9414 search results - page 477 / 1883 » Adaptive Query Processing |
163
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GECCO
2007
Springer
16 years 14 days ago
2007
Springer
Genetic algorithms (GAs) have long been used for large join query optimization (LJQO). Previous work takes all queries as based on one granularity to optimize GAs and compares the...
177
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WWW
2010
ACM
15 years 11 months ago
2010
ACM
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
262
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SSD
2009
Springer
16 years 26 days ago
2009
Springer
The range nearest-neighbor (NN) query is an important query type in location-based services, as it can be applied to the case that an NN query has a spatial region, instead of a lo...
171
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
We introduce a distributed adaptive estimation algorithm operating in an ideal fully connected sensor network. The algorithm estimates node-specific signals at each node based on...
145
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ICASSP
2008
IEEE
16 years 23 days ago
2008
IEEE
In this paper, a new algorithm for robust adaptive beamforming is developed. The basic idea of the proposed algorithm is to estimate the difference between the actual and presumed...