1025 search results - page 116 / 205 » A machine learning approach for improved BM25 retrieval |
159
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
This paper proposes an efficient relevance feedback based interactive model for keyword generation in sponsored search advertising. We formulate the ranking of relevant terms as a...
176
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ICCV
2009
IEEE
16 years 11 months ago
2009
IEEE
This paper proposes a generic method for action recognition
in uncontrolled videos. The idea is to use images
collected from the Web to learn representations of actions
and use ...
173
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KDD
2006
ACM
16 years 6 months ago
2006
ACM
Collaborative recommender systems are highly vulnerable to attack. Attackers can use automated means to inject a large number of biased profiles into such a system, resulting in r...
184
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ACL
2011
14 years 10 months ago
2011
Annotating training data for event extraction is tedious and labor-intensive. Most current event extraction tasks rely on hundreds of annotated documents, but this is often not en...
214
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TRECVID
2008
15 years 7 months ago
2008
In this paper we describe our TRECVID 2008 video retrieval experiments. The MediaMill team participated in three tasks: concept detection, automatic search, and interactive search...