The E-R Approach

  • George Tillmann


The sciences do not try to explain, they hardly even try to interpret, they mainly make models. By a model is meant a mathematical construct which, with the addition of certain verbal interpretations, describes observed phenomena.


Unify Modeling Language Entity Class Logical Definition Database Concept Verbal Interpretation 

Copyright information

© George Tillmann 2017

Authors and Affiliations

  • George Tillmann
    • 1
  1. 1.Ship BottomUSA

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