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- Keywords Miyun Reservoir;Shixia catchment;non-point source pollution;GIS spatial database; 密云水库;石匣小流域;非点源污染;GIS空间数据库;
- Digital Geoscientific Data in Tasmania,Australia Attributes Description and Manipulation for Integration of the GIS Spatial Database 澳大利亚塔斯马尼亚地学数据属性描述与GIS空间数据库的集成管理
- GIS spatial database 活断层探测
- GIS spatial database updating GIS数据库更新
- Jing Ning, born in 1963.Professor and Ph.D. Supervisor.His main research interests include GIS and spatial database. 景宁,1963年生,教授,博士生导师,主要研究方向为地理信息系统、空间数据库。
- Based on the GIS spatial information analysis function, the SLF is studied. 然后根据实际馈线路径和配网GIS图形分层，运用图层叠加分析得到馈线的实际供电范围；
- So, basing on the research of CORBA model and distributed spatial database, integrating computer supported cooperative work (CSCW), the paper adopts four tiers architectural structure to construct the distributed GIS. 本文在深入研究CORBA规范和计算机支持协同工作(CSCW)的基础上，采用四层的体系结构构建分布式GIS。
- Selectivity Estimation is the base of spatial database query optimizer. 选择性估计是设计空间数据库查询优化器的基础。
- Since distributed spatial database will be the main data source of Internet GIS, we have to cope with the intercommunication between heterogeneous databases and systems. 摘要随着空间数据获取能力的飞速发展，分布式存储管理的空间数据库将成为网络GIS的主要数据源。
- The relationships between topographic factors,various land cover types and the land surface temperature were analyzed using GIS spatial analysis tools. 运用GIS空间分析工具,分析了地表温度与地形特征和地表覆盖类型之间的关系。
- The relationships between topographic factors, various land cover types and the land surface temperature were analyzed using GIS spatial analysis tools. 运用GIS空间分析工具，分析了地表温度与地形特征和地表覆盖类型之间的关系。
- This paper presents a knowledge representation for GIS spatial data, describes all kinds of spatial relations between spatial objects using 4-tuples models and 9-tuples models. 摘要探讨了GIS空间数据的知识表示结构，使用四元组和九元组模型来进行各类型的空间属性关系描述。
- Design Idea on Spatial Database of Railway GIS 铁路GIS空间数据库的设计思想
- SDB: A Distribute GIS Oriented Spatial Database SDB:一个面向分布式GIS的空间数据库?
- Spatial database for railway is the foundation of Railway Geographic Information System (RGIS). 摘要铁路空间数据库是铁路地理信息系统(RGIS)的基础。
- On the basis of the GIS spatial data-base and the economic index of business industry,this paper presents a conjunct development model ofCBD and business industry by constructing a Bos-ton Matrix using SPSS. 在综合GIS空间数据库和商务产业经济指标的基础上,应用SPSS等方法优化,进一步建立波士顿矩阵,提出CBD与商务产业联动发展的理论分析模型,以此研究城市CBD的演化规律,将CBD的空间发展与城市商务产业的经济发展有机地结合起来。
- It can handle spatial data and spot any-shape clusters in a noised spatial database by dividing them into clusters with high enough density. 该算法将具有足够高密度的区域划分为簇,并可以在带有“噪声”的空间数据库中发现任意形状的聚类。
- SDM is different from the classical data mining in that spatial database have its own characters compared with relational database (RDB). 空间数据有许多不同于非空间数据的特性，使得空间数据挖掘与一般数据挖掘相比亦有其鲜明的特征。
- This paper classify a series of methods on spatial database index, and introduce the QR-tree index structure with very large spatial database. 在综述现有空间数据库索引技术的基础上，提出了一种面向大型空间数据库的QR-树索引方法。
- The data storage is based on RDS, design spatial database under the direction of object oriented concept and realize object storage. 数据的存储是以现有的关系数据库为基础,以面向对象的思想为指导来设计空间数据库,实现对象的存储。
