Keyphrases
- social media
- gesture recognition
- online social networks
- social networks
- hidden markov models
- micro blogging
- sign language
- human robot interaction
- hand gestures
- public opinion
- social media data
- user generated content
- social networking
- polarity classification
- microblog posts
- pointing gestures
- latin america
- social networking sites
- information diffusion
- information systems
- social web
- hand movements
- emerging topics
- news media
- genetic algorithm
- search engine