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基于分布式数据仓库的土地利用现状数据库 被引量：1

The Database of Land Use Based on Distributed Data Warehouse
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摘要 国土资源局的土地利用现状图库具有数据量大、统一管理速度慢、统计分析难以实现的问题.土地利用现状图的统一管理策略问题一直是国土部门的难题.针对这个问题,笔者分析了土地利用现状图中的分布式数据仓库的数据库建设模型、局部数据仓库的建模和土地利用现状分布式数据仓库的技术体系结构,解决了土地利用数据库信息的有效组建问题,并利用现状分布式数据仓库系统的并行运算达到提高图形处理速度的目的. The map database of land use in the bureau of national territory resources has the weakness of large amounts of data, low speed, very difficult analysis. The management of land use map is a difficult problem in the bureau of national territory resources. Aiming at this problem, in detail analyzed the establishment of the model of the distributed data warehouse in the map of land use, the establishment of model of partial data warehouse, and the construction of distributed data warehouse technique system of land use. This article availably organized the database information of land use, lay the foundation for the parallel calculation in the distributed data warehouse system of land use and improved the running speed of the system.
作者 汪维华 汪维清
机构地区 重庆文理学院数学与计算机科学系 西南大学荣昌校区信息与管理系
出处 《重庆文理学院学报（自然科学版）》 2008年第1期19-23,共5页 Journal of Chongqing University of Arts and Sciences
基金 重庆文理学院重点科研资助项目(Z2006SJ32)
关键词 图元 土地利用现状图 分布式计算 数据仓库 graphic primitive map of land use distributed computing data warehouse
分类号 TP311.133.1 [自动化与计算机技术—计算机软件与理论]
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重庆文理学院学报（自然科学版）
2008年 第1期

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