Spotting anomalous ratings for rating systems by analyzing target users and items.
Zhihai YangZhongmin CaiYuan YangPublished in: Neurocomputing (2017)
Keyphrases
- collaborative filtering
- recommender systems
- user ratings
- reputation systems
- active user
- rating prediction
- recommendation systems
- user interaction
- user preferences
- user interface
- demographic information
- computer systems
- collaborative filtering recommender systems
- recommendation quality
- anomaly detection
- management system
- matrix factorization
- user feedback
- human users
- user model
- user groups
- complex systems
- web environment
- mission critical
- cold start problem
- user profiles
- collaborative filtering algorithms
- distributed systems
- information retrieval systems
- end users