522 search results - page 42 / 105 » Feature selection for ranking using boosted trees |
AAAI
2000
15 years 1 months ago
2000
Selective sampling, a form of active learning, reduces the cost of labeling training data by asking only for the labels of the most informative unlabeled examples. We introduce a ...
104
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SIGIR
2004
ACM
15 years 5 months ago
2004
ACM
Web communities are web virtual broadcasting spaces where people can freely discuss anything. While such communities function as discussion boards, they have even greater value as...
112
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TIP
2008
14 years 11 months ago
2008
Several novel and particularly successful object and object category detection and recognition methods based on image features, local descriptions of object appearance, have recent...
CIKM
2009
Springer
15 years 6 months ago
2009
Springer
Eye tracking experiments have shown that titles of Web search results play a crucial role in guiding a user’s search process. We present a machine-learned algorithm that trains ...
WWW
2008
ACM
16 years 14 days ago
2008
ACM
The paper is concerned with the problem of question recommendation. Specifically, given a question as query, we are to retrieve and rank other questions according to their likelih...