About: http://webisa.webdatacommons.org/120864970

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	???Unlike most countries, the U.S. has no formal passport control checkpoint for those exiting the country, especially for those traveling by air or sea.
http://www.w3.org/ns/prov#wasQuotedFrom	wikitravel.org