About: http://webisa.webdatacommons.org/400974636

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	The hamburger is an American institution, having been enjoyed by throes of people in the United States for decades.
http://www.w3.org/ns/prov#wasQuotedFrom	calendars.com