By using such a model, the spatio-temporal data of the cadastre management information system was organized by the division of historical layers and the present-day layers.

• 第三部分在不改变原有的数据库的存储结构的条件下；运用基态修正法；通过定义时态对象来构造宗地数据时空模型；据此在宗地层区分现状层和历史层来对时态数据进行数据组织.