PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Cleaning gutters once a year ??? after plenty of leaves, twigs and other debris have piled up ??? helps prevent problems such as water damage, roof damage and flooding.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hillsdale.net