Amatriciana: Exploiting Temporal GNNs for Robust and Efficient Money Laundering Detection
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866908398559166464 |
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| author | Di Gennaro, Marco Panebianco, Francesco Pianta, Marco Zanero, Stefano Carminati, Michele |
| author_facet | Di Gennaro, Marco Panebianco, Francesco Pianta, Marco Zanero, Stefano Carminati, Michele |
| contents | Money laundering is a financial crime that poses a serious threat to financial integrity and social security. The growing number of transactions makes it necessary to use automatic tools that help law enforcement agencies detect such criminal activity. In this work, we present Amatriciana, a novel approach based on Graph Neural Networks to detect money launderers inside a graph of transactions by considering temporal information. Amatriciana uses the whole graph of transactions without splitting it into several time-based subgraphs, exploiting all relational information in the dataset. Our experiments on a public dataset reveal that the model can learn from a limited amount of data. Furthermore, when more data is available, the model outperforms other State-of-the-art approaches; in particular, Amatriciana decreases the number of False Positives (FPs) while detecting many launderers. In summary, Amatriciana achieves an F1 score of 0.76. In addition, it lowers the FPs by 55% with respect to other State-of-the-art models. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2506_00654 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Amatriciana: Exploiting Temporal GNNs for Robust and Efficient Money Laundering Detection Di Gennaro, Marco Panebianco, Francesco Pianta, Marco Zanero, Stefano Carminati, Michele Cryptography and Security Machine Learning Money laundering is a financial crime that poses a serious threat to financial integrity and social security. The growing number of transactions makes it necessary to use automatic tools that help law enforcement agencies detect such criminal activity. In this work, we present Amatriciana, a novel approach based on Graph Neural Networks to detect money launderers inside a graph of transactions by considering temporal information. Amatriciana uses the whole graph of transactions without splitting it into several time-based subgraphs, exploiting all relational information in the dataset. Our experiments on a public dataset reveal that the model can learn from a limited amount of data. Furthermore, when more data is available, the model outperforms other State-of-the-art approaches; in particular, Amatriciana decreases the number of False Positives (FPs) while detecting many launderers. In summary, Amatriciana achieves an F1 score of 0.76. In addition, it lowers the FPs by 55% with respect to other State-of-the-art models. |
| title | Amatriciana: Exploiting Temporal GNNs for Robust and Efficient Money Laundering Detection |
| topic | Cryptography and Security Machine Learning |
| url | https://arxiv.org/abs/2506.00654 |