PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Aging infrastructure ??? crumbling bridges, highways, water mains and gas lines ??? has become a major concern in recent years, especially in older cities in the Northeast, and has been blamed for explosions, floods and other accidents.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wavy.com