PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • E=K/r, where E is the electric-field intensity, K is a constant, and r is the distance in inches from the source.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com