86 search results - page 10 / 18 » A Similarity-based Probability Model for Latent Semantic Ind... |
73
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JASIS
2006
14 years 9 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 ...
102
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SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
We consider the problem of document indexing and representation. Recently, Locality Preserving Indexing (LPI) was proposed for learning a compact document subspace. Different from...
SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
We introduce the posterior probabilistic clustering (PPC), which provides a rigorous posterior probability interpretation for Nonnegative Matrix Factorization (NMF) and removes th...
106
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NIPS
2004
14 years 11 months ago
2004
Directed graphical models with one layer of observed random variables and one or more layers of hidden random variables have been the dominant modelling paradigm in many research ...
SAC
2006
ACM
15 years 3 months ago
2006
ACM
A fundamental problem in peer-to-peer networks is how to locate appropriate peers efficiently to answer a specific query request. This paper proposes a model in which semantically...