{"id":41170,"date":"2025-09-23T00:40:18","date_gmt":"2025-09-22T22:40:18","guid":{"rendered":"https:\/\/2b-advice.com\/glossary\/big-data\/"},"modified":"2025-09-25T17:14:14","modified_gmt":"2025-09-25T15:14:14","slug":"donnees-massives","status":"publish","type":"glossary","link":"https:\/\/2b-advice.com\/fr\/glossary\/big-data\/","title":{"rendered":"Big Data"},"content":{"rendered":"<h1>Big Data<\/h1>\n<p><strong>Que signifie Big Data ?<\/strong><\/p>\n<p>Big Data (en fran\u00e7ais : donn\u00e9es de masse) d\u00e9signe le traitement d'un grand nombre de donn\u00e9es. Il s'agit souvent de l'analyse de grands ensembles de donn\u00e9es \u00e0 l'aide de proc\u00e9d\u00e9s math\u00e9matiques (appel\u00e9s algorithmes) afin d'en d\u00e9duire certains r\u00e9sultats et, le cas \u00e9ch\u00e9ant, de faire des pr\u00e9visions. Il n'est pas rare que le traitement des donn\u00e9es soit effectu\u00e9 \u00e0 l'aide d'une intelligence artificielle, c'est-\u00e0-dire d'algorithmes auto-apprenants. En raison du traitement d'\u00e9normes quantit\u00e9s de donn\u00e9es, l'application de Big Data s'av\u00e8re tr\u00e8s difficile du point de vue de la protection des donn\u00e9es. Le sujet est globalement tr\u00e8s complexe, mais il faut \u00e9galement disposer d'une base juridique et respecter les principes centraux de la protection des donn\u00e9es. Le traitement de grandes quantit\u00e9s de donn\u00e9es pose en outre le probl\u00e8me du fait que la mise en relation de donn\u00e9es en fait non structur\u00e9es peut, le cas \u00e9ch\u00e9ant, cr\u00e9er un nouveau contexte et donc un lien avec une personne d\u00e9termin\u00e9e. En outre, l'analyse des donn\u00e9es volumineuses peut, dans certaines circonstances, permettre de d\u00e9duire le comportement futur des personnes concern\u00e9es, ce qui peut entra\u00eener un risque de stigmatisation, de \"pr\u00e9-jugement\".<\/p>\n<h2>Exemple pratique<\/h2>\n<p>Dans le cadre du Big Data, une entreprise utilise des donn\u00e9es personnelles pour des mesures publicitaires cibl\u00e9es et obtient au pr\u00e9alable les consentements n\u00e9cessaires.<\/p>","protected":false},"excerpt":{"rendered":"<p>Big Data (en fran\u00e7ais : donn\u00e9es de masse) d\u00e9signe le traitement d'un grand nombre de donn\u00e9es. Il s'agit souvent de l'analyse de grands ensembles de donn\u00e9es \u00e0 l'aide de proc\u00e9d\u00e9s math\u00e9matiques (appel\u00e9s algorithmes) afin d'en d\u00e9duire certains r\u00e9sultats et, le cas \u00e9ch\u00e9ant, de faire des pr\u00e9visions. Il n'est pas rare que le traitement des donn\u00e9es soit effectu\u00e9 \u00e0 l'aide d'une intelligence artificielle, c'est-\u00e0-dire d'algorithmes auto-apprenants. En raison du traitement d'\u00e9normes quantit\u00e9s de donn\u00e9es, l'application de Big Data s'av\u00e8re tr\u00e8s difficile du point de vue de la protection des donn\u00e9es. Le sujet est globalement tr\u00e8s complexe, mais il faut \u00e9galement disposer d'une base juridique et respecter les principes centraux de la protection des donn\u00e9es. Le traitement de grandes quantit\u00e9s de donn\u00e9es pose en outre le probl\u00e8me du fait que la mise en relation de donn\u00e9es en fait non structur\u00e9es peut, le cas \u00e9ch\u00e9ant, cr\u00e9er un nouveau contexte et donc un lien avec une personne d\u00e9termin\u00e9e. En outre, l'analyse des donn\u00e9es volumineuses peut, dans certaines circonstances, permettre de d\u00e9duire le comportement futur des personnes concern\u00e9es, ce qui peut entra\u00eener un risque de stigmatisation, de \"pr\u00e9-jugement\".<\/p>","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"footnotes":""},"class_list":["post-41170","glossary","type-glossary","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Big Data - Ailance<\/title>\n<meta name=\"description\" content=\"Was ist Big Data? Definition, Bedeutung &amp; DSGVO\u2011Bezug \u2013 kompakt erkl\u00e4rt \u2013 Praxisbeispiele. 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