基于强化学习的知识图谱综述

被引:94
作者
马昂 [1 ]
于艳华 [1 ]
杨胜利 [2 ]
石川 [1 ]
李劼 [1 ]
蔡修秀 [1 ]
机构
[1] 北京邮电大学计算机学院(国家示范性软件学院)
[2] 中国人民解放军国防大学
基金
国家重点研发计划;
关键词
知识图谱; 强化学习; 命名实体识别; 关系抽取; 知识推理; 知识表示; 知识融合;
D O I
暂无
中图分类号
TP391.1 [文字信息处理]; TP181 [自动推理、机器学习];
学科分类号
120506 [数字人文]; 140502 [人工智能];
摘要
知识图谱是一种用图结构建模事物及事物间联系的数据表示形式,是实现认知智能的重要基础,得到了学术界和工业界的广泛关注.知识图谱的研究内容主要包括知识表示、知识抽取、知识融合、知识推理4部分.目前,知识图谱的研究还存在一些挑战.例如,知识抽取面临标注数据获取困难而远程监督训练样本存在噪声问题,知识推理的可解释性和可信赖性有待进一步提升,知识表示方法依赖人工定义的规则或先验知识,知识融合方法未能充分建模实体之间的相互依赖关系等问题.由环境驱动的强化学习算法适用于贯序决策问题.通过将知识图谱的研究问题建模成路径(序列)问题,应用强化学习方法,可解决知识图谱中的存在的上述相关问题,具有重要应用价值.首先梳理了知识图谱和强化学习的基础知识.其次,对基于强化学习的知识图谱相关研究进行全面综述.再次,介绍基于强化学习的知识图谱方法如何应用于智能推荐、对话系统、游戏攻略、生物医药、金融、安全等实际领域.最后,对知识图谱与强化学习相结合的未来发展方向进行展望.
引用
收藏
页码:1694 / 1722
页数:29
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