<http://webisa.webdatacommons.org/prov/110104663>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/288464382> .
<http://webisa.webdatacommons.org/288464382>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/288464382>	<http://www.w3.org/ns/prov#value>	"interference is a problem or jamming may be a threat.The USNO" .
<http://webisa.webdatacommons.org/prov/109763134>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/288464382> .
<http://webisa.webdatacommons.org/288464382>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<hindawi.com> .