对象管理系统中的概念模式框架

The paper discusses an important concept in the field of data bases,that is conceptualschema framework.First,the paper defines the concept of framework,and discusses two key terms:an universe of discourse(UOD)and a conceptual schema(CS).Then,we classify the instancesand objects,define a paradigm describing the UOD and CS,and arrive at the conceptual schemaframework(CSF).Finally,the paper discusses some problems of modeling paradigm and implemen-tation paradigm.And the paper is closed out by discussing some applications of this framework.