About: http://webisa.webdatacommons.org/318805486

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	But for books it is excellent, saving money on books and selection is the best feature.
http://www.w3.org/ns/prov#wasQuotedFrom	head-fi.org