25041 search results - page 4736 / 5009 » Algorithms for Clustering Data |
152
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MOBISYS
2007
ACM
16 years 4 months ago
2007
ACM
When the range of single-hop wireless communication is limited by distance or harsh radio propagation conditions, relays can be used to extend the communication range through mult...
165
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MOBIHOC
2005
ACM
16 years 4 months ago
2005
ACM
Mobile sinks are needed in many sensor network applications for efficient data collection, data querying, localized sensor reprogramming, identifying and revoking compromised sens...
127
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WSDM
2010
ACM
16 years 2 months ago
2010
ACM
Modeling query concepts through term dependencies has been shown to have a significant positive effect on retrieval performance, especially for tasks such as web search, where rel...
154
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WSDM
2010
ACM
16 years 2 months ago
2010
ACM
Sponsored search is a multi-billion dollar business that generates most of the revenue for search engines. Predicting the probability that users click on ads is crucial to sponsor...
172
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WSDM
2010
ACM
16 years 2 months ago
2010
ACM
Tagging plays an important role in many recent websites. Recommender systems can help to suggest a user the tags he might want to use for tagging a specific item. Factorization mo...