摘要
在数字孪生流域建设背景下,建立水利要素之间的关系离不开知识图谱技术的支持。然而,传统的知识图谱通常只表达语义关系,忽略了水利要素之间的空间位置关系。以流域生态流量预警问题为背景,在知识图谱的基础上融合地理要素,通过九交模型算法构建地理要素间的空间关系,提出了顾及地理要素的流域生态流量预警知识图谱的自动构建及其分析方法,并以汉江流域为例,建立了汉江流域生态流量预警知识图谱。应用结果表明,顾及地理要素的知识图谱能够实现流域生态流量预警知识图谱的自动建模,同时可以对预警成因以及管控措施进行分析和评价。
In the context of digital twin basins,the relationships between water conservancy elements can be represented by knowledge graph technology.However,the traditional knowledge graph only expresses semantic relationships,the spatial relationships between water conservancy elements are usually ignored.Under the conditions of ecological flow forewarning,integrating geographical elements on the basis of knowledge graph and constructing the spatial relationship between geo-graphical elements by 9-Intersection Model algorithm,the automatic construction and analysis methods of knowledge graph of ecological flow forewarning considering geographical elements are proposed.Taking the Hanjiang River Basin as an exam-ple,the knowledge graph considering geographical elements can simulate the ecological flow warning system automatically.At the same time,the knowledge graph can be used to analyze the factors of ecological flow warnings and evaluate the effect of the measures against warnings.
作者
杨华伟
沈红霞
蔡思宇
王超
朱健锋
YANG Huawei;SHEN Hongxia;CAI Siyu;WANG Chao;ZHU Jianfeng(School of Geography,Liaoning Normal University,Dalian 116029,China;Information Center,Ministry of Water Resources,Beijing 100053,China;China Institute of Water Resources and Hydropower Research,Beijing 100038,China)
出处
《华北水利水电大学学报（自然科学版）》
北大核心
2023年第4期39-46,共8页
Journal of North China University of Water Resources and Electric Power：Natural Science Edition
基金
国家自然科学基金青年项目(52209045)
国家重点研发计划项目(2021YFC3000205)
辽宁省科学事业公益研究基金(软科学)项目(2021JH4/10100060)。
关键词
生态流量预警
知识图谱
地理要素
汉江流域
九交模型算法
ecological flow forewarning
knowledge graph
geographical elements
Hanjiang River Basin
9-Intersection Model algorithm
作者简介
第一简介:杨华伟(1999-),女,硕士研究生,从事水利信息化方面的研究。E-mail:yyanghw@163.com;通信作者:朱健锋(1988-),男,满族,讲师,博士,从事水利信息化方面的研究。E-mail:zjf014@lnnu.edu.cn。
