PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • How you count whether someone accessed the resource located behind the link is a different problem, though (and not related to TeX).
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackexchange.com