PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The problem you face, of course, is that if the website is subscription-only, you lose most potential readers off the bat, and if it is free, even most readers who think the site is worth supporting will feel that it is too much of a hassle to donate.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com