Using ASP for knowledge management with user authorization
Data & Knowledge Engineering
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This paper is to investigate the implementation of security mechanism in object oriented database system. Formal methods play an essential role in computer security due to its powerful expressiveness and concise syntax and semantics. In this paper, both issues of specification and implementation in database security environment will be considered; and the database security is achieved through the development of an efficient implementation of the specification without compromising its originality and expressiveness.