Cost-Sensitive GNN-Based Imbalanced Learning for Mobile Social Network Fraud Detection.
Xinxin HuHaotian ChenHongchang ChenShuxin LiuXing LiShibo ZhangYahui WangXiangyang XuePublished in: IEEE Trans. Comput. Soc. Syst. (2024)
Keyphrases
- cost sensitive
- fraud detection
- active learning
- social network analysis
- class imbalance
- cost sensitive learning
- multi class
- misclassification costs
- cost sensitive classification
- class distribution
- binary classification
- social networks
- learning process
- data mining techniques
- credit card fraud detection
- rare events
- outlier detection
- credit card
- learning algorithm
- reinforcement learning
- machine learning
- data mining