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Learning to Predict Charges for Legal Judgment via Self-Attentive Capsule Network

机译:学习通过自我细分胶囊网络预测法律判断的收费

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With the rapid development of deep learning technology, more and more traditional industries are changed by Artificial Intelligence. The legal industry is such a popular scenario which attracts lots of researchers' interests. In this work, we focus on automatic charge prediction, which predicts the final charges according to the given fact descriptions in criminal cases. It is crucial for legal assistant systems and can help the judges improve work efficiency greatly. However, extremely imbalanced data distribution and lengthy fact descriptions make this task especially challenging. To tackle these two issues, we propose a novel model, namely Self-Attentive Capsule Network (dubbed as SAttCaps). In particular, we devise a self-attentive dynamic routing, which can not only capture long-range dependency more directly than vanilla dynamic routing, but also learn the high-level generalized features better. The experimental results on three real-world datasets demonstrate that our model significantly outperforms the baselines and creates new state-of-the-art performance. Moreover, our model performs much better than the baselines especially in the low-frequency charges and can bring 5.7% absolute improvement under F1 score.
机译:随着深度学习技术的快速发展,人工智能改变了越来越多的传统产业。法律行业是一种受欢迎的情景,吸引了许多研究人员的利益。在这项工作中,我们专注于自动充电预测,这预测了根据刑事案件的给定的事实描述的最终收费。这对法律助理系统至关重要,可以帮助评委大大提高工作效率。但是,极其不平衡的数据分布和冗长的事实描述使得这项任务尤其具有挑战性。为了解决这两个问题,我们提出了一种新颖的模型,即自我细致的胶囊网络(称为Sattcaps)。特别是,我们设计了一种自我关注的动态路由,它不仅可以比香草动态路由更直接地捕获远程依赖性,而且还可以更好地了解高级广义功能。三个真实世界数据集的实验结果表明,我们的模型显着优于基线并创造了新的最先进的性能。此外,我们的模型比在低频费用上的基线表现得多,并且在F1得分下可以带来5.7%的绝对改善。

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