3686 search results - page 499 / 738 » Context Query in Information Retrieval |
209
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GIS
2009
ACM
16 years 1 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
212
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MIR
2004
ACM
16 years 2 days ago
2004
ACM
In this paper, we present an index structure-based method to fast and robustly search short video clips in large video collections. First we temporally segment a given long video ...
160
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WSDM
2010
ACM
16 years 4 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...
157
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WWW
2006
ACM
16 years 7 months ago
2006
ACM
We address the problem of answering broad-topic queries on the World Wide Web. We present a link based analysis algorithm SelHITS, which is an improvement over Kleinberg's HI...
156
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CIKM
2008
Springer
15 years 8 months ago
2008
Springer
A recently proposed approach to address privacy concerns in storing web search querylogs is bundling logs of multiple users together. In this work we investigate privacy leaks tha...