2536 search results - page 224 / 508 » Gravitation-based model for information retrieval |
175
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TPDS
2002
15 years 6 months ago
2002
The problem of question/answering (Q/A) is to find answers to open-domain questions by searching large collections of documents. Unlike information retrieval systems, very common ...
219
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SIGIR
2011
ACM
14 years 9 months ago
2011
ACM
Pseudo-relevance feedback has proven effective for improving the average retrieval performance. Unfortunately, many experiments have shown that although pseudo-relevance feedback...
200
Voted
WSDM
2012
ACM
14 years 2 months ago
2012
ACM
Many vertical search tasks such as local search focus on specific domains. The meaning of relevance in these verticals is domain-specific and usually consists of multiple well-d...
347
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HT
2011
ACM
14 years 10 months ago
2011
ACM
Understanding query intent is essential to generating appropriate rankings for users. Existing methods have provided customized rankings to answer queries with different intent. W...
166
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CLEF
2005
Springer
16 years 6 days ago
2005
Springer
Abstract. This paper describes an investigation of data fusion techniques for spoken document retrieval. The effectiveness of retrievals solely based on the outputs from automatic...