Keyphrases
- mobile phone
- social ties
- social interaction
- online social networks
- location prediction
- social networks
- link prediction
- mobile devices
- online learning communities
- mobile users
- mobile learning
- social relationships
- mobile phone users
- online communities
- mobile applications
- network structure
- rfid reader
- hot spots
- heterogeneous networks
- social behavior
- social networking
- social network analysis
- factor graph model