About: http://webisa.webdatacommons.org/62199641

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	Frankly, one of the reasons I love e-books, besides the portability, is that the Reader pays for itself in savings over time, especially when all the free material (classics, creative commons, web content, etc.) is factored in.
http://www.w3.org/ns/prov#wasQuotedFrom	mobileread.com