About: http://webisa.webdatacommons.org/19669911

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	Johannesburg???s OR Tambo International Airport serves 18 million passengers a year and is the busiest airport on the African continent.
http://www.w3.org/ns/prov#wasQuotedFrom	iexplore.com