PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • That is, there is a need for well cement compositions and methods whereby the set cement has improved mechanical properties including elasticity and ductility and failures due to pipe movement, impacts and shocks are reduced or prevented.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com