Glossary | Information on IT systems Schengen Area

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Name	Description
binary data	Each set of binary data (photographs, dactyloscopic data, identification documents, scanned documents, DNA profiles) attached to a SIS alert.
Biographic data	Means the alphanumeric data stored in the EES, concerning the travel document data and/or the identity data.
biographic matching errors	A biographic matching error can occur in the following cases: • Automatic comparison concluded same identity data, while in fact it is similar identity data or different identity data; • Automatic comparison concluded similar identity data, while in fact it is same identity data or different identity data; • Automatic comparison concluded different identity data, while in fact it is same identity data or similar identity data.
Biometric data	‘biometric data’ means fingerprint data or facial images or both.
biometric false acceptance	A biometric false acceptance means that the MID falsely declared a match towards the biometric template of another person.
biometric false rejection	A biometric false rejection means that the MID falsely declared that there is no match with another comparable biometric template of the same person.
Biometric identification	The identification of third-country nationals using biometric data, namely fingerprint data and facial image. It is a mean of identifying or confirming the identity of the third-country national by the measurement of the person's biometric characteristics.
biometric matching errors	The MID algorithm might lead to matching errors related to biometric data (biometric matching errors). Biometric matching errors can concern a biometric false acceptance or a biometric false rejection.
Biometric template	A mathematical representation obtained by feature extraction from biometric data limited to the characteristics necessary to perform identifications and verifications.
Biometric update	An update of the biometric data is necessary where, after a verification process, it is discovered that the new biometric data submitted for verification has better quality, or current one is not enough / has insufficient quality, than the one in the EES (facial image or fingerprint set), or that missing biometric data can now be captured (e.g. temporary impossibility for providing fingerprints).