<http://webisa.webdatacommons.org/183428838>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/485820640>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/183428838> .
<http://webisa.webdatacommons.org/183428838>	<http://www.w3.org/ns/prov#value>	"Homeland Security Secretary Michael Chertoff wrote in an opinion piece published last month in USA Today that the most dangerous contraband is often contained in laptop computers or other electronic devices." .
<http://webisa.webdatacommons.org/183428838>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<blogspot.com> .