Automated Seeded Latent Dirichlet Allocation for Social Media Based Event Detection and Mapping.
Cornelia FernerClemens HavasElisabeth BirnbacherStefan WegenkittlBernd ReschPublished in: Inf. (2020)
Keyphrases
- event detection
- latent dirichlet allocation
- social media
- topic models
- topic modeling
- generative model
- lda model
- video event detection
- latent topics
- gibbs sampling
- text mining
- activity recognition
- video analysis
- social networks
- dimensionality reduction
- probabilistic latent semantic analysis
- social media data
- probabilistic topic models
- databases
- active learning
- data analysis
- support vector
- feature selection