o-HETM: An Online Hierarchical Entity Topic Model for News Streams.
Linmei HuJuan-Zi LiJing ZhangChao ShaoPublished in: PAKDD (1) (2015)
Keyphrases
- topic models
- pitman yor process
- topic modeling
- latent dirichlet allocation
- generative model
- latent topics
- text mining
- text documents
- statistical topic models
- probabilistic model
- co occurrence
- latent variables
- probabilistic topic models
- topic discovery
- hierarchical dirichlet process
- latent topic model
- concept hierarchy
- baseline models
- hierarchical bayesian model
- variational inference
- gibbs sampling
- text corpora
- parameter estimation
- probabilistic latent semantic analysis
- word pairs
- relevance model
- machine learning
- named entities
- information extraction
- bayesian nonparametric
- active learning
- knowledge base
- feature selection