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<http://webisa.webdatacommons.org/prov/40407055>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/160931700> .
<http://webisa.webdatacommons.org/prov/131934333>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/160931700> .
<http://webisa.webdatacommons.org/160931700>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/160931700>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/160931700>	<http://www.w3.org/ns/prov#value>	"Attendees were comprised mainly of research students, security professionals and academics. 929/12/2011 17:14:00SPIE - Defence, Security and SensingRadiation physics, nanotechnology, material science, biochemical engineeringApril 2011Ireneos DrakosThe SPIE conference is the largest unclassified event for the defense, security, and environment industries, focusing in 58 different areas and over 50" .