About: http://webisa.webdatacommons.org/437384291

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	Stairway Types - Describes the various types of stairways and requirements for for each type such as spiral, winder, and circular.
http://www.w3.org/ns/prov#wasQuotedFrom	juneau.org