PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Today the embraced commoditization is in advertising, with standardized metrics such as CPM. But this makes money through directed attention, not directly from content.
http://www.w3.org/ns/prov#wasQuotedFrom
  • typepad.com