About: http://webisa.webdatacommons.org/190245194

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 guess I can dig into that a bit, though both of the ones mostly impacted by this issue are behind login walls, and provide either PDF or ePub downloads (along with random URLs).
http://www.w3.org/ns/prov#wasQuotedFrom	mobileread.com