PU GNN: Chargeback Fraud Detection in P2E MMORPGs via Graph Attention Networks with Imbalanced PU Labels.
Jiho ChoiJunghoon ParkWoocheol KimJin-Hyeok ParkYumin SuhMinchang SungPublished in: ECML/PKDD (6) (2023)
Keyphrases
- fraud detection
- rare events
- network intrusion detection
- outlier detection
- edge weights
- credit card fraud detection
- cost sensitive
- social network analysis
- credit card
- data mining techniques
- credit card fraud
- link discovery
- online auctions
- data mining
- intrusion detection
- class distribution
- social networks
- pairwise
- weighted graph
- training data
- complex networks
- data sets
- knowledge discovery
- decision trees
- databases