About: http://webisa.webdatacommons.org/19101285

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	Among roughly fifty-five million immigrants who have, in historic times, come to what is no the United States, nearly seven out of ten came from Europe, and other people came from Africa as slaves.
http://www.w3.org/ns/prov#wasQuotedFrom	yale.edu