<http://webisa.webdatacommons.org/prov/455292858>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/245572475> .
<http://webisa.webdatacommons.org/245572475>	<http://www.w3.org/ns/prov#value>	" 2) Product Class - refers to entire product category or industry such as video games" .
<http://webisa.webdatacommons.org/245572475>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .
<http://webisa.webdatacommons.org/245572475>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .