PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Retrograde ejaculation is a condition in which the semen flows into the bladder instead of outside the body through the urethra.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com