PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is another object to provide such a valve which does not require sealing the gaskets or O-rings or other sealing means and which is adaptable to slip over standard flexible tubing.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com