PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The company began work on developing the production system, preliminarily focusing on a more efficient method of carrying out the weathering process, i.e. bringing the stabilizing column to the correct freezing temperature for cracking.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chemweek.com