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Generating Cohesive Semantic Topics from Latent Factors.
Paulo Viana Bicalho
Tiago de Oliveira Cunha
Fernando Henrique Jesus Mourão
Gisele Lobo Pappa
Wagner Meira Jr.
Published in:
BRACIS (2014)
Keyphrases
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latent factors
topic models
latent dirichlet allocation
factor analysis
information retrieval
high level
matrix factorization
maximum likelihood
text documents
probabilistic latent semantic analysis
keywords
natural language
low level
probabilistic model
least squares
co occurrence