Cost Sensitive GNN-based Imbalanced Learning for Mobile Social Network Fraud Detection.
Xinxin HuHaotian ChenHongchang ChenShuxin LiuXing LiShibo ZhangYahui WangXiangyang XuePublished in: CoRR (2023)
Keyphrases
- cost sensitive
- fraud detection
- active learning
- multi class
- cost sensitive classification
- learning process
- misclassification costs
- social network analysis
- cost sensitive learning
- binary classification
- class imbalance
- learning algorithm
- class distribution
- social networks
- outlier detection
- learning problems
- credit card
- rare events
- naive bayes
- credit card fraud detection
- intrusion detection
- reinforcement learning