Keyphrases
- social networks
- social media
- social influence
- daily life
- social network analysis
- recommender systems
- information retrieval
- virtual communities
- opinion leaders
- user interface
- social web
- online social
- heterogeneous social networks
- user interaction
- social interaction
- social network services
- social context
- personalized recommender systems
- social communities
- user activities
- viral marketing
- micro blogging
- internet users
- social networking sites
- user generated content
- collaborative filtering
- end users