PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In this sense, a woman who misses a period because she is pregnant may falsely attribute her irregularity to stress and other upsetting factors in her life.Fertility matters.
http://www.w3.org/ns/prov#wasQuotedFrom
  • howstuffworks.com