About: http://webisa.webdatacommons.org/439664489

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	However, they can probably still work out how long you stayed, for example by comparing the date of your US entry stamp against the entry record for the next country you entered.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net