years 2 months ago
2010
Springer
Equal allocation of bandwidth and/or power may not be efficient for wireless multi-user networks with limited bandwidth and power resources. Joint bandwidth and power allocation s...
136
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TPDS
2008
15 years 2 months ago
2008
Energy efficiency is one of the most critical issues in the design of wireless sensor networks. Observing that many sensor applications for object tracking can tolerate a certain d...
123
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DASFAA
2007
IEEE
15 years 8 months ago
2007
IEEE
Finding all the occurrences of a twig pattern on multiple elements in an XML document is a core operation for efficient evaluation of XML queries. Holistic twig join algorithms, Tw...
138
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WWW
2007
ACM
16 years 3 months ago
2007
ACM
Current web search engines focus on searching only the most recent snapshot of the web. In some cases, however, it would be desirable to search over collections that include many ...