PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Similarities between wage labor and slavery were noted as early as Cicero in Ancient Rome.[11] With the advent of the industrial revolution, thinkers such as Proudhon and Marx elaborated the comparison between wage labor and slavery in the context of a critique of societal property not intended for active personal use,[12][13] while Luddites emphasized the dehumanization brought about by machines.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org