Relevance Topic Model for Unstructured Social Group Activity Recognition.

Fang Zhao Yongzhen Huang Liang Wang Tieniu Tan

Published 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