Tag-topic model for semantic knowledge acquisition from blogs.
Fang LiHuiyu ShenTingting HePublished in: NLPKE (2011)
Keyphrases
- topic models
- knowledge acquisition
- latent dirichlet allocation
- topic modeling
- topic tracking
- text documents
- latent topics
- latent variables
- text mining
- knowledge base
- co occurrence
- generative model
- probabilistic model
- word pairs
- gibbs sampling
- expert systems
- keywords
- knowledge representation
- social networks
- news events
- baseline models
- semantic information
- variational inference
- lda model
- social media
- microblog posts
- machine learning
- latent topic model
- probabilistic latent semantic analysis
- user generated content
- news articles
- maximum likelihood
- active learning
- learning algorithm