CONCEPT DESIGN MODEL OF OBJECT-ORIENTED SPATIAL DATABASE BASED ON PETRI NET
基于Ｐｅｔｒｉ网的面向对象型空间数据库概念设计模型

It is a inevitable trend for the development of database which is bulit with object-oriented database technology,especial in GIS.The principl of Petri net and the traditional methods of the concept design model for the spatial database are introduced and the concept design model of object-oriented spatial database based on Petri nets is presented,in which the model diagram can be mapped into the data tabulation of object-relationship.