PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If any of these are the kind of use case you are looking for, tools such as Dropbox, Box, and CMS systems like Drupal can be of use.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackexchange.com