| http://www.w3.org/ns/prov#value | - I only partly agree - school comparisons are irrelevant since there you *must* read and *must* participate, otherwise you do not graduate; also in school there is a sort of "shared goals and levels - after all you did not discuss graduate 503 class book 1 with grade 8 class so to speak and maybe not even with undergraduate 201; online you just do not generally know who you are talking with unless
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