Keyphrases
- social networking
- vector quantization
- social networks
- social media
- personal information
- crowd sourcing
- source code
- data collection
- user behavior
- social software
- social activities
- bag of words
- mobile communication
- social networking sites
- collective intelligence
- micro blogging
- social bookmarking
- social networking services
- informal learning
- online social networks
- image representation
- emerging trends
- online communities
- collaborative environment
- feature vectors
- social networking websites
- online social networking
- real world
- social web
- image compression