About: http://webisa.webdatacommons.org/419963914

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 the course of the 15th century, due to Portugal???s conquests in Africa, dozens of thousands of Negroes were brought to the country, especially to Lisbon.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com