PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Why do some men experience pregnancy symptoms such as vomiting and nausea when their wives are pregnant? - Scientific American
http://www.w3.org/ns/prov#wasQuotedFrom
  • scientificamerican.com