169 search results - page 16 / 34 » Latent Semantic Indexing: A Probabilistic Analysis |
CIKM
2010
Springer
13 years 6 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...
ICPR
2010
IEEE
13 years 12 months ago
2010
IEEE
Semantic analysis of a document collection can be viewed as an unsupervised clustering of the constituent words and documents around hidden or latent concepts. This has shown to i...
CVPR
2008
IEEE
14 years 9 months ago
2008
IEEE
Image categorization is undoubtedly one of the most challenging open problems faced in Computer Vision, far from being solved by employing pure visual cues. Recently, additional t...
KDD
2006
ACM
14 years 8 months ago
2006
ACM
Contextual text mining is concerned with extracting topical themes from a text collection with context information (e.g., time and location) and comparing/analyzing the variations...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
We propose a novel unsupervised learning algorithm to extract the layout of an image by learning latent object-related aspects. Unlike traditional image segmentation algorithms th...