<http://webisa.webdatacommons.org/prov/421942689>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/428157810> .
<http://webisa.webdatacommons.org/428157810>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<surveillance-expo.com> .
<http://webisa.webdatacommons.org/prov/420237878>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/428157810> .
<http://webisa.webdatacommons.org/428157810>	<http://www.w3.org/ns/prov#value>	"Private investigators and detectives also use surveillance cameras, listening devices and other spying equipment." .
<http://webisa.webdatacommons.org/428157810>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .