3096 search results - page 507 / 620 » Theory and Use of the EM Algorithm |
139
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CIKM
2009
Springer
15 years 10 months ago
2009
Springer
Ranking is a key problem in many information retrieval (IR) applications, such as document retrieval and collaborative filtering. In this paper, we address the issue of learning ...
107
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DOCENG
2009
ACM
15 years 10 months ago
2009
ACM
We study the analysis problem of XPath expressions with counting constraints. Such expressions are commonly used in document transformations or programs in which they select porti...
124
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ISLPED
2009
ACM
15 years 10 months ago
2009
ACM
Increasing power densities and the high cost of low thermal resistance packages and cooling solutions make it impractical to design processors for worst-case temperature scenarios...
152
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MOBICOM
2009
ACM
15 years 10 months ago
2009
ACM
In cognitive radio networks (CRNs), spectrum sensing is key to opportunistic spectrum access while preventing any unacceptable interference to primary users’ communications. Alt...
129
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SIGIR
2009
ACM
15 years 10 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 ...