PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mix some cement, sand, and gravel (usually one part cement, two of sand, and three of gravel is a good mix) directly on the sidewalk or a piece of your scrap lumber.
http://www.w3.org/ns/prov#wasQuotedFrom
  • motherearthnews.com