<http://webisa.webdatacommons.org/254469645>	<http://www.w3.org/ns/prov#value>	"Surveillance cameras are a valuable tool for perimeter security, and the technology has improved greatly in recent years. (Photo: Atlas Safety & Security Design.)" .
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<http://webisa.webdatacommons.org/prov/18503082>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/254469645> .
<http://webisa.webdatacommons.org/254469645>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .