<http://webisa.webdatacommons.org/prov/295043913>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/416995658> .
<http://webisa.webdatacommons.org/416995658>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<prnewswire.com> .
<http://webisa.webdatacommons.org/416995658>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/416995658>	<http://www.w3.org/ns/prov#value>	"A drill is an activity that tests a single procedural operation, such as testing the emergency notification system." .