<http://webisa.webdatacommons.org/prov/506452238>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/39000347> .
<http://webisa.webdatacommons.org/39000347>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/39000347>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<blogspot.com> .
<http://webisa.webdatacommons.org/39000347>	<http://www.w3.org/ns/prov#value>	"The 'long tail' is the almost limitless inventory of CDs, books, movies, and other products that pours forth on sites such as Amazon.com." .