PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If a worker borrows money to get some training that then increases his wage, the interest that the worker pays comes from his wage, and so that interest is a return to labor.
http://www.w3.org/ns/prov#wasQuotedFrom
  • progress.org