PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Generally: if HTML is not needed from some user-facing form, filter it out; for example, there is no reason to allow anything other than integers when storing a phone number.
http://www.w3.org/ns/prov#wasQuotedFrom
  • datasift.com