PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Is there really another option other than using a compact, efficient, high temperature, highly scalable, carbon-free energy source to reduce the ions?
http://www.w3.org/ns/prov#wasQuotedFrom
  • realclimate.org