空间拓扑关系若干问题研究现状的评析
Spatial Topological Relationships: An Overview and Analysis
查看参考文献66篇
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文摘
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空间拓扑关系是GIS研究中的基础性问题. 其对空间数据的存储与表达、空间查询分析与实际应用等都具有重要的意义. 从空间拓扑关系认知与语义、空间拓扑关系形式化表达、空间拓扑关系推理、时空拓扑关系表达几个方面介绍拓扑关系的研究现状,特别对空间拓扑关系形式化表达,一直是国内外GIS研究的一个热点,存在交叉、区域连接演算、二维字符串等模型;讨论了拓扑关系最新的研究方向,针对当前模型无法表达复杂的点、线、面间拓扑关系的突出问题;探讨了复杂空间拓扑关系描述研究的思路,根据实际中地理目标的不确定性和模糊性特点,介绍了不确定对象的拓扑关系表达的一些研究动向 |
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其他语种文摘
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Topological spatial relationship is the basis of GIS research issue, and is of great importance to spatial data storage and expression, spatial query and analysis and practical application. Spatial cognition and semantics of topological relations, spatial expression of topological relations, topological relations reasoning, and spatio-temporal topological relations are introduced as several aspects of research. Especially, formal expression of spatial topological relations has been a hot topic in GIS, among which RCC (Region Connection Calculus), Intersection Model, 2D-String Model and so on are well known. Some recentstudies, focusing around the complex object, expression of to pological relations between uncertain objects, aremainly discussed. Since currentmodels can hardly representmore complex point, line and region, they mustbe improved or extended. Foruncertainty and ambiguity are some of natural characteristics ofgeographic objects, it is essential to describe to pological relation ships between uncertain objects. In addition, some recent research literatures also address the to pological relationship between three-dimensional objects, moving objects, etc. Summing up the above, the representation of topological relationships is a complex issue, which related to geographic, GIS, computergraphics and otherdisciplines of knowledge. Although the studies of topological spatial relations have made progress, there are still some problems. It is to be enhanced in future studies that the more practically topological relation models are applied to solve problems in real works |
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来源
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地球信息科学学报
,2010,12(4):524-531 【扩展库】
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关键词
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拓扑关系
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拓扑关系推理
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时空拓扑关系
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不确定对象
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地址
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南京师范大学, 虚拟地理环境教育部重点实验室, 南京, 210046
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1560-8999 |
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学科
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自然地理学 |
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基金
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国家自然科学基金重点项目
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江苏省高校自然科学基础研究项目
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文献收藏号
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CSCD:3980538
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66
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