About: http://webisa.webdatacommons.org/416600707

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	Not just the minor stuff either: major undergraduate standard texts are hitting the service, along with medical and other reference books from the two publishers.
http://www.w3.org/ns/prov#wasQuotedFrom	gearcrave.com