PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When you employ three million people and you do not pay very well, it is hard to keep a field fully staffed, especially in locales (rural communities, tough urban schools) that are not too enticing and in subjects such as math and science where well-qualified individuals can earn big bucks doing something else.
http://www.w3.org/ns/prov#wasQuotedFrom
  • threesources.com