PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Someone threw in a password parsing rule to prevent XSS. Obviously there are much much better ways to doing this, but this shows that some of these policies are an attempt to sanitize user provided data before doing any further processing of it.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackexchange.com