| http://www.w3.org/ns/prov#value | - I mean, really, $70 for a book which prob??a??bly is a col??lec??tion of arti??cles and posts that are avail??able on the inter??net and prob??a??bly largely builds on pack??ages like chain lad??der and actuar, which are also pro??vided free of charge?
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