PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • EnergyThe addition of renewable energy to power grid requires flexibilitySolar panels, wind turbines, electric vehicles, and other green power sources are proliferating rapidly, but their reliable integration into the existing electric grid is another story.
http://www.w3.org/ns/prov#wasQuotedFrom
  • homelandsecuritynewswire.com