About: http://webisa.webdatacommons.org/100848716

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	This is done a bit for slabs and stairs and some other cases, by not generating a face if it is fully covered.
http://www.w3.org/ns/prov#wasQuotedFrom	realtimerendering.com