PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • rking class??? jobs that are heavy on labor. but through college education, on the job training, and other factors, people can shift out of the ???working class.???
http://www.w3.org/ns/prov#wasQuotedFrom
  • disinfo.com