About: http://webisa.webdatacommons.org/120525351

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	Until this point, e-book apps such as Amazon???s Kindle, Google Books, Barnes & Noble???s Nook, and Kobo allowed in-app purchases, but not through Apple.
http://www.w3.org/ns/prov#wasQuotedFrom	appadvice.com