空间数据研究的发展及对策

摘要

随着地理信息科学和地理信息系统的发展，空间数据先后经历数据生产、数据质量、数据不确定性和可用性4个研究阶段。在分析各阶段研究内容和方法的基础上，深入分析空间数据现有研究间的联系与区别，并给出未来的研究对策。%With the development of geographic information science and GIS ,spatial data has experienced the following study stages:production ,data quality ,uncertainty and usability .Reviewing the study content and methods of each stage ,it analyses the relations and differences between the spatial data study and also proposes the countermeasures for the future study .