About: http://webisa.webdatacommons.org/87497162

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	Many U.S. cities, including New York, Philadelphia and Chicago, followed and began installing the police surveillance cameras in the early 1990s.
http://www.w3.org/ns/prov#wasQuotedFrom	securitycameraking.com