1168 search results - page 138 / 234 » Optimization strategies for complex queries |
PODS
2010
ACM
15 years 3 months ago
2010
ACM
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...
SSS
2010
Springer
14 years 8 months ago
2010
Springer
In this paper we present new distributed protocols to color even rings and general bipartite graphs. Our motivation is to provide algorithmic explanation for human subject experime...
107
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PRL
2007
14 years 9 months ago
2007
: We propose a new feature selection strategy based on rough sets and Particle Swarm Optimization (PSO). Rough sets has been used as a feature selection method with much success, b...
109
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BMCBI
2010
14 years 10 months ago
2010
Background: Generally speaking, different classifiers tend to work well for certain types of data and conversely, it is usually not known a priori which algorithm will be optimal ...
120
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ICDCS
2012
IEEE
13 years 15 days ago
2012
IEEE
—Cloud resources are usually priced in multiple markets with different service guarantees. For example, Amazon EC2 prices virtual instances under three pricing schemes — the su...