Fuzzy Darwinian Detection of Credit Card Fraud

Abstract

Credit evaluation is one of the most important and difficult tasks for credit card companies, mortgage companies,banks and other financial institutes. Incorrect credit judgement causes huge financial losses. This work describes theuse of an evolutionary-fuzzy system capable of classifying suspicious and non-suspicious credit card transactions.The paper starts with the details of the system used in this work. A series of experiments are described, showing thatthe complete system is capable of attaining good accuracy and intelligibility levels for real data.