PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For what it is worth, by some modern standards (United Nations 1956 Supplementary Convention on the Abolition of Slavery) serfdom was in any case a form of slavery, so European peasants below freemen lived under broadly slave-like conditions even if they weren't actually bought and sold.
http://www.w3.org/ns/prov#wasQuotedFrom
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