About: http://webisa.webdatacommons.org/357583139

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	You can buy books from places other than Amazon - Baen, Smashwords, Project Gutenberg (okay, they are free, but still).
http://www.w3.org/ns/prov#wasQuotedFrom	mobileread.com