About: http://webisa.webdatacommons.org/45166862

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	To facilitate Interactive Legends that contain 3D elements such as walls, windows, doors, roofs, slabs etc., a blank Worksheet is set up with a Trace Reference to a special Plan view of these 3D elements.
http://www.w3.org/ns/prov#wasQuotedFrom	acbestpractices.com