PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • four lines. two points intersect. each point, except one, is the intersection of two lines.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mathhomeworkanswers.org