PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The energy density is too low (requiring massive amounts of land), there???s no viable way to provide 24/7 reliability (thus it must be backed up by ???conventional??? power), the materials required are mostly sourced in China, and it???s simply not cost-competitive.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pjmedia.com