PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • And, even after the abolition of the British slave trade in 1807, Liverpool continued to trade with two sides of the great slave triangle - with Africa, particularly in palm oil, and with the US and the Caribbean in goods such as cotton and sugar, produced, of course, by slave labour.
http://www.w3.org/ns/prov#wasQuotedFrom
  • liverpoolmuseums.org.uk