Sequential fraud detection for prepaid cards using hidden Markov model divergence.
William N. RobinsonAndrea AriaPublished in: Expert Syst. Appl. (2018)
Keyphrases
- hidden markov models
- fraud detection
- sequential data
- outlier detection
- credit card fraud detection
- data mining techniques
- cost sensitive
- social network analysis
- data mining
- speech recognition
- conditional random fields
- hidden states
- online auctions
- handwritten word recognition
- viterbi algorithm
- hidden state
- pairwise
- intrusion detection
- markov model
- association rules
- data analysis
- active learning