PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Another approach to converting biomass to hydrogen comes from two scientists at the Pacific Northwest National Laboratory who are developing a new reforming technique.
http://www.w3.org/ns/prov#wasQuotedFrom
  • greencarcongress.com