PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some vaccines contain polyethylene glycol, a polymer used in many personal care products, such as skin creams and toothpaste.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com