PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention relates to a transportation device such as an escalator or moving walk and in particular to tread units, such as escalator steps or moving-walk pallets, used in such a transportation device.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com