About: http://webisa.webdatacommons.org/248990272

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	You can now add elements, such as windows, by drawing a smaller rectangle and drag-copying it ??? with the Perspective Selection tool ??? several times to make a row (or drag out one copy, then press Command + D to make a few more).
http://www.w3.org/ns/prov#wasQuotedFrom	tutsplus.com