About: http://webisa.webdatacommons.org/100467036

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	The piece of code that actually reads or writes a Book is a Backend, actually a derivative of AbstractBackend.
http://www.w3.org/ns/prov#wasQuotedFrom	crosswire.org