<http://webisa.webdatacommons.org/prov/134229593>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/149707175> .
<http://webisa.webdatacommons.org/149707175>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/149707175>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<northwestern.edu> .
<http://webisa.webdatacommons.org/149707175>	<http://www.w3.org/ns/prov#value>	"O'Hare will use the machine, which shows an explicit silhouette of passengers that can identify explosives or other weapons concealed on the body, as an initial screening device." .