PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The slats are typically made from a variety of materials, such as metal, wood, plastic or other materials and supported by ladders. [0003] Such blinds also typically include a tilt mechanism to enable the slats to move from a horizontal position to a nearly vertical position to open and close the blinds to affect the passage of light.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com