PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The two piping types most commonly used for irrigation systems are white PVC (polyvinyl chloride) and ???black roll pipe ??? (polyethylene).
http://www.w3.org/ns/prov#wasQuotedFrom
  • clemson.edu