Relevance Topic Model for Unstructured Social Group Activity Recognition.
Fang ZhaoYongzhen HuangLiang WangTieniu TanPublished in: NIPS (2013)
Keyphrases
- topic models
- group activities
- group dynamics
- topic modeling
- latent dirichlet allocation
- microblog posts
- co occurrence
- object recognition
- text mining
- probabilistic model
- latent topics
- generative model
- information retrieval
- feature extraction
- action recognition
- social networks
- human actions
- databases
- unsupervised manner
- group members
- data analysis
- social media
- activity recognition
- social interaction
- human activities
- collaborative activities
- website
- probabilistic topic models
- test collection
- image classification