PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, the parallelogram can be used to indicate waste paper, the triangle to indicate glass bottle, iron and other metals, the rectangle to indicate incinerated waste, the X-shape to indicate toxic chemical, the arrow to indicate biological waste, the hexagon to indicate glass bottle, iron and other metals, the square to indicate thermoplastic, the octagon to indicate thermosetting plastic,
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com