<http://webisa.webdatacommons.org/prov/171283185>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/419135443> .
<http://webisa.webdatacommons.org/419135443>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/419135443>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ireaderreview.com> .
<http://webisa.webdatacommons.org/419135443>	<http://www.w3.org/ns/prov#value>	"-the prices of ebook: if we except the #1 bestsellers, most the book are more expansive on nook and not by a small margin (40 USD for kindle and 56 for nook ???. just one example!)" .