Unsupervised strategies for shilling detection and robust collaborative filtering.
Bhaskar MehtaWolfgang NejdlPublished in: User Model. User Adapt. Interact. (2009)
Keyphrases
- collaborative filtering
- data sparsity
- recommender systems
- product recommendation
- partial occlusion
- object detection
- collaborative filtering algorithms
- false alarms
- detection method
- reliable detection
- automatic detection
- detection accuracy
- anomaly detection
- cluttered background
- vehicle detection
- matrix factorization
- false positives
- unsupervised learning
- data driven
- active learning
- neural network
- landmark detection
- cold start problem
- supervised learning
- bayesian networks
- clustering algorithm
- web pages