| http://www.w3.org/ns/prov#value | - Hmmm, perhaps that might be good fodder for a critical paper?As always, David, I appreciate your perspective and viewpoint of the importance of elegant presentation, and your continued advocacy of including CAS systems as early as practicable in education.CraigAs a post-script that is back on topic:I believe the blog was an excellent example of the power of combining data with graphics.
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