<http://webisa.webdatacommons.org/prov/230958269>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/374372624> .
<http://webisa.webdatacommons.org/374372624>	<http://www.w3.org/ns/prov#value>	"If you are selling a digital product such as music or e-books, you will need additional fields to contain the actual downloadable file." .
<http://webisa.webdatacommons.org/374372624>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<packtpub.com> .
<http://webisa.webdatacommons.org/prov/444565899>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/374372624> .
<http://webisa.webdatacommons.org/374372624>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .