Abstract：By analyzing the characterastics and limitations of several typical spatialtemporal data models, the expanding methods of spatial-temporal data model of base state with amendments w ere thought suitable for the many fields of application(i. e. land management information system ). It was suggested that present state sub-database, flow -database, flow-track sub-database and historical subdatabase should be used to describe the spatialtem poral process and relationship. A commercial land registration management system was developed using the given methods.
刘仁义1,刘 南1,苏国中2 . 时空数据库基态修正模型的扩展
[J]. 浙江大学学报（理学版）, 2000, 27(2): 196-200.
LIU Ren-yi1,LIU Nan1,SU Guo-zhong2 . Analyzing of several typical spatial-temporal data models and expanding of spatial-temporal data models of base state with amendments. . Journal of ZheJIang University(Science Edition), 2000, 27(2): 196-200.