【摘要】 尽管GIS和空间数据库已经存在了 30多年 ,但是直到近几年时间维才引起计算科学和地理界同行们的广泛关注 ,这是现实的客观需求 ,也是GIS深入发展的必然趋势 ;本文综述了近段时期在时空方面基本的表达和分析方法 ,望对同行有所裨益。更多还原

【Abstract】 Although GIS and geographic database have exited over 30 years ,Only within past few years, the addition of the temporal dimension has gained significant amount of attention. This has been driven by the need of fact .The paper reviews the the basic representation of spatio-temporal approaches recently.更多还原