<http://webisa.webdatacommons.org/prov/26682618>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/360504992> .
<http://webisa.webdatacommons.org/360504992>	<http://www.w3.org/ns/prov#value>	"classroom is a problem not only for students but for the" .
<http://webisa.webdatacommons.org/360504992>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<purdueexponent.org> .
<http://webisa.webdatacommons.org/360504992>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .