摘要
针对传统空间信息系统建模方法无法对时空对象之间的整体/部分关系进行有效表达的问题,该文提出了一种面向时空对象的组成结构建模方法。从关系角度和相互作用角度对时空对象的组成结构进行形式化描述;以具有典型组成结构语义描述信息的行政区划实体为例,基于其基本特征设计了顾及组成结构层级信息表达和相互作用传递的逻辑数据模型和数据联动策略。以河南省及其所辖地市和县区为实例,分别构建了省级对象、地市级对象和县区级对象及其之间的组成结构,对行政区划统计属性更新和隶属关系变更等场景进行了模拟实验。基于行政区划的实验结果表明:提出的组成结构建模方法能够支持父子对象间相互作用的传导和对象数据联动更新等功能,为空间信息系统中行政区划更为有效的组织管理和辅助决策提供理论和技术支持。
According to the fact that there are few effective modeling methods for the expression of whole/part relations among spatio-temporal objects in traditional spatial information systems,this paper presented a modeling method of composition structure for spatio-temporal objects.Firstly,the formal description of composition structure of spatio-temporal objects was summarized from the perspective of relation and interaction.Taking the administrative division entities which contain semantic description of composition structure as the study case,the logical data model and the strategy of data update were designed based on their basic characteristics.With Henan province and the cities and counties under its jurisdiction as the experiment subjects,this paper modeled the provincial object,city object and county object and their composition structures respectively,and carried out simulation experiments on the updating of statistical attributes and changing of jurisdiction relations of administrative divisions.The results show that the proposed method can enable the transmission of interaction between parent and child objects and the cascaded update of object data,thus provide theoretical and technical support for more effective organization and management,as well as decision-making of administrative divisions in spatial information system.
作者
杨振凯
俞鑫楷
李响
张凯博
YANG Zhenkai;YU Xinkai;LI Xiang;ZHANG Kaibo(Institute of Geo-Spatial Information,Information Engineering University,Zhengzhou 450001,China;Troops 91998,Dalian,Liaoning 116041,China)
出处
《测绘科学》
CSCD
北大核心
2022年第11期215-222,共8页
Science of Surveying and Mapping
基金
国家重点研发计划项目(2021YFB3900900)
关键词
组成结构
行政区划
时空对象
相互作用
地理信息建模
composition structure
administrative divisions
spatio-temporal objects
interaction
geographic information modeling
作者简介
杨振凯(1993—),男,河南开封人,博士研究生,主要研究方向为时空大数据分析与可视化。E-mail:gisyzk@qq.com;通信作者:李响,副教授,E-mail:helloj2ee@126.com
