PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • S2: one of my children is a boy, what is the probably that they both are boys" (A: 1/3)
http://www.w3.org/ns/prov#wasQuotedFrom
  • metafilter.com