TeMP-TraG: Edge-based Temporal Message Passing in Transaction Graphs

• URL: http://arxiv.org/abs/2503.16901v1
• Date: Fri, 21 Mar 2025 07:10:27 GMT
• Title: TeMP-TraG: Edge-based Temporal Message Passing in Transaction Graphs
• Authors: Steve Gounoue, Ashutosh Sao, Simon Gottschalk,
• Abstract summary: Transaction graphs can reveal patterns indicative of financial crimes like money laundering and fraud.<n>We propose TeMP-TraG, a novel graph neural network mechanism that incorporates temporal dynamics into message passing.<n>We demonstrate that TeMP-TraG improves four state-of-the-art graph neural networks by 6.19% on average.
• Score: 1.79424680938667
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Transaction graphs, which represent financial and trade transactions between entities such as bank accounts and companies, can reveal patterns indicative of financial crimes like money laundering and fraud. However, effective detection of such cases requires node and edge classification methods capable of addressing the unique challenges of transaction graphs, including rich edge features, multigraph structures and temporal dynamics. To tackle these challenges, we propose TeMP-TraG, a novel graph neural network mechanism that incorporates temporal dynamics into message passing. TeMP-TraG prioritises more recent transactions when aggregating node messages, enabling better detection of time-sensitive patterns. We demonstrate that TeMP-TraG improves four state-of-the-art graph neural networks by 6.19% on average. Our results highlight TeMP-TraG as an advancement in leveraging transaction graphs to combat financial crime.

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