Robust expert ranking in online communities - fighting Sybil Attacks.
Khaled Ahmed Nagi RashedCristina BalasoiuRalf KlammaPublished in: CollaborateCom (2012)
Keyphrases
- online communities
- social networks
- content analysis
- web search
- social media
- ranking algorithm
- learning to rank
- malicious users
- social influence
- digital image watermarking
- online learning communities
- social activities
- virtual communities
- current status
- image watermarking
- detection mechanism
- social networking
- ranking functions
- image sequences