1025 search results - page 160 / 205 » A machine learning approach for improved BM25 retrieval |
144
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WWW
2011
ACM
14 years 9 months ago
2011
ACM
Our objective is to improve the performance of keyword based image search engines by re-ranking their baseline results. To this end, we address three limitations of existing searc...
142
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ISMIR
2004
Springer
15 years 7 months ago
2004
Springer
High-Level music descriptors are key ingredients for music information retrieval systems. Although there is a long tradition in extracting information from acoustic signals, the f...
115
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ECIR
2008
Springer
15 years 3 months ago
2008
Springer
Abstract. We present results of a new approach to detect destructive article revisions, so-called vandalism, in Wikipedia. Vandalism detection is a one-class classification problem...
188
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NIPS
2008
15 years 3 months ago
2008
Many machine learning algorithms require the summation of Gaussian kernel functions, an expensive operation if implemented straightforwardly. Several methods have been proposed to...
137
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NAACL
2003
15 years 3 months ago
2003
Searching online information is increasingly a daily activity for many people. The multilinguality of online content is also increasing (e.g. the proportion of English web users, ...