<http://webisa.webdatacommons.org/prov/85378839>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/68165792> .
<http://webisa.webdatacommons.org/68165792>	<http://www.w3.org/ns/prov#value>	"Those books are a waste of time for the students as well as the professors." .
<http://webisa.webdatacommons.org/68165792>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/68165792>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<frame-poythress.org> .