161 search results - page 16 / 33 » Hierarchy-Regularized Latent Semantic Indexing |
CIVR
2008
Springer
13 years 9 months ago
2008
Springer
In information retrieval, sub-space techniques are usually used to reveal the latent semantic structure of a data-set by projecting it to a low dimensional space. Non-negative mat...
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
This paper studies the effect of Latent Semantic Analysis (LSA) on two different tasks: multimedia document retrieval (MDR) and automatic image annotation (AIA). The contributio...
FLAIRS
2009
13 years 5 months ago
2009
When research articles introduce new findings or concepts they typically relate them only to knowledge and domain concepts of immediate relevance. However, many domain concepts re...
CIKM
2009
Springer
14 years 1 months ago
2009
Springer
We present a class of models that are discriminatively trained to directly map from the word content in a query-document or documentdocument pair to a ranking score. Like Latent Se...
JASIS
2006
13 years 7 months ago
2006
Encouraged by a significant improvement over LSI (latent semantic indexing) approach in textual information retrieval of the DLSI (differential latent semantic indexing) approach ...