PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The number of treads or steps that one has includes the top tread or platform, so for example a 6 tread platform, has 5 treads and the platform at the top, while a 6 tread swing back has 5 treads that can be stood on plus the very top of the ladder.
http://www.w3.org/ns/prov#wasQuotedFrom
  • laddersalesdirect.co.uk