نتایج جستجو برای: credit cards fraud detection

تعداد نتایج: 610495  

Journal: :International Journal of Engineering & Technology 2018

Journal: :IEEE Access 2021

Credit card fraud jeopardizes the trust of customers in e-commerce transactions. This led recent years to major advances design automatic Fraud Detection Systems (FDS) able detect fraudulent transactions with short reaction time and high precision. Nevertheless, heterogeneous nature behavior makes it difficult tailor existing systems different contexts (e.g. new payment systems, countries and/o...

Journal: :Computers, Materials & Continua 2019

Journal: :International Journal for Research in Applied Science and Engineering Technology 2020

Journal: :International Journal on Cryptography and Information Security 2012

1999
Cristina Chesta Pietro Laface Franco Ravera

In this paper we show that accurate HMMs for connected word recognition can be obtained without context dependent modeling and discriminative training. We train two HMMs for each word that have the same, standard, left to right topology with the possibility of skipping one state, but each model has a different number of states, automatically selected. The two models account for different speaki...

Journal: :EURASIP J. Adv. Sig. Proc. 2014
Turky N. Alotaiby Saleh A. Alshebeili Tariq Alshawi Ishtiaq Ahmad Fathi E. Abd El-Samie

Epilepsy patients experience challenges in daily life due to precautions they have to take in order to cope with this condition. When a seizure occurs, it might cause injuries or endanger the life of the patients or others, especially when they are using heavy machinery, e.g., deriving cars. Studies of epilepsy often rely on electroencephalogram (EEG) signals in order to analyze the behavior of...

2014
Lukasz A. Drozd Ricardo Serrano-Padial

This Appendix contains an overview of debt collection technologies in the U.S. and its recent evolution. In the first section we summarize how debt is collected in the U.S. Section 2 focuses on collection technology and its recent evolution. The last section describes the data sources used in the analysis. 1 Overview of the Debt Collection Process in the US We briefly describe the debt collecti...

2000
Michael Fritscher Oliver Kump

Online payments in business-to-consumer electronic commerce are mainly made with credit cards. Fraud and chargebacks are a significant issue for merchants and payment card brands, due to widespread use of unsecured or partially secured credit card transactions. The Secure Electronic Transaction (SET) protocol may not only provide a high security level. It also enables productivity improvements ...

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