47 search results - page 1 / 10 » Automatic Query Expansion Based on Divergence |
CIKM
2001
Springer
13 years 9 months ago
2001
Springer
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...
TREC
2004
13 years 5 months ago
2004
Our participation in TREC 2004 aims to extend and improve the use of the DFR (Divergence From Randomness) models with Query Expansion (QE) for the robust track. We experiment with...
ECIR
2007
Springer
13 years 6 months ago
2007
Springer
Information retrieval systems (IRSs) usually suffer from a low ability to recognize a same idea that is expressed in different forms. A way of improving these systems is to take ...
ECIR
2007
Springer
13 years 6 months ago
2007
Springer
We consider the issue of query performance, and we propose a novel method for automatically predicting the difficulty of a query. Unlike a number of existing techniques which are b...
CORR
2008
Springer
13 years 4 months ago
2008
Springer
Abstract. Query expansion is a well known method to improve the performance of information retrieval systems. In this work we have tested different approaches to extract the candid...