Diagram Taxonomies
A Taxonomy is useful only to the ones that use it.
A simple diagrammatic taxonomy can be based on the diagrammatic domain.
Several researchers have focused on a variety of diagrammatic aspects and have proposed respective classifications.
Efforts to categorise diagrams have created a large set of taxonomies.
Alan. Blackwel * has proposed a taxonomy of taxonomies :
* http://www.mrc-cbu.cam.ac.uk/projects/twd/mypapers/TwD98.html