<http://webisa.webdatacommons.org/279857293>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/344137830>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/279857293> .
<http://webisa.webdatacommons.org/279857293>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<techcrunch.com> .
<http://webisa.webdatacommons.org/279857293>	<http://www.w3.org/ns/prov#value>	"Textbooks are a devious, implicit agreement between students and teachers that give the impression of learning: students stare at the pages while professors get to recycle old lectures based on the textbook during their weekly hour of ???teaching.???" .