About: http://webisa.webdatacommons.org/20265077

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	In 1970, a 5 percent sample of households was asked to indicate whether their origin was Mexican, Puerto Rican, Cuban, Central or South American, or other Spanish.
http://www.w3.org/ns/prov#wasQuotedFrom	gwu.edu