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SIGIR
2012
ACM
11 years 6 months ago
Automatic term mismatch diagnosis for selective query expansion
People are seldom aware that their search queries frequently mismatch a majority of the relevant documents. This may not be a big problem for topics with a large and diverse set o...
Le Zhao, Jamie Callan
EVOW
2008
Springer
13 years 6 months ago
Improving Query Expansion with Stemming Terms: A New Genetic Algorithm Approach
Nowadays, searching information in the web or in any kind of document collection has become one of the most frequent activities. However, user queries can be formulated in a way th...
Lourdes Araujo, José R. Pérez-Ag&uum...
SAC
2002
ACM
13 years 4 months ago
Hierarchical presentation of expansion terms
Different presentations of candidate expansion terms have not been fully explored in interactive query expansion (IQE). Most existing systems that offer an IQE facility use a list...
Hideo Joho, Claire Coverson, Mark Sanderson, Miche...
ADC
2004
Springer
132views Database» more  ADC 2004»
13 years 10 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
CIKM
2001
Springer
13 years 9 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