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» Probabilistic query expansion using query logs
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SIGIR
2009
ACM
14 years 4 months ago
Two-stage query segmentation for information retrieval
Modeling term dependence has been shown to have a significant positive impact on retrieval. Current models, however, use sequential term dependencies, leading to an increased que...
Michael Bendersky, W. Bruce Croft, David A. Smith
SIGMOD
2009
ACM
134views Database» more  SIGMOD 2009»
14 years 10 months ago
Keyword query cleaning using hidden Markov models
In this paper, we consider the problem of keyword query cleaning for structured databases from a probabilistic approach. Keyword query cleaning consists of rewriting the user quer...
Ken Q. Pu
EDBT
2009
ACM
113views Database» more  EDBT 2009»
14 years 5 months ago
Query ranking in probabilistic XML data
Twig queries have been extensively studied as a major fragment of XPATH queries to query XML data. In this paper, we study PXMLRANK query, (Q, k), which is to rank top-k probabili...
Lijun Chang, Jeffrey Xu Yu, Lu Qin
SIGIR
2006
ACM
14 years 4 months ago
Probabilistic latent query analysis for combining multiple retrieval sources
Combining the output from multiple retrieval sources over the same document collection is of great importance to a number of retrieval tasks such as multimedia retrieval, web retr...
Rong Yan, Alexander G. Hauptmann
CIKM
2008
Springer
14 years 9 days ago
A study of using an out-of-box commercial MT system for query translation in CLIR
Recent availability of commercial online machine translation (MT) systems makes it possible for layman Web users to utilize the MT capability for cross-language information retrie...
Dan Wu, Daqing He, Heng Ji, Ralph Grishman