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Data Model for Yale Modelling Research    
Here is some interesting background to the diagrams on this page.

We would be glad to have your comments.
If you are new to Data Models, this page of my new Tutorial will help you understand the Data Model.
I created this Model because I have recently received a few requests a few requests for assistance with a
number of unrelated research initiatives aimed at improving the features and functionality of the
availability of the kind of Modelling packages that can produce ERDs.

Here's something interesting from David Venturi who created his own Master's Degree in Data Science.

Wikipedia's definition of Data Modelling

Full blue stack (from Joe Blitzstein at Harvard)

Here is My Semantic Layer

Barry Williams
Principal Consultant
Database Answers Ltd.
London, England
February 10th. 2018

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