PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • He adds that the cost remains ???quite high, compared with competing technologies such as wind ??? but it???s the first attempt, and the price may come down in the future???.
http://www.w3.org/ns/prov#wasQuotedFrom
  • worldchanging.com