PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • still have unresolved technological, cost, or other hurdles and may require additional research and financial support to reach the market quickly enough to take full advantage of their potential benefits in the timeframe considered by this study (i.e., by 2025).
http://www.w3.org/ns/prov#wasQuotedFrom
  • watthead.org