PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are just too many factors that can cause leaks such as improper installation, out of square, wind loads, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usglassmag.com