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195
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GECCO
2004
Springer
16 years 4 days ago
2004
Springer
Hybrid algorithms that combine genetic algorithms with the Nelder-Mead simplex algorithm have been effective in solving certain optimization problems. In this article, we apply a s...
184
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IPSN
2004
Springer
16 years 3 days ago
2004
Springer
We describe a novel method for node localization in a sensor network where there are a fraction of reference nodes with known locations. For application-specific sensor networks, ...
204
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IPSN
2004
Springer
16 years 3 days ago
2004
Springer
Wireless sensor networks are capable of collecting an enormous amount of data over space and time. Often, the ultimate objective is to derive an estimate of a parameter or functio...
134
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STOC
2004
ACM
16 years 7 months ago
2004
ACM
Recently, approximation analysis has been extensively used to study algorithms for routing weighted packets in various network settings. Although different techniques were applied...
273
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VLDB
2004
ACM
16 years 7 months ago
2004
ACM
In-network aggregation has been proposed as one method for reducing energy consumption in sensor networks. In this paper, we explore two ideas related to further reducing energy co...