Glossary | Information on IT systems Schengen Area

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Name	Description
DG HOME	Directorate-General for Migration and Home Affairs.
different identity data	Identity data are considered different if the values in data fields between different EU information systems are neither same, nor similar. E.g. last name: 'Smith' corresponding with last name: 'Johnsson'. In contrast: An example of same identity data would be: last name: 'Smith' corresponding with last name: 'Smith'. An example of similar identity data would be: last name: 'Smith' corresponding with last name: 'Smieth'.
Directive 2004/38/EC	Directive 2004/38/EC of the European Parliament and of the Council of 29 April 2004 on the right of citizens of the Union and their family members to move and reside freely within the territory of the Member States amending Regulation (EEC) No 1612/68 and repealing Directives 64/221/EEC, 68/360/EEC, 72/194/EEC, 73/148/EEC, 75/34/EEC, 75/35/EEC, 90/364/EEC, 90/365/EEC and 93/96/EEC (Text with EEA relevance).
Directive 2008/115/EC	Directive 2008/115/EC of the European Parliament and of the Council of 16 December 2008 on common standards and procedures in Member States for returning illegally staying third-country nationals.
discrepancy	Discrepancy means that the MID found contradictory link proposals upon which the yellow link was created.
DNA profile	DNA profile means a letter or number code which represents a set of identification characteristics of the noncoding part of an analysed human DNA sample, namely the particular molecular structure at the various DNA locations (loci).
domicile	A domicile is an individual’s permanent and fixed home which they dwell in, and will return to at some point.
Double entry visa	In order to enable carriers to fulfil their obligation to verify the use of the single and double entry visa, the carriers should have access to the web service ('Carrier Interface'). It refers to the replies to verification queries, namely where the carrier specifies that the itinerary require a double entry visa.
dummy value	A dummy value indicates that there is no text or numbers in a certain data field (e.g. the date of birth is not known).
Duplicated files	Duplicated individual files may be produced after system recovery while the data from the fall-back is entered into the EES, what requires to be corrected by amending the data. Duplicated individual files may also exist due to human error.