PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Otherwise the structure is a so-called skew field (better known as a division ring), although historically division rings were called fields and fields were commutative fields.The prototypical example of a field is Q, the field of rational numbers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • reference.com