About: http://webisa.webdatacommons.org/269197580

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	In the case of 'interactive' material, life is made complicated as there is a difference between the required feature being part of the ISO PDF specification and actually being implemented by a free viewer.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com