Probabilistic Ontology and Knowledge Fusion for Procurement Fraud Detection in Brazil.
Rommel N. CarvalhoKathryn B. LaskeyPaulo Cesar G. da CostaMarcelo LadeiraLaécio L. SantosShou MatsumotoPublished in: URSW (2009)
Keyphrases
- fraud detection
- domain knowledge
- data mining techniques
- knowledge base
- network intrusion detection
- knowledge representation
- cost sensitive
- domain ontology
- credit card fraud
- semantic information
- probabilistic model
- knowledge management
- credit card
- bayesian networks
- social network analysis
- semantic web
- rare events
- data mining