Inference of Suspicious Co-Visitation and Co-Rating Behaviors and Abnormality Forensics for Recommender Systems.
Zhihai YangQindong SunYaling ZhangLei ZhuWenjiang JiPublished in: IEEE Trans. Inf. Forensics Secur. (2020)
Keyphrases
- recommender systems
- collaborative filtering
- user preferences
- matrix factorization
- recommendation quality
- rating prediction
- collaborative filtering recommender systems
- cold start problem
- information overload
- probabilistic inference
- netflix prize
- recommendation systems
- anomaly detection
- user profiles
- personalized recommendation
- collaborative filtering algorithms
- information filtering
- human behavior
- item based collaborative filtering
- user ratings
- inference process
- belief networks
- information retrieval
- cold start
- data sparsity
- user modeling
- user model
- trust aware
- dynamic bayesian networks
- product recommendation
- digital forensics
- user profiling
- implicit feedback
- law enforcement
- user interests
- user feedback
- bayesian networks