PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Impurities such as catalysts, short linear polymers, and small cyclics can remain depending on the stringency of the purification technique employed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com