3229 search results - page 432 / 646 » Mixing |
143
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SIGIR
2009
ACM
16 years 23 days ago
2009
ACM
In this paper we examine user queries with respect to diversity: providing a mix of results across different interpretations. Using two query log analysis techniques (click entrop...
165
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SOUPS
2009
ACM
16 years 23 days ago
2009
ACM
Randomness is a necessary ingredient in various computational tasks and especially in Cryptography, yet many existing mechanisms for obtaining randomness suffer from numerous pro...
170
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CISS
2008
IEEE
16 years 22 days ago
2008
IEEE
Abstract—Cross-layer optimization including congestion control, routing, and scheduling has shown dramatic throughput improvement over layered designs for wireless networks. In p...
150
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FOCS
2008
IEEE
16 years 21 days ago
2008
IEEE
We consider the problem of online sublinear expander reconstruction and its relation to random walks in “noisy” expanders. Given access to an adjacency list representation of ...
168
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GLOBECOM
2008
IEEE
16 years 21 days ago
2008
IEEE
—The cognitive radio based IEEE 802.22 wireless regional area network (WRAN) is designed to operate in the under–utilized TV bands by detecting and avoiding primary TV transmis...