PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The question needs some tie-in to your commodity, and your treatment of it should at least recognize the historical depth of what you are treating and its global reach, but for the most part it is easier to zero in on something relatively specific in time and place and then recognize its larger implications, than to start with a huge question.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com