Enhancing Topic Models by Incorporating Explicit and Implicit External Knowledge.
Yang HongXinhuai TangTiancheng TangYunlong HuJintai TianPublished in: ACML (2020)
Keyphrases
- topic models
- external knowledge
- topic modeling
- domain knowledge
- wordnet
- latent dirichlet allocation
- co occurrence
- text documents
- text categorization
- document clustering
- text mining
- textual information
- probabilistic model
- generative model
- web directories
- knowledge sources
- semantic features
- machine learning
- em algorithm
- bag of words
- expectation maximization
- feature extraction
- knowledge base