Ecsy-Recsy: Considering Sybil attack with time dynamics and economics in recommender system.
Giseop NohYoung-myoung KangChong-kwon KimPublished in: ICOIN (2013)
Keyphrases
- recommender systems
- malicious users
- detection mechanism
- information filtering
- collaborative filtering
- computational intelligence
- injection attacks
- dynamic model
- dynamical systems
- user preferences
- game theory
- user interests
- information overload
- implicit feedback
- cooperative
- secret key
- countermeasures
- data sparsity
- product recommendation
- highly nonlinear
- user profiles
- online dating
- digital libraries