<http://webisa.webdatacommons.org/prov/392006241>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/173775638> .
<http://webisa.webdatacommons.org/173775638>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/173775638>	<http://www.w3.org/ns/prov#value>	"The president convened a conference of students, educators, parents and other experts." .
<http://webisa.webdatacommons.org/173775638>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pbs.org> .
<http://webisa.webdatacommons.org/prov/483715893>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/173775638> .