PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • bracket 10 where food or other material from the oral cavity could collect, thereby improving overall hygiene.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com