Hashtag-Based Sub-Event Discovery Using Mutually Generative LDA in Twitter.
Chen XingYuan WangJie LiuYalou HuangWei-Ying MaPublished in: AAAI (2016)
Keyphrases
- topic models
- lda model
- generative model
- latent dirichlet allocation
- real world events
- microblog posts
- linear discriminant analysis
- social media
- probabilistic topic models
- topic modeling
- face recognition
- social networks
- topic discovery
- probabilistic model
- discriminant analysis
- latent topics
- online social networks
- emerging topics
- micro blogging
- event detection
- feature extraction
- process mining
- subspace methods
- latent variables
- news stories
- data mining
- dimension reduction
- unsupervised learning
- co occurrence
- user generated content
- social networking sites
- event sequences
- discriminative learning
- text documents
- em algorithm
- principal component analysis
- knowledge discovery
- bayesian networks
- polarity classification