arXiv:2506.14772cs.DBcs.LG2025-06被引 5

SimBank通过模拟银行贷款流程,为预测性流程监控提供可量化评估的基准工具。

SimBank: from Simulation to Solution in Prescriptive Process Monitoring

  • 构建银行贷款流程仿真器,支持在线与离线方法对比测试
  • 能生成每种干预的真实结果,突破真实数据集局限
  • 适合流程挖掘与因果机器学习研究者使用

预测性流程监控(PresPM)是流程挖掘中的新兴领域,致力于通过实时干预优化流程以支持有效决策。当前研究存在两大局限:方法间缺乏充分比较,评估手段不足。为此,我们提出SimBank——一个针对PresPM方法的仿真基准平台。该平台模拟银行贷款申请流程,包含多种复杂度的干预优化问题,并支持关键因果机器学习挑战实验,如评估方法对数据混淆因素的鲁棒性。SimBank可为每个测试用例生成每种干预下的真实结果,这是传统记录数据集无法实现的。平台融合并行活动与循环结构,基于常见日志生成贴近真实场景的实例。概念验证实验表明,SimBank能有效支持多种PresPM方法在不同干预策略下的对比,具有公开可用性,可推动PresPM研究与实践发展。

原文摘要 · Abstract (English)

Prescriptive Process Monitoring (PresPM) is an emerging area within Process Mining, focused on optimizing processes through real-time interventions for effective decision-making. PresPM holds significant promise for organizations seeking enhanced operational performance. However, the current literature faces two key limitations: a lack of extensive comparisons between techniques and insufficient evaluation approaches. To address these gaps, we introduce SimBank: a simulator designed for accurate benchmarking of PresPM methods. Modeled after a bank's loan application process, SimBank enables extensive comparisons of both online and offline PresPM methods. It incorporates a variety of intervention optimization problems with differing levels of complexity and supports experiments on key causal machine learning challenges, such as assessing a method's robustness to confounding in data. SimBank additionally offers a comprehensive evaluation capability: for each test case, it can generate the true outcome under each intervention action, which is not possible using recorded datasets. The simulator incorporates parallel activities and loops, drawing from common logs to generate cases that closely resemble real-life process instances. Our proof of concept demonstrates SimBank's benchmarking capabilities through experiments with various PresPM methods across different interventions, highlighting its value as a publicly available simulator for advancing research and practice in PresPM.

流程挖掘仿真评估预测监控

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