Detect Professional Malicious User with Metric Learning in Recommender Systems.
Yuanbo XuYongjian YangEn WangFuzhen ZhuangHui XiongPublished in: CoRR (2022)
Keyphrases
- recommender systems
- metric learning
- collaborative filtering
- user preferences
- distance metric learning
- distance metric
- user model
- pairwise
- user profiles
- machine learning and pattern recognition
- nearest neighbor classification
- semi supervised
- distance function
- learning tasks
- matrix factorization
- dimensionality reduction
- semi supervised clustering
- mahalanobis metric
- feature space
- low dimensional
- support vector machine