Stability of topic modeling via matrix factorization.

Mark Belford Brian Mac Namee Derek Greene

Published in: Expert Syst. Appl. (2018)

Keyphrases

matrix factorization
topic modeling
collaborative filtering
topic models
recommender systems
negative matrix factorization
low rank

nonnegative matrix factorization
factorization methods
latent dirichlet allocation
missing data
text mining
factor analysis
latent topics

probabilistic latent semantic analysis
information retrieval
text classification
latent semantic analysis
text categorization
generative model
text documents

co occurrence
principal component analysis
information extraction
prior knowledge
latent factors
clustering algorithm