The entity-relationship model—toward a unified view of data
ACM Transactions on Database Systems (TODS) - Special issue: papers from the international conference on very large data bases: September 22–24, 1975, Framingham, MA
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The topic of this paper can be considered as a derivation of the interaction between university and high school with business and industry. A new application of a conceptual tool is presented for learning and teaching purposes. This semantic instrument originates from the methodologies of data base projects but is particularly advantageous in mental learning processes and can also be the starting point for a successive mechanization.