Credit Card Fraud Detection Using Hybrid Proximal Policy Optimization and Artificial Bee Colony Optimization with Mutual Learning.

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Title: Credit Card Fraud Detection Using Hybrid Proximal Policy Optimization and Artificial Bee Colony Optimization with Mutual Learning.
Authors: Yuanyuan Zhang1 zhangyy4935@163.com
Source: Informatica (03505596). Mar2026, Vol. 50 Issue 1, p3-23. 21p.
Subjects: Credit card fraud, Bees algorithm, Reinforcement learning, Online marketplaces, Artificial neural networks
Abstract (English): The surge in e-commerce has intensified credit cardfraud, resulting in massive global losses and creating an urgent need for stronger detection systems. This research presents an advanced model for detecting credit cardfraud to address challenges often overlooked, such as class imbalance and sensitivity to initial parameter settings. Our model leverages an artificial neural network (ANN) to extract feature vectors necessary for accurate fraud detection. We utilize proximal policy optimization (PPO) to address class imbalance during training of the ANN. PPO improves the treatment of minority classes by assigning higher rewards for correct predictions and more substantial penalties for errors. This approach leads to more balanced learning. Additionally, our model incorporates a mutual learning-based artificial bee colony (ML-ABC) algorithm for efficiently pre-training the parameters of the ANN. Experiments on the Universite Libre de Bruxelles credit card dataset show that the proposed approach achieves 90.197% accuracy and an F-measure of 91.287%. It outperforms the best existing method by about 3%. These results highlight the robustness of the model and its potential for real-world e-commerce fraud detection. [ABSTRACT FROM AUTHOR]
Abstract (Slovenian): Raziskava predstavlja napreden model za zaznavanje goljufij s kreditnimi karticami, ki izboljšuje natančnost in presega obstoječe metode. [ABSTRACT FROM AUTHOR]
Copyright of Informatica (03505596) is the property of Slovene Society Informatika and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: Credit Card Fraud Detection Using Hybrid Proximal Policy Optimization and Artificial Bee Colony Optimization with Mutual Learning.
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  Data: <searchLink fieldCode="AR" term="%22Yuanyuan+Zhang%22">Yuanyuan Zhang</searchLink><relatesTo>1</relatesTo><i> zhangyy4935@163.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Informatica+%2803505596%29%22">Informatica (03505596)</searchLink>. Mar2026, Vol. 50 Issue 1, p3-23. 21p.
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  Data: <searchLink fieldCode="DE" term="%22Credit+card+fraud%22">Credit card fraud</searchLink><br /><searchLink fieldCode="DE" term="%22Bees+algorithm%22">Bees algorithm</searchLink><br /><searchLink fieldCode="DE" term="%22Reinforcement+learning%22">Reinforcement learning</searchLink><br /><searchLink fieldCode="DE" term="%22Online+marketplaces%22">Online marketplaces</searchLink><br /><searchLink fieldCode="DE" term="%22Artificial+neural+networks%22">Artificial neural networks</searchLink>
– Name: Abstract
  Label: Abstract (English)
  Group: Ab
  Data: The surge in e-commerce has intensified credit cardfraud, resulting in massive global losses and creating an urgent need for stronger detection systems. This research presents an advanced model for detecting credit cardfraud to address challenges often overlooked, such as class imbalance and sensitivity to initial parameter settings. Our model leverages an artificial neural network (ANN) to extract feature vectors necessary for accurate fraud detection. We utilize proximal policy optimization (PPO) to address class imbalance during training of the ANN. PPO improves the treatment of minority classes by assigning higher rewards for correct predictions and more substantial penalties for errors. This approach leads to more balanced learning. Additionally, our model incorporates a mutual learning-based artificial bee colony (ML-ABC) algorithm for efficiently pre-training the parameters of the ANN. Experiments on the Universite Libre de Bruxelles credit card dataset show that the proposed approach achieves 90.197% accuracy and an F-measure of 91.287%. It outperforms the best existing method by about 3%. These results highlight the robustness of the model and its potential for real-world e-commerce fraud detection. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label: Abstract (Slovenian)
  Group: Ab
  Data: Raziskava predstavlja napreden model za zaznavanje goljufij s kreditnimi karticami, ki izboljšuje natančnost in presega obstoječe metode. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Informatica (03505596) is the property of Slovene Society Informatika and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.31449/inf.v50i1.8099
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      – Code: eng
        Text: English
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        PageCount: 21
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    Subjects:
      – SubjectFull: Credit card fraud
        Type: general
      – SubjectFull: Bees algorithm
        Type: general
      – SubjectFull: Reinforcement learning
        Type: general
      – SubjectFull: Online marketplaces
        Type: general
      – SubjectFull: Artificial neural networks
        Type: general
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      – TitleFull: Credit Card Fraud Detection Using Hybrid Proximal Policy Optimization and Artificial Bee Colony Optimization with Mutual Learning.
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              M: 03
              Text: Mar2026
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              Y: 2026
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