PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ok here is a crazy idea (I am a computer scientist so this is a little outside my field): superheat organic material in low-ox to get the carbon structure.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arstechnica.com