PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Earlier this year, Harvard scientists and engineers demonstrated a new type of battery that could make power from renewable energy sources such as wind and solar far more economical and reliable.
http://www.w3.org/ns/prov#wasQuotedFrom
  • energymanagertoday.com