PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They categorized couples as using the IUD, the pill, the condom, traditional methods (periodic abstinence or withdrawal) or other methods" (e.g., ointments, suppositories and spermicides); the IUD, the pill and the condom were designated as effective methods, whereas traditional and other methods were considered less effective.
http://www.w3.org/ns/prov#wasQuotedFrom
  • guttmacher.org