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Browsing South African Computer Journal 1992(7) by Subject "Equivalence class"

Browsing South African Computer Journal 1992(7) by Subject "Equivalence class"

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  • Melton, A; Shenoi, S (South African Computer Society (SAICSIT), 1992)
    It is often the case that a major concern with databases is security. In this paper we introduce a new model for database security. The basic idea of this new model is that answers to queries are based on equivalent data ...

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