PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Later we shall see that the solution of the problem can be formalized in a general way which covers solutions for both kinds of trees, as special cases.
http://www.w3.org/ns/prov#wasQuotedFrom
  • haskell.org