知识图谱可解释推理研究综述
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靳小龙,E-mail:jinxiaolong@ict.ac.cn

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国家自然科学基金资助项目(61772501,62002341,U1911401,U1836206);国家重点研发计划项目(2018YFC0825205)


A Survey of Interpretable Reasoning on Knowledge Graphs
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    摘要:

    面向知识图谱的知识推理旨在通过已有的知识图谱事实,去推断新的事实,进而实现知识库的补全。近年来,尽管基于分布式表示学习的方法在推理任务上取得了巨大的成功,但是他们的黑盒属性使得模型无法为预测出的事实做出解释。所以,如何设计用户可理解、可信赖的推理模型成为了人们关注的问题。本文从可解释性的基本概念出发,系统梳理了面向知识图谱的可解释知识推理的相关工作,具体介绍了事前可解释推理模型和事后可解释推理模型的研究进展;根据可解释范围的大小,本文将事前可解释推理模型进一步细分为全局可解释的推理和局部可解释的推理;在事后解释模型中,本文回顾了推理模型的代表方法,并详细介绍提供事后解释的两类解释方法。此外,本文还总结了可解释知识推理在医疗、金融领域的应用。随后,本文对可解释知识推理的现状进行概述,最后展望了可解释知识推理的未来发展方向,以期进一步推动可解释推理的发展和应用。

    Abstract:

    Reasoning over knowledge graphs aims to infer new facts based on known ones, so as to make the graphs as complete as possible. In recent years, distributed embedding-based reasoning methods have made great success on this task. However, due to their black-box nature, these methods cannot provide interpretability for a specific prediction. Therefore, there has been a growing interest in how to design user-understandable and user-trustworthy reasoning models. Starting from the basic concept of interpretability, this paper systematically studies the recently developed methods for interpretable reasoning on knowledge graphs. Specifically, it introduces the research progress of ante-hoc and post-hoc interpretable reasoning models. According to the scope of interpretability, ante-hoc interpretable models can be further divided into local-interpretable and global-interpretable models. In post-hoc interpretable reasoning models, this paper reviews representative reasoning methods and introduces two post-hoc interpretation methods in detail. Next, it also summarizes the application of explainable knowledge reasoning in such fields as finance and healthcare. Then, this paper summarizes the current situation in explainable knowledge learning. Finally, the future technological development of interpretable reasoning models is prospected.

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侯中妮,靳小龙,陈剑赟,官赛萍,王元卓,程学旗.知识图谱可解释推理研究综述.软件学报,,():0

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  • 收稿日期:2021-03-08
  • 最后修改日期:2021-09-22
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  • 在线发布日期: 2021-12-24
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