4584 search results - page 501 / 917 » Sequential parameter optimization |
142
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SIGIR
2009
ACM
15 years 11 months ago
2009
ACM
Recent work in supervised learning of term-based retrieval models has shown significantly improved accuracy can often be achieved via better model estimation [2, 10, 11, 17]. In ...
141
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CDC
2008
IEEE
15 years 11 months ago
2008
IEEE
—We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooper...
144
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ICC
2008
IEEE
15 years 11 months ago
2008
IEEE
—Cognitive radios have the ability to sense their RF environment and adapt their transmission parameters to perform optimally in any situation. Part of this involves selecting th...
126
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IEEEIAS
2008
IEEE
15 years 11 months ago
2008
IEEE
This paper investigates Loss of Self-similarity (LoSS) detection performance using Exact and Asymptotic Second Order Self-Similarity (ESOSS and ASOSS) models. Previous works on Lo...
134
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HICSS
2007
IEEE
15 years 11 months ago
2007
IEEE
As information systems (IS) and technology solutions become increasingly service-driven, managers are faced with the task of choosing parameters such as service-levels, pricing, a...