PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If supporting unemployed people is a (cost) problem, and not supporting them is also a problem, then unemployment itself is a problem, however indirectly you may wish to put it.
http://www.w3.org/ns/prov#wasQuotedFrom
  • perl.org