Detect Professional Malicious User With Metric Learning in Recommender Systems.
Yuanbo XuYongjian YangEn WangFuzhen ZhuangHui XiongPublished in: IEEE Trans. Knowl. Data Eng. (2022)
Keyphrases
- recommender systems
- metric learning
- collaborative filtering
- user preferences
- distance metric
- user profiles
- semi supervised
- distance metric learning
- user model
- nearest neighbor classification
- pairwise
- matrix factorization
- distance function
- dimensionality reduction
- semi supervised clustering
- computer vision
- learning tasks
- recommendation algorithms
- multi task
- subject to linear constraints
- reinforcement learning
- face recognition
- semi supervised learning
- data points
- pattern recognition
- neural network
- machine learning and pattern recognition
- mahalanobis metric
- data sets