Improving Topic Coherence with Latent Feature Word Representations in MAP Estimation for Topic Modeling.
Dat Quoc NguyenKairit SirtsMark JohnsonPublished in: ALTA (2015)
Keyphrases
- topic modeling
- latent topics
- map estimation
- topic models
- latent dirichlet allocation
- maximum a posteriori
- probabilistic topic models
- maximum likelihood
- latent variables
- text mining
- markov random field
- text classification
- co occurrence
- maximum a posterior
- noisy images
- topic extraction
- text documents
- probabilistic model
- feature vectors
- generative model
- em algorithm
- collaborative filtering
- image features
- image reconstruction
- lda model
- machine learning
- bag of words
- cost function
- keywords
- information retrieval