264 search results - page 2 / 53 » Probabilistic Latent Semantic Indexing |
LWA
2004
13 years 6 months ago
2004
An ontology is a speci...cation of a conceptualization, a shared understanding of some domain of interest. The paper develops an algorithm that hierarchically groups words together...
MM
2004
ACM
13 years 10 months ago
2004
ACM
We address the problem of unsupervised image auto-annotation with probabilistic latent space models. Unlike most previous works, which build latent space representations assuming ...
KDD
2005
ACM
13 years 10 months ago
2005
ACM
In this paper, we propose an information retrieval model called Latent Interest Semantic Map (LISM), which features retrieval composed of both Collaborative Filtering(CF) and Prob...
ICDM
2007
IEEE
13 years 11 months ago
2007
IEEE
Probabilistic latent semantic indexing (PLSI) represents documents of a collection as mixture proportions of latent topics, which are learned from the collection by an expectation...
MM
2009
ACM
13 years 11 months ago
2009
ACM
We propose a novel technique for semi-supervised image annotation which introduces a harmonic regularizer based on the graph Laplacian of the data into the probabilistic semantic ...