Glossary
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                                    MD5 The MD5 or Message Digest 5 algorithm is a hash function that provides a digital fingerprint of a file so that the integrity of a downloaded file can be checked. 
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                                    Metadata A set of structured information that describes, explains and locates an information resource to make it easier to be found, used and managed. 
 Source: https://doranum.fr/glossaire-donnees-recherche/