About: http://webisa.webdatacommons.org/244245751

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 am not saying this is your problem but is the most common issue when other reasons for it not reading new discs cannot be found.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com