arXiv:2508.12286cs.CL2025-08IJCAI

将法律逻辑融入深度学习,提升量刑预测的公正性与可解释性。

Incorporating Legal Logic into Deep Learning: An Intelligent Approach to Probation Prediction

  • 基于量刑双轨理论构建多任务法律模型
  • 在自建数据集上准确率显著优于基线模型
  • 适合司法智能化与法律AI研究者参考

缓刑是现代刑事司法中的关键制度,体现公平正义并促进社会和谐。然而当前智能司法辅助系统(IJAS)缺乏专门的缓刑预测方法,对影响缓刑资格的因素研究也较为有限。缓刑判定需综合考量犯罪情节与悔罪表现,而现有研究多依赖数据驱动,忽视司法决策中的法律逻辑。为此,本文提出一种将法律逻辑融入深度学习的新型缓刑预测方法,分三阶段实施:首先构建包含案情描述与缓刑法律要素(PLEs)的专用数据集;其次设计基于量刑双轨理论的多任务双理论缓刑预测模型(MT-DT);最后在该数据集上的实验表明,MT-DT模型性能优于基线模型,且法律逻辑分析进一步验证了方法的有效性。

原文摘要 · Abstract (English)

Probation is a crucial institution in modern criminal law, embodying the principles of fairness and justice while contributing to the harmonious development of society. Despite its importance, the current Intelligent Judicial Assistant System (IJAS) lacks dedicated methods for probation prediction, and research on the underlying factors influencing probation eligibility remains limited. In addition, probation eligibility requires a comprehensive analysis of both criminal circumstances and remorse. Much of the existing research in IJAS relies primarily on data-driven methodologies, which often overlooks the legal logic underpinning judicial decision-making. To address this gap, we propose a novel approach that integrates legal logic into deep learning models for probation prediction, implemented in three distinct stages. First, we construct a specialized probation dataset that includes fact descriptions and probation legal elements (PLEs). Second, we design a distinct probation prediction model named the Multi-Task Dual-Theory Probation Prediction Model (MT-DT), which is grounded in the legal logic of probation and the \textit{Dual-Track Theory of Punishment}. Finally, our experiments on the probation dataset demonstrate that the MT-DT model outperforms baseline models, and an analysis of the underlying legal logic further validates the effectiveness of the proposed approach.

司法AI缓刑预测法律逻辑多任务学习

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