<http://webisa.webdatacommons.org/181888304>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slideshare.net> .
<http://webisa.webdatacommons.org/181888304>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/267352152>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/181888304> .
<http://webisa.webdatacommons.org/181888304>	<http://www.w3.org/ns/prov#value>	"subscription is to a system that transmits all types of messages, not just those of a commercial variety." .