PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Determinations of whether a particular use is fair include consideration of the purpose of the use (including whether the use is commercial or non-profit), the nature of the copyrighted work, the amount and substantiality of the portion used, and the effect of the use on the market for the copyrighted work.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bostonsings.org