1587 search results - page 98 / 318 » UFRGS@CLEF2009: Retrieval by Numbers |
265
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BDA
2007
15 years 7 months ago
2007
In content-based retrieval, relevance feedback (RF) is a noticeable method for reducing the “semantic gap” between the low-level features describing the content and the usually...
165
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AMC
2007
15 years 6 months ago
2007
In this work the variance of the error of analyzed wind fields obtained from an ensemble Kalman filter is used as a criterion with which to optimize radar network scanning strat...
137
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
Algorithms in distributed information retrieval often rely on accurate knowledge of the size of a collection. The "multiple capture-recapture" method of Shokouhi et al. ...
178
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PVLDB
2008
15 years 5 months ago
2008
The number of successful attacks on the Internet shows that it is very difficult to guarantee the security of online search engines. A breached server that is not detected in time...
177
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RECSYS
2010
ACM
15 years 4 months ago
2010
ACM
A ranking approach, ListRank-MF, is proposed for collaborative filtering that combines a list-wise learning-to-rank algorithm with matrix factorization (MF). A ranked list of item...