| 水文信息共享空间数据仓库模型研究 |
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| 引用本文： | 项丽媛.水文信息共享空间数据仓库模型研究[J].农业与技术,2007,27(1):101-104. |
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| 作者姓名： | 项丽媛 |
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| 作者单位： | 辽宁省汤河水库管理局,辽宁,辽阳,111000 |
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| 摘 要： | 为解决水文信息共享问题,本文从分析水文数据本身固有的特性出发,建立了基于空间数据仓库的具有多层维度和度量属性的水文信息共享数据模型,结合面向对象的思想,提出水文信息单元,并探讨了以之建立水文信息数据仓库的方案。
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| 关 键 词： | 水文信息共事 空间数据仓库 多维数据模型 水文信息单元 元数据 |
Hydrological Data Sharing Based On Spatial Data Warehouse |
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| XIANG Li-yuan.Hydrological Data Sharing Based On Spatial Data Warehouse[J].Agriculture & Technology,2007,27(1):101-104. |
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| Authors: | XIANG Li-yuan |
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| Abstract: | To solve all the problems involved in hydrological data sharing,in this paper,in light of the char-acteristics of hydrological data,a modal of multi dimensions and measures based on the spatial data warehouse is worked out.To describe and manage above-mentioned modal a method named hydrological data unit,u-tilizing the entity,which emphasize the characteristics of time and space and the attributes consisted of hy-drological and sharing information is proposed on the basis of object.Then a perfect project on we hydrologi-cal data sharing constructing of hydrological data unit based on spatial data warehouse and Internet platform(or IHISS) is proposed. |
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| Keywords: | hydrological data sharing spatial data warehouse modal of multi dimensions hydrological data unit metadata |
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