<http://schema.org/description>
"Envisioning Information was recommended to me by a friend as a way to improve how I think about and design visualisations. Although less popular than his other work Visual Display Quantitative Information (which is still on my to-read list), this..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.maori.geek.nz/book_edward_r_tufte_envisioning_information/>