PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Excepting, if necessary, propositions in which all the subjects are such signs as these, no proposition can be expressed without the use of Indices.(n1) If, for example, a man remarks, Why, it is raining! it is only by some such circumstances as that he is now standing here looking out at a window as he speaks, which would serve as an Index (not, however, as a Symbol) that he is speaking of this
http://www.w3.org/ns/prov#wasQuotedFrom
  • existentialgraphs.com