面向实体的空间数据模型

叶亚琴; 左泽均; 陈波

Volume 31 Issue 5

Sep. 2006

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YE Ya-qin, ZUO Ze-jun, CHEN Bo, 2006. Orient-Entity Spatial Data Model. Earth Science, 31(5): 595-599.

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YE Ya-qin, ZUO Ze-jun, CHEN Bo, 2006. Orient-Entity Spatial Data Model. Earth Science, 31(5): 595-599.

YE Ya-qin, ZUO Ze-jun, CHEN Bo, 2006. Orient-Entity Spatial Data Model. Earth Science, 31(5): 595-599.

Citation:

YE Ya-qin, ZUO Ze-jun, CHEN Bo, 2006. Orient-Entity Spatial Data Model. Earth Science, 31(5): 595-599.

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Orient-Entity Spatial Data Model

YE Ya-qin^{1, 2
,},
ZUO Ze-jun^{1, 2},
CHEN Bo^{2, 3}

1.
Faculty of Information Engneering, China University of Geosciences, Wuhan 430074, China
2.
Wuhan Zondy Cyber-Tech Co., Ltd., Wuhan 430074, China
3.
Graduate School, China University of Geosciences, Wuhan 430074, China

Received Date: 2006-05-30
Publish Date: 2006-09-25

Abstract

Abstract

The spatial data model is basic to the research of GIS. New generation large-scale GIS has high levels of data, complex topology relations and many data categories. In order to meet these requirements, we propose a new kind of GIS data model: the orient-entity spatial data model. An entity is the basic, representative object in this model. The advantages are a strong ability for representation and semantics, expression and transformation of semantics, and realization with ease. This paper introduces the data model from the sides of the spatial data management and the concept data model. A system with this model can strengthen its ability of representation to real world objects, and rationalizing data organization.
- GIS,
- spatial data model,
- orient-entity spatial data model

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References(9)

References

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陈静, 张树文, 2003. 第三代空间数据模型及其实现. 三晋测绘, 10 (2): 7-8. https://www.cnki.com.cn/Article/CJFDTOTAL-SJCH200302001.htm

东凯, 方裕, 2004. 空间数据库模型概念与结构研究. 地理信息世界, 2 (2): 15-16. https://www.cnki.com.cn/Article/CJFDTOTAL-CHRK200402002.htm

郭利川, 郭建星, 2005. 浅谈地理信息系统中的空间数据模型. 地理空间信息, 3 (1): 37. https://www.cnki.com.cn/Article/CJFDTOTAL-DXKJ200501012.htm

吴信才, 2004. 新一代MAPGIS. 地理信息世界, 2 (2): 4-5.

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沈阳化工大学材料科学与工程学院沈阳 110142

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