MedFroDetect: Medicare Fraud Detection with Extremely Imbalanced Class Distributions.
Yuping SuXingquan ZhuBei DongYumei ZhangXiaojun WuPublished in: FLAIRS Conference (2020)
Keyphrases
- fraud detection
- imbalanced class distribution
- imbalanced datasets
- cost sensitive
- class imbalance
- rare events
- class distribution
- rare class
- imbalanced data sets
- data mining techniques
- outlier detection
- data mining
- social network analysis
- imbalanced data
- active learning
- cost sensitive learning
- intrusion detection
- multi class
- misclassification costs
- learning algorithm
- databases
- online auctions
- detection algorithm
- machine learning
- feature extraction