Keyphrases
- online social networks
- social ties
- social networks
- online social
- social relationships
- social networking
- social media
- network structure
- social networking sites
- social relations
- online social networking
- viral marketing
- information sharing
- social graph
- human mobility
- preferential attachment
- malicious activities
- social context
- data sharing
- knowledge sharing
- network dynamics
- social graphs
- data collection