PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Typically, chemical etching is a very fast but expensive process due to the procedures required to responsibly store, manage and dispose of the chemicals used in the process.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mmsonline.com