PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The industrial urban poor lived in absolute squalor, and alcohol was an extremely serious social problem because it destroyed families.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonmonthly.com