PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, some of the active pharmaceutical ingredient and other raw materials are currently available from a single source and others may in the future become available from only one source.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sec.gov