4645 search results - page 528 / 929 » Using Information Extraction to Improve Document Retrieval |
148
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
Algorithms in distributed information retrieval often rely on accurate knowledge of the size of a collection. The "multiple capture-recapture" method of Shokouhi et al. ...
170
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SIGIR
2002
ACM
15 years 6 months ago
2002
ACM
We develop a method for predicting query performance by computing the relative entropy between a query language model and the corresponding collection language model. The resultin...
203
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TREC
2004
15 years 8 months ago
2004
CL Research participated in the question answering and novelty tracks in TREC 2004. The Knowledge Management System (KMS), which provides a single interface for question answering...
216
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CIVR
2007
Springer
16 years 1 months ago
2007
Springer
Near-duplicate keyframes (NDK) play a unique role in large-scale video search, news topic detection and tracking. In this paper, we propose a novel NDK retrieval approach by explo...
192
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NAACL
2004
15 years 8 months ago
2004
We consider the problem of modeling the content structure of texts within a specific domain, in terms of the topics the texts address and the order in which these topics appear. W...