<http://webisa.webdatacommons.org/423202271>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<questia.com> .
<http://webisa.webdatacommons.org/423202271>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/23682722>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/423202271> .
<http://webisa.webdatacommons.org/423202271>	<http://www.w3.org/ns/prov#value>	"The identification of the various types of advertising is also an indirect way of defining ads." .