A graph-based contrastive learning framework for medicare insurance fraud detection.
Song XiaoTing BaiXiangchong CuiBin WuXinkai MengBai WangPublished in: Frontiers Comput. Sci. (2022)
Keyphrases
- fraud detection
- outlier detection
- network intrusion detection
- learning process
- data mining techniques
- credit card fraud detection
- intrusion detection
- social network analysis
- cost sensitive
- data mining
- learning algorithm
- credit card
- rare events
- active learning
- support vector
- knowledge discovery
- supervised learning
- reinforcement learning
- information retrieval
- machine learning