Fraud Detection for Random Walks.
Varsha DaniThomas P. HayesSeth PettieJared SaiaPublished in: ITCS (2024)
Keyphrases
- random walk
- fraud detection
- outlier detection
- credit card fraud detection
- network intrusion detection
- cost sensitive
- credit card
- data mining techniques
- social network analysis
- markov chain
- directed graph
- data mining
- intrusion detection
- spam detection
- databases
- online auctions
- reinforcement learning
- learning algorithm
- data sets
- transition probability matrix
- markov random walk
- information retrieval
- spectral methods