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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	PDF document properties such as title, subject, author, keywords can be modified with Tweak PDF.
http://www.w3.org/ns/prov#wasQuotedFrom	soft5000.com