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CIKM
2009
Springer
14 years 19 days ago
2009
Springer
We systematically compare five representative state-of-theart methods for estimating query language models with pseudo feedback in ad hoc information retrieval, including two var...
INEX
2007
Springer
14 years 2 months ago
2007
Springer
This paper exposes the results of our participation at INEX’07 in the AdHoc track and the comparison of these results with respect to the ones obtained last year. Three runs were...
ECIR
2008
Springer
13 years 9 months ago
2008
Springer
Abstract. We show that several previously proposed passage-based document ranking principles, along with some new ones, can be derived from the same probabilistic model. We use lan...
ECIR
2009
Springer
14 years 5 months ago
2009
Springer
Probabilistic retrieval models usually rank documents based on a scalar quantity. However, such models lack any estimate for the uncertainty associated with a document’s rank. Fu...
HIM
1997
Springer
14 years 4 days ago
1997
Springer
The application of information retrieval techniques in interactive environments requires systems capable of efficiently processing vague queries. To reach reasonable response tim...