<http://webisa.webdatacommons.org/399419200>	<http://www.w3.org/ns/prov#value>	"If these scanners were around back a decade ago and prevented events such as Sept 11, would they be criticized now?" .
<http://webisa.webdatacommons.org/prov/94533242>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/399419200> .
<http://webisa.webdatacommons.org/399419200>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/399419200>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<annenbergclassroom.org> .