PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Energy grids in their current state are considered particularly inefficient, especially in the US, because arguably there are a large number of regulations and cost prohibitive roadblocks that have stalled its development over the last 40 years.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com