PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Unfortunately while PDF is an open standard it is still essentially a proprietary format and is generally regarded as unsuitable for preservation (see Guides to Good Practice for a fuller discussion), consequently PDF/A has become widely accepted as a viable alternative for preserving PDF content (e.g. Library of Congress).
http://www.w3.org/ns/prov#wasQuotedFrom
  • archaeologydataservice.ac.uk