About: http://webisa.webdatacommons.org/301628707

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Walk-through metal detectors are commonly used for detecting weapons in locations such airports and buildings where security is a concern.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com