About: http://webisa.webdatacommons.org/43680923

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	I do not think it is an error so much as the difference between how files types are interpreted by Adobe or Windows or Mac.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com