About: http://webisa.webdatacommons.org/439307037

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	Most of the PDF's I have d/l would from googlebooks have been scanned in a way that makes each page a sort of picture of the original (I can not think of any that were not thus).
http://www.w3.org/ns/prov#wasQuotedFrom	mobileread.com