About: http://webisa.webdatacommons.org/18423035

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	Several large cities, such as London, New York and Chicago, present these activities as their main sources of revenues and of employment and income generation.
http://www.w3.org/ns/prov#wasQuotedFrom	scirp.org