PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The electrodes are commonly made of indium-tin-oxide, which is not very cost-effective as indium is a rare and expensive material.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ecoseed.org