Keyphrases
- social networks
- social network analysis
- social interaction
- biometric authentication
- online social networks
- social networking
- social media
- authentication mechanism
- user authentication
- link prediction
- social networking sites
- community detection
- fragile watermarking
- online communities
- heterogeneous networks
- community structure
- authentication scheme
- complex networks
- data encryption
- network structure
- opinion leaders
- evolving graphs
- integrity verification
- privacy preserving
- semi fragile watermarking