About: http://webisa.webdatacommons.org/226699732

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	it is not supported by anything else, except a vague statement I found that up to that many people might be in the buildings over the course of a day.
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com