Improving fraud detection with semi-supervised topic modeling and keyword integration.
Marco Sánchez-AguayoLuis Urquiza-AguiarPublished in: PeerJ Comput. Sci. (2024)
Keyphrases
- fraud detection
- topic modeling
- semi supervised
- topic models
- outlier detection
- credit card fraud detection
- cost sensitive
- text classification
- data mining techniques
- latent dirichlet allocation
- keywords
- credit card
- supervised learning
- text mining
- labeled data
- social network analysis
- pairwise
- data mining
- semi supervised learning
- intrusion detection
- collaborative filtering
- active learning
- information retrieval
- probabilistic topic models
- unlabeled data
- probabilistic model
- real world
- search engine
- data streams
- generative model
- database
- knowledge discovery