PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Maybe nanotubes could give us a breakthrough in solar cells, just maybe; but do not forget that even if we could have cells at zero cost, a solar plant would still cost money because of all the rest that is needed, from supports to the electronics.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.co.uk