一种基于对象快照模型的时空查询原子模型

doi:10.13209/j.0479-8023.2015.008

北京大学学报（自然科学版） ›› 2015, Vol. 51 ›› Issue (4): 755-762.DOI: 10.13209/j.0479-8023.2015.008

一种基于对象快照模型的时空查询原子模型

刘岳峰;康葳

北京大学遥感与地理信息系统研究所, 北京大学空间信息集成与3S 工程应用北京市重点实验室, 北京 100871;

收稿日期:2014-05-16 修回日期:2014-06-07 出版日期:2015-07-20 发布日期:2015-07-20
刘岳峰
基金资助:
863 计划(2009AA12Z217)资助

An Atomic Model of Spatiotemporal Query Based on Object-Oriented Snapshot Model

LIU Yuefeng;KANG Wei

Institute of Remote Sensing and Geographic Information System, Peking Key Lab of Spatial Information Integration and Its Applications, Peking University, Beijing 100871;

Received:2014-05-16 Revised:2014-06-07 Online:2015-07-20 Published:2015-07-20
About author:LIU Yuefeng

摘要/Abstract

摘要： 基于对象快照模型, 在分析时空对象最基本时空特征的基础上, 定义时间范围、空间范围、时空范围、时间关系、空间关系和属性状态6 个基本查询元素。在此基础上, 以时间为主轴, 定义原子查询类型, 并提出基于原子类型构造新类型的方法。对基本元素和原子查询的定义不涉及应用级语义, 使其具有良好的系统性和适应性; 同时具有明确的GIS 表达, 使其具备可实现性。研究成果可以作为时态GIS 中时空查询接口实现的基础和依据。

关键词: 对象快照模型, 时空查询模型, 时态GIS

Abstract: By analyzing the fundamental spatiotemporal characteristics of spatiotemporal objects, six query primitives, which are temporal range, spatial range, spatiotemporal range, temporal relation, spatial relation and attribute state, are proposed based on object-oriented snapshot model. Centered on time, atomic queries are defined, and approaches to constructing complex queries from these atomic queries are proposed. On the purpose of rendering the proposed query model more systematic and adaptable, application semantics are not considered in defining query primitives and atomic queries. In addition, owing to its clear expressiveness in GIS, the model possesses considerable implementability and can serve as the foundation and basis of implementations of spatiotemporal query interfaces in temporal GIS.

Key words: object-oriented snapshot model, spatiotemporal query model, temporal GIS

中图分类号:

P208

刘岳峰;康葳. 一种基于对象快照模型的时空查询原子模型[J]. 北京大学学报（自然科学版）, 2015, 51(4): 755-762.

LIU Yuefeng;KANG Wei. An Atomic Model of Spatiotemporal Query Based on Object-Oriented Snapshot Model[J]. , 2015, 51(4): 755-762.

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链接本文: https://xbna.pku.edu.cn/CN/10.13209/j.0479-8023.2015.008

https://xbna.pku.edu.cn/CN/Y2015/V51/I4/755

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一种基于对象快照模型的时空查询原子模型

An Atomic Model of Spatiotemporal Query Based on Object-Oriented Snapshot Model

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