About: http://webisa.webdatacommons.org/377004145

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	From the 1970s to the mid-1990s, formal systems were introduced in towns and cities such as La Rochelle, Copenhagen, Helsinki, Portsmouth and Cambridge.
http://www.w3.org/ns/prov#wasQuotedFrom	ft.com