21 search results - page 2 / 5 » Latent semantic indexing (LSI) fails for TREC collections |
HICSS
2007
IEEE
13 years 11 months ago
2007
IEEE
Latent Semantic Indexing (LSI) is commonly used to match queries to documents in information retrieval applications. LSI has been shown to improve retrieval performance for some, ...
14
Voted
ECIR
2006
Springer
13 years 6 months ago
2006
Springer
This paper presents two sentence retrieval methods. We adopt the task definition done in the TREC Novelty Track: sentence retrieval consists in the extraction of the relevant sente...
SIGIR
1999
ACM
13 years 9 months ago
1999
ACM
Probabilistic Latent Semantic Indexing is a novel approach to automated document indexing which is based on a statistical latent class model for factor analysis of count data. Fit...
DEXA
2006
Springer
13 years 8 months ago
2006
Springer
Abstract. Latent Semantic Indexing(LSI) has been proved to be effective to capture the semantic structure of document collections. It is widely used in content-based text retrieval...
CIKM
2010
Springer
13 years 3 months ago
2010
Springer
In Latent Semantic Indexing (LSI), a collection of documents is often pre-processed to form a sparse term-document matrix, followed by a computation of a low-rank approximation to...