Health insurance fraud detection by using an attributed heterogeneous information network with a hierarchical attention mechanism.
Jiangtao LuKaibiao LinRuicong ChenMin LinXin ChenPing LuPublished in: BMC Medical Informatics Decis. Mak. (2023)
Keyphrases
- fraud detection
- health insurance
- attention mechanism
- outlier detection
- information networks
- heterogeneous information networks
- social network analysis
- data mining techniques
- cost sensitive
- visual attention
- heterogeneous networks
- network analysis
- data mining
- health care
- online auctions
- real world
- multiple types
- intrusion detection
- saliency map
- knowledge discovery
- social media
- high level
- social networks