PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Use sex toys that are made from non-porous, chemically inert materials such as glass, steel, aluminum, ceramic,and 100% pure silicone (many products say they are made from silicone, but are actually a blend of silicone and other materials).
http://www.w3.org/ns/prov#wasQuotedFrom
  • mysexprofessor.com