PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are a large number of important applications in fields such as medicine and manufacturing.General principlesSince ancient times, people have used methods of separating and purifying chemical substances for improving the quality of life.
http://www.w3.org/ns/prov#wasQuotedFrom
  • britannica.com