About: http://webisa.webdatacommons.org/217544157

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Examples of the construction are shown in FIG. 22, where d0, dL and d2 represent the height of the steps and P represents the pitch of the steps (distance between adjacent two steps).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com