2828 search results - page 192 / 566 » Multimedia information retrieval from recorded presentations |
164
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KDD
2007
ACM
16 years 7 months ago
2007
ACM
We address the task of learning rankings of documents from search engine logs of user behavior. Previous work on this problem has relied on passively collected clickthrough data. ...
181
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
Identifying similar keywords, known as broad matches, is an important task in online advertising that has become a standard feature on all major keyword advertising platforms. Eff...
180
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ACL
2010
15 years 4 months ago
2010
We present a novel framework for automated extraction and approximation of numerical object attributes such as height and weight from the Web. Given an object-attribute pair, we d...
178
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CIKM
2007
Springer
16 years 24 days ago
2007
Springer
We present a corpus-based approach to the class expansion task. For a given set of seed entities we use co-occurrence statistics taken from a text collection to define a membersh...
185
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SIGIR
2005
ACM
16 years 5 days ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...