About: http://webisa.webdatacommons.org/188371260

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	So far, they have over 150 submissions, including Berlin, Kiev, Portland, Bogota, Tokyo, and Cape Town.See also:
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com