PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • but are subject to and qualified by substantial risks, uncertainties and other factors, which are difficult to predict and are often beyond our control.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sec.gov