Results 31 to 40 of about 34,999 (183)

A Hybrid Simulated Annealing and Back-propagation Algorithm for Feed-forward Neural Network to Detect Credit Card Fraud

open access: yesUHD Journal of Science and Technology, 2017
Due to the ascent and fast development of E-commerce, utilization of credit cards for online buys has significantly expanded, and it brought about a blast in the credit card fraud.
Ardalan Husin Awlla
doaj   +1 more source

Ensemble of Example-Dependent Cost-Sensitive Decision Trees [PDF]

open access: yes, 2015
Several real-world classification problems are example-dependent cost-sensitive in nature, where the costs due to misclassification vary between examples and not only within classes.
Aouada, Djamila   +2 more
core   +2 more sources

Credit Card Fraud Detection Using Perceptron Training Algorithm and Prevention Using One Time Password. [PDF]

open access: yes, 2015
In today’s world with evolving technologies and a new mode of shopping through online website, use of credit card has increased day by day. Since the credit card is more prone to fraud than debit card prevention of fraud is an important aspect.
, Prof. Gajanan Bherde, Ashwin Telang, Mehul Bhuva, Harsh Gajra, Ajit Patel
core   +2 more sources

The modus operandi of perpetrators for credit card fraud in the Vaal Region, South Africa

open access: yesCogent Social Sciences, 2021
Card payments in South Africa continue to be a predominant part of the National Payments System in an evolving payments ecosystem. Due to the growing volume of electronic payments, the monetary strain of credit card fraud is turning into a substantial ...
Witness Maluleke   +3 more
doaj   +1 more source

An Adversary Model of Fraudsters’ Behavior to Improve Oversampling in Credit Card Fraud Detection

open access: yesIEEE Access, 2023
Imbalanced learning jeopardizes the accuracy of traditional classification models, particularly for what concerns the minority class, which is often the class of interest.
Daniele Lunghi   +3 more
doaj   +1 more source

Multiple perspectives HMM-based feature engineering for credit card fraud detection

open access: yes, 2019
Machine learning and data mining techniques have been used extensively in order to detect credit card frauds. However, most studies consider credit card transactions as isolated events and not as a sequence of transactions.
Caelen, Olivier   +6 more
core   +1 more source

Outlier Mining Methods Based on Graph Structure Analysis [PDF]

open access: yes, 2019
Outlier detection in high-dimensional datasets is a fundamental and challenging problem across disciplines that has also practical implications, as removing outliers from the training set improves the performance of machine learning algorithms.
Almeira, Nahuel   +2 more
core   +3 more sources

A Credit Card Fraud Detection Method Based on Mahalanobis Distance Hybrid Sampling and Random Forest Algorithm

open access: yesIEEE Access
Currently, the continuous expansion of the credit card business and the increasingly fierce competition have made all kinds of fraud risks in the overall credit card business the biggest threat.
Zhichao Xie, Xuan Huang
doaj   +1 more source

An intelligent approach to detect and predict online fraud transaction using XGBoost algorithm [PDF]

open access: yes
The most popular payment method in recent years is the credit card. Due to the E-commerce industry’s explosive growth, the usage of credit cards for online purchases have been greatly increased as a result frauds has increased.
Bala, Bala Santhosh   +2 more
core   +2 more sources

IMPROVING CREDIT CARD FRAUD DETECTION USING TRANSFER LEARNING AND DATA RESAMPLING TECHNIQUES [PDF]

open access: yes, 2023
This Culminating Experience Project explores the use of machine learning algorithms to detect credit card fraud. The research questions are: Q1. What cross-domain techniques developed in other domains can be effectively adapted and applied to mitigate or
Vinarta, Charmaine Eunice Mena
core   +1 more source

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