This is the data model implied by the wire frame Platform UI found at http://pixeltheoryinc.com/clients/sage/platform/
circa Dec. 2010
The source file for the image is attached and the tool for editing it can be freely downloaded:http://www.umlet.com/
Open Questions:
- are data-sets associated with projects? if so, is the association optional?
Can a ds be associated with multiple projects?
(Note the "DatasetMyers" screen says "Projects Using this Dataset" suggesting
there's a "uses" relationship bet. projects and ds's.)
...