GraphFAS: A Distributed System for Automated Graph Feature Generation and Selection in Industrial Transaction Networks

• URL: http://arxiv.org/abs/2609.08970v1
• Date: Tue, 08 Sep 2026 16:20:43 GMT
• Title: GraphFAS: A Distributed System for Automated Graph Feature Generation and Selection in Industrial Transaction Networks
• Abstract summary: We propose GraphFAS, a distributed feature selection procedure based on Boruta.<n>It constructs explicit, interpretable structural features via multi-hop subgraph extraction and multi-scale aggregation.<n>It robustly identifies informative features at scale with minimal domain expertise.
• Score: 20.33838358303743
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Industrial fraud detection often relies on costly expert-crafted features that overlook graph-structured relational signals, while GNNs often do not meet the interpretability and deployment requirements of financial risk control. We propose GraphFAS (Graph Feature Automated Selection), a distributed feature selection procedure based on Boruta that bridges this gap through: (1) a non-parametric graph feature generation module that constructs explicit, interpretable structural features via multi-hop subgraph extraction and multi-scale aggregation without learned parameters; and (2) an automated distributed feature selection algorithm extending Boruta with median-based aggregation across partitions to robustly identify informative features at scale with minimal domain expertise. Compared with end-to-end GNN pipelines, GraphFAS decouples feature aggregation from model training, enabling direct integration with tabular models and direct compatibility with TreeSHAPbased explanations. Deployed in Alipay, GraphFAS delivers orderof-magnitude improvements in engineering efficiency while showing strong performance against expert-driven and graph-learning baselines on large-scale graphs.

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