1775 search results - page 30 / 355 » Language-modeling kernel based approach for information retr... |
ICTIR
2009
Springer
14 years 3 months ago
2009
Springer
We introduce perturbation kernels, a new class of similarity measure for information retrieval that casts word similarity in terms of multi-task learning. Perturbation kernels mode...
SIGIR
2011
ACM
12 years 11 months ago
2011
ACM
Pseudo-relevance feedback has proven effective for improving the average retrieval performance. Unfortunately, many experiments have shown that although pseudo-relevance feedback...
CLEF
2007
Springer
14 years 2 months ago
2007
Springer
We present two simple but effective smoothing techniqes for the standard language model (LM) approach to information retrieval [12]. First, we extend the unigram Dirichlet smoothi...
CLEF
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. In this paper, we describe an approach for the automatic modality classification in medical image retrieval task of the 2010 CLEF cross-language image retrieval campaign ...
FLAIRS
2007
13 years 10 months ago
2007
We investigate the use of a morphological neural network to improve the performance of information retrieval systems. A morphological neural network is a neural network based on l...