Proposal of a logical model for statistical data base
作者： Maurizio Rafanelli , Fabrizio L. Ricci
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摘要: In this paper the Authors propose a logical model (called GRASS) for representing both properties of Statistical Data Base (S. D. B.) and tables view, which represent peculiar reality statistical user.The proposed consists marked, labeled, direct, connected, acyclic, partially ordered graph. For graph nodes semantics connection andbranchingrules are provided. A cognitive selective approach to how navigate through category attributes summary data given too. Finally, some facilities discussed comment is made.
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