PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ???It has to do with Homeland Security and they are especially critical of the railroads since they usually are moving materials they don???t want on the roads; acids, petroleum, coal etc.???
http://www.w3.org/ns/prov#wasQuotedFrom
  • forconstructionpros.com