Examining Accumulated Emotional Traits in Suicide Blogs With an Emotion Topic Model.
Fuji RenXin KangChangqin QuanPublished in: IEEE J. Biomed. Health Informatics (2016)
Keyphrases
- topic models
- emotional state
- emotion recognition
- latent dirichlet allocation
- topic modeling
- facial expressions
- text documents
- latent topics
- text mining
- latent variables
- social media
- gibbs sampling
- social networks
- probabilistic model
- co occurrence
- generative model
- probabilistic topic models
- baseline models
- variational inference
- machine learning
- word pairs
- news events
- keywords
- artificial intelligence
- data mining
- social networking sites
- text corpora
- dimensionality reduction
- prior knowledge
- image segmentation
- lda model
- learning algorithm
- topic discovery
- microblog posts