About: http://webisa.webdatacommons.org/114242731

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 called ???heavy rail??? systems include operations like the London Underground, the Paris RER and the extensive suburban rail systems of many major cities around the world including New York and Chicago.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com