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CIKM
2001
Springer
14 years 4 months ago
The Effectiveness of Query Expansion for Distributed Information Retrieval
Query expansion has been shown effective for both single database retrieval and for distributed information retrieval where complete collection information is available. One might...
Paul Ogilvie, James P. Callan
CIKM
2001
Springer
14 years 4 months ago
Automatic Query Expansion Based on Divergence
In this paper we are mainly concerned with discussion of a formal model, based on the basic concept of divergence from information theory, for automatic query expansion. The basic...
D. Cai, C. J. van Rijsbergen, Joemon M. Jose
JCDL
2010
ACM
259views Education» more  JCDL 2010»
14 years 5 months ago
Exploiting time-based synonyms in searching document archives
Query expansion of named entities can be employed in order to increase the retrieval effectiveness. A peculiarity of named entities compared to other vocabulary terms is that they...
Nattiya Kanhabua, Kjetil Nørvåg
SIGIR
2003
ACM
14 years 5 months ago
Re-examining the potential effectiveness of interactive query expansion
Much attention has been paid to the relative effectiveness of interactive query expansion versus automatic query expansion. Although interactive query expansion has the potential ...
Ian Ruthven
ICTAI
2003
IEEE
14 years 5 months ago
Query Expansion and Query Reduction in Document Retrieval
We investigate two seemingly incompatible approaches for improving document retrieval performance in the context of question answering: query expansion and query reduction. Querie...
Ingrid Zukerman, Bhavani Raskutti, Yingying Wen
CLEF
2004
Springer
14 years 5 months ago
IR-n r2: Using Normalized Passages
This paper describes the fourth participation of IR-n system (Alicante University) at CLEF conferences. At present conference, we have modified the similarity measure and the que...
Fernando Llopis, Rafael Muñoz, Rafael M. Te...
CLEF
2004
Springer
14 years 5 months ago
The University of Glasgow at CLEF 2004: French Monolingual Information Retrieval with Terrier
This paper describes our participation in the CLEF 2004 French monolingual task. We used our Terrier Information Retrieval platform and experimented with query expansion and query...
Christina Lioma, Ben He, Vassilis Plachouras, Iadh...
CIKM
2004
Springer
14 years 5 months ago
A framework for selective query expansion
Query expansion is a well-known technique that has been shown to improve average retrieval performance. This technique has not been used in many operational systems because of the...
Stephen Cronen-Townsend, Yun Zhou, W. Bruce Croft
ADC
2004
Springer
132views Database» more  ADC 2004»
14 years 5 months ago
Questioning Query Expansion: An Examination of Behaviour and Parameters
In information retrieval, queries can fail to find documents due to mismatch in terminology. Query expansion is a well-known technique addressing this problem, where additional q...
Bodo Billerbeck, Justin Zobel
NLDB
2005
Springer
14 years 5 months ago
The Role of Word Sense Disambiguation in Automated Text Categorization
Abstract. Automated Text Categorization has reached the levels of accuracy of human experts. Provided that enough training data is available, it is possible to learn accurate autom...
José María Gómez Hidalgo, Man...