With the help of the authorization concepts of OODM, this paper proposes the deducing implicit authorization model and introduces its implementation in application domain.

• 借助于面向对象的数据模型 (OODM)中的授权概念,提出了在关系型数据库模型下的隐式授权推导模型,并介绍了这种模型的具体实现与应用。