757 search results - page 25 / 152 » Topical query decomposition |
149
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SIGIR
2012
ACM
13 years 4 months ago
2012
ACM
Finding topic experts on microblogging sites with millions of users, such as Twitter, is a hard and challenging problem. In this paper, we propose and investigate a new methodolog...
133
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WSDM
2012
ACM
13 years 9 months ago
2012
ACM
This paper presents a novel opinion mining research problem, which is called Contrastive Opinion Modeling (COM). Given any query topic and a set of text collections from multiple ...
118
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ICDM
2005
IEEE
15 years 7 months ago
2005
IEEE
Accurate topical classification of user queries allows for increased effectiveness and efficiency in general-purpose web search systems. Such classification becomes critical if th...
126
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CIKM
2005
Springer
15 years 7 months ago
2005
Springer
Subject-specific search facilities on health sites are usually built using manual inclusion and exclusion rules. These can be expensive to maintain and often provide incomplete c...
119
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TREC
2007
15 years 3 months ago
2007
This paper describes our participation in the opinion retrieval task at Blog Track 07. The system consisted of the preprocess part, the topic retrieval part and sentiment analysis...