| http://www.w3.org/ns/prov#value | - In other embodiments security data collection unit 210 may be another sensor such as for example an x-ray machine or metal detector, a heat or motion detector, a biometric sensor such as a finger print sensor, palm print sensor, iris scanner, voice, face or other biometric sensor, an identification card or passport reader, or other suitable sensor as may be used to evaluate or identify a person, i
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