PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mills that sprung up in places like Lawrence, Mass., and clothing factories that took hold in Lower Manhattan encountered problems such as child labor, unsafe working conditions and unscrupulous employers that plagued much mass manufacturing in the early days of industrialization and led to Progressive Era reforms and the call for unionized collective bargaining.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wwd.com