摘要： 探讨了基于关系型数据库存储XML权籍对象的方法和技术。分析了数据库存储XML数据的类型,论述了运用XML存储和管理权籍对象的可行性。基于GML规范建立了权籍对象的概念模型和逻辑模型,并根据XML权籍对象之间的关系,给出了将权籍对象转换到关系型数据库的方法,基于此实现了权籍对象空间关系的查询与应用。

关键词: 权籍空间数据, XML数据库, GML, 查询, GIS

Abstract: A new approach on spatial data storage and query based on XML database is proposed. The feasibility of storing and querying spatial data based on XML database is first analyzed, the storage schema based on XML database is therefore presented. The conceptual and logical models of cadastral spatial objects are derived based on geography markup language (GML). The method of transferring spatial objects to relational XML database is given in detail. The application of topology queries of the spatial objects in XML database is further illustrated. The methods are tested by a case study, leading to the conclusions.

中图分类号: 

• P208