About: http://webisa.webdatacommons.org/326978063

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	This sort of error can occur if you ignore the warning telling you to restart calibre after updating a plugin... other than that, the plugin is working perfectly fine for both me and other users as shown above.
http://www.w3.org/ns/prov#wasQuotedFrom	mobileread.com