About: http://webisa.webdatacommons.org/290449614

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	Nelson Mandela is a South African anti-apartheid revolutionary and politician who served as President of South Africa from 1994 to 1999.
http://www.w3.org/ns/prov#wasQuotedFrom	microsoft.com