PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In other situations natural language may be used.
Constraint is a condition (a Boolean expression) that restricts the extension of the associated element beyond what is imposed by the other language constructs applied to the element.
http://www.w3.org/ns/prov#wasQuotedFrom
  • eclipse.org