GAT-COBO: Cost-Sensitive Graph Neural Network for Telecom Fraud Detection.
Xinxin HuHaotian ChenJunjie ZhangHongchang ChenShuxin LiuXing LiYahui WangXiangyang XuePublished in: CoRR (2023)
Keyphrases
- cost sensitive
- fraud detection
- neural network
- misclassification costs
- cost sensitive learning
- multi class
- credit card fraud detection
- binary classification
- credit card
- cost sensitive classification
- active learning
- class distribution
- naive bayes
- social network analysis
- class imbalance
- outlier detection
- support vector machine
- k nearest neighbor
- social networks
- information retrieval
- databases