PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • PFCs are ubiquitous chemicals produced around the world and are used in many products such as glues, Teflon pans, and food packaging.
http://www.w3.org/ns/prov#wasQuotedFrom
  • lssu.edu