About: http://webisa.webdatacommons.org/291279148

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 those days even London was a comparatively small city, with just over a million residents - today we have 26 mega-cities in the world, each with populations over 10 million.
http://www.w3.org/ns/prov#wasQuotedFrom	yale.edu