About: http://webisa.webdatacommons.org/131198321

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	In fact, I would go so far to say that this collective development effort, in terms of the sheer volume of structures being built at one time, is an event unmatched in human history.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com