PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I would say that the true value of the vast majority of content is zero. (If it weren't, people would actually, you know, pay for it.) The advertising that accompanies content is an attempt to artificially inflate the price of a good that should be zero.
http://www.w3.org/ns/prov#wasQuotedFrom
  • metafilter.com