About: http://webisa.webdatacommons.org/378248235

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	In fact, Apple???s iBooks has its own proprietary format, ???.ibook???, which however is based on the free/open EPUB format, which iBooks can also read, as can nearly every other reader except Kindle.
http://www.w3.org/ns/prov#wasQuotedFrom	backwoodshome.com