1119 search results - page 69 / 224 » Time Delay Estimator Based on Frequency Estimation Approach |
143
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CIKM
2005
Springer
15 years 10 months ago
2005
Springer
Accurately and efficiently estimating the number of distinct values for some attribute(s) or sets of attributes in a data set is of critical importance to many database operation...
113
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VLDB
1999
ACM
15 years 8 months ago
1999
ACM
This paper aims to improve the accuracy of query result-size estimations in query optimizers by leveraging the dynamic feedback obtained from observations on the executed query wo...
149
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GECCO
2006
Springer
15 years 8 months ago
2006
Springer
This work describes a forward-looking approach for the solution of dynamic (time-changing) problems using evolutionary algorithms. The main idea of the proposed method is to combi...
117
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
Abstract— We propose a packet sampling strategy called fixedperiod sampling, which selects at most one packet in every fixedlength period. Under the fixed-period sampling, the...
157
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TSP
2011
14 years 11 months ago
2011
Abstract—In multinode cooperative communications, simultaneous transmissions from two or more nodes are challenging due to its asynchronous nature. In addition, channel estimatio...