296 search results - page 2 / 60 » A Corpus Analysis Approach for Automatic Query Expansion |
AIRS
2008
Springer
13 years 12 months ago
2008
Springer
We present a novel approach that transforms the weighting task to a typical coarse-grained classification problem, aiming to assign appropriate weights for candidate expansion term...
CIKM
2001
Springer
13 years 10 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...
DL
1994
Springer
13 years 9 months ago
1994
Springer
Digital Libraries will hold huge amounts of text and other forms of information. For the collections to be maximally useful, they must be highly organized with useful indexes and ...
CIKM
2007
Springer
13 years 11 months ago
2007
Springer
As one of the most effective query expansion approaches, local feedback is able to automatically discover new query terms and improve retrieval accuracy for different retrieval ...
EMNLP
2006
13 years 7 months ago
2006
This paper proposes an unsupervised lexicon building method for the detection of polar clauses, which convey positive or negative aspects in a specific domain. The lexical entries...