Abnormal Group User Detection in Recommender Systems Using Multi-dimension Time Series.
Wei ZhouJunhao WenQingyu XiongJun ZengLing LiuHaini CaiTian ChenPublished in: CollaborateCom (2016)
Keyphrases
- recommender systems
- user preferences
- collaborative filtering
- user profiles
- anomaly detection
- information overload
- user profiling
- user model
- active user
- abnormal patterns
- implicit feedback
- automatic detection
- user modeling
- false alarms
- user interests
- matrix factorization
- cold start problem
- cold start
- user modelling
- recommendation quality
- information filtering
- detection accuracy
- recommendation systems
- detection rate
- detection algorithm
- user interaction
- user feedback
- detection method
- object detection
- user requirements
- user ratings
- data mining
- product recommendation
- content based filtering
- collaborative filtering recommender systems