http://www.w3.org/ns/prov#value | - ider four factors: the purposes and character of the use, including whether the use is of a commercial nature or is for nonprofit educational purposes; the nature of the copyrighted work; the amount and substantiality of the portion used in relation to the copyrighted work as a whole; and the effect of the use upon the potential market for and value of the copyrighted work.In an analysis of the lo
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