PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Solar on the other hand is a relatively new technology that is advancing hugely with new research, yielding higher output per square inch, less expensive cells, and flexible panels, even new ways to make roof tiles and windows generate power.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wsj.com