PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But as soon as people, whose production still moves within the lower forms of slave-labour, corv??e-labour, &c., are drawn into the whirlpool of an international market dominated by the capitalistic mode of production, the sale of their products for export becoming their principal interest, the civilised horrors of over-work are grafted on the barbaric horrors of slavery, serfdom, &c.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikisource.org