{"id":53912,"date":"2026-04-22T09:08:04","date_gmt":"2026-04-22T07:08:04","guid":{"rendered":"https:\/\/www.altares.be\/?p=53912"},"modified":"2026-04-23T10:37:47","modified_gmt":"2026-04-23T08:37:47","slug":"quand-ia-parait-sure-d-elle-mais-se-trompe","status":"publish","type":"post","link":"https:\/\/www.altares.be\/fr\/blog\/master-data-management\/ai-klinkt-overtuigend-maar-overtuigend-is-nog-niet-hetzelfde-als-waar\/","title":{"rendered":"Quand l\u2019IA para\u00eet s\u00fbre d\u2019elle\u2026 mais se trompe"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Derni\u00e8rement, je suis tomb\u00e9 sur une vid\u00e9o de deux influenceurs \u00e0 Duba\u00ef. En pleine mont\u00e9e des tensions, alors que des missiles \u00e9taient tir\u00e9s depuis l\u2019Iran vers la r\u00e9gion, l\u2019un demande \u00e0 l\u2019autre : \u00ab Est-ce qu\u2019on est en guerre ? \u00bb. Sa r\u00e9ponse \u00e9tait aussi surprenante qu\u2019illustrative :<br>\u00ab D\u2019apr\u00e8s ChatGPT, officiellement non. \u00bb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette phrase m\u2019est rest\u00e9e en t\u00eate.&nbsp;<strong>D\u2019apr\u00e8s ChatGPT, officiellement non.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Comme si un mod\u00e8le de langage d\u00e9cidait de ce qu\u2019est la r\u00e9alit\u00e9. Comme si quelque chose n\u2019\u00e9tait vrai que lorsqu\u2019un chatbot le confirme. Et peut-\u00eatre plus important encore : comme si une r\u00e9ponse formul\u00e9e avec assurance \u00e9tait automatiquement correcte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u2019est pr\u00e9cis\u00e9ment l\u00e0 que r\u00e9side aujourd\u2019hui l\u2019un des grands malentendus autour de l\u2019IA.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"880\" height=\"533\" src=\"loupe IA\" alt=\"ai magnifying glass\" class=\"wp-image-53914\" srcset=\"\" sizes=\"(max-width: 880px) 100vw, 880px\" data-srcset=\"\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Le pi\u00e8ge des r\u00e9ponses convaincantes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De plus en plus souvent, mes clients me disent : \u00ab Pourquoi faire appel \u00e0 un expert en donn\u00e9es pour \u00e7a ? Je peux tout simplement demander \u00e0 l\u2019IA, non ? \u00bb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Souvent, il s\u2019agit de questions qui paraissent simples\u00a0: comment fonctionne une structure m\u00e8re-filiale\u00a0? Quelle entit\u00e9 juridique appartient \u00e0 quel groupe\u00a0? Qui est responsable en dernier ressort\u00a0? Qui est l\u2019UBO\u00a0?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce sont des questions qu\u2019on peut facilement poser \u00e0 ChatGPT ou \u00e0 un autre mod\u00e8le. Et, en g\u00e9n\u00e9ral, la r\u00e9ponse arrive vite. Elle est claire, bien formul\u00e9e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mais rapide et bien formul\u00e9 ne veut pas dire correct.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u2019IA peut se tromper<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un mod\u00e8le d\u2019IA g\u00e9n\u00e9rative n\u2019est pas un syst\u00e8me de v\u00e9rit\u00e9. Il rep\u00e8re des sch\u00e9mas dans les textes et produit, sur cette base, la r\u00e9ponse la plus probable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Et \u00e7a fonctionne souvent tr\u00e8s bien. Parfois m\u00eame tellement bien qu\u2019on a l\u2019impression que le syst\u00e8me sait de quoi il parle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mais ce n\u2019est pas le cas. Il n\u2019y a pas de registre de r\u00e9f\u00e9rence. Pas de base de donn\u00e9es contr\u00f4l\u00e9e. Pas de validation juridique. Uniquement un mod\u00e8le entra\u00een\u00e9 sur de grandes quantit\u00e9s de textes, capable de produire une r\u00e9ponse plausible.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Lisez aussi :<\/strong>&nbsp;<a href=\"https:\/\/www.altares.be\/fr\/blog\/master-data-management\/l-ia-fait-rever-les-donnees-font-gagner\/\">L\u2019IA fait r\u00eaver, les donn\u00e9es font gagner<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Le risque en contexte professionnel<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dans le monde des affaires, une r\u00e9ponse plausible ne suffit pas.<br>Surtout pour des sujets tels que :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>propri\u00e9t\u00e9 et structures d\u2019entreprise<\/li>\n\n\n\n<li>enregistrements des UBO<\/li>\n\n\n\n<li>contr\u00f4les de conformit\u00e9<\/li>\n\n\n\n<li>acceptation client<\/li>\n\n\n\n<li>\u00e9valuation des risques<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dans ces cas-l\u00e0, on ne cherche pas une r\u00e9ponse qui \u00ab sonne bien \u00bb. On veut une r\u00e9ponse juste. Et v\u00e9rifiable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">On veut savoir d\u2019o\u00f9 vient l\u2019information, si elle est \u00e0 jour, et \u00e0 quelle entit\u00e9 elle se rapporte pr\u00e9cis\u00e9ment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u2019IA comme interface, les donn\u00e9es comme fondation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Voil\u00e0 pourquoi il est essentiel de bien distinguer le r\u00f4le de l\u2019IA et celui des donn\u00e9es. L\u2019IA est tr\u00e8s efficace pour rendre l\u2019information accessible. Elle peut r\u00e9sumer, structurer, faire des liens, et simplifier des sujets complexes. C\u2019est l\u00e0 qu\u2019elle apporte une vraie valeur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mais d\u00e8s qu\u2019on commence \u00e0 la consid\u00e9rer comme une source de v\u00e9rit\u00e9, on d\u00e9place la confiance : on passe des donn\u00e9es\u2026 \u00e0 la capacit\u00e9 du mod\u00e8le \u00e0 convaincre. Et c\u2019est l\u00e0 que le risque appara\u00eet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les donn\u00e9es, plus cruciales que jamais<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La valeur de l\u2019IA ne repose pas uniquement sur le mod\u00e8le. Elle d\u00e9pend surtout de la qualit\u00e9 des donn\u00e9es sur lesquelles il s\u2019appuie. Un mod\u00e8le g\u00e9n\u00e9rique, sans donn\u00e9es fiables, \u00e0 jour et v\u00e9rifiables, peut rester tr\u00e8s convaincant sans pour autant \u00eatre fiable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u2019est l\u00e0 toute la diff\u00e9rence.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">La v\u00e9ritable question pour les organisations<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La question n\u2019est donc pas seulement : quelle IA utiliser ?<br>Mais : sur quelles donn\u00e9es cette IA repose-t-elle ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Sur des informations du web, des donn\u00e9es d\u2019entra\u00eenement et des estimations probabilistes ?<\/em><br><em>Ou sur des donn\u00e9es d\u2019entreprise authentiques, \u00e0 jour et contr\u00f4l\u00e9es, sp\u00e9cifiquement con\u00e7ues pour servir de base aux d\u00e9cisions ?<\/em>?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La diff\u00e9rence est consid\u00e9rable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un mod\u00e8le g\u00e9n\u00e9rique peut aider \u00e0 chercher, r\u00e9sumer et explorer. Mais d\u00e8s qu\u2019il s\u2019agit de savoir avec certitude qui est le b\u00e9n\u00e9ficiaire effectif, comment une structure est organis\u00e9e ou avec qui on fait affaire\u2026 on ne veut pas une estimation. On veut une v\u00e9rification.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u2019avenir : une IA fond\u00e9e sur des donn\u00e9es fiables<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019IA joue un r\u00f4le croissant dans la mani\u00e8re dont nous travaillons et prenons des d\u00e9cisions. Et c\u2019est pr\u00e9cis\u00e9ment pour cette raison que la qualit\u00e9 des donn\u00e9es sous-jacentes devient plus cruciale que jamais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019avenir n\u2019oppose pas l\u2019IA aux donn\u00e9es. L\u2019avenir, c\u2019est une IA qui s\u2019appuie sur des donn\u00e9es fiables.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Lisez aussi :<\/strong>&nbsp;<a href=\"https:\/\/www.altares.be\/fr\/blog\/master-data-management\/ia-agentique-de-promesse-a-application-concrete\/\">L\u2019IA agentique : passer de la promesse \u00e0 l\u2019application concr\u00e8te<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion : correct\u2026 ou simplement convaincant ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Alors oui, posez vos questions \u00e0 ChatGPT. Utilisez l\u2019IA l\u00e0 o\u00f9 elle apporte une r\u00e9elle valeur. Mais ne prenez jamais une r\u00e9ponse bien formul\u00e9e pour la r\u00e9alit\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les organisations qui tireront le meilleur parti de l\u2019IA ne seront pas celles qui la feront le plus parler. Ce seront celles qui veilleront \u00e0 ce qu\u2019elle ait acc\u00e8s aux bonnes sources.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Au fond, la question est simple : est-ce que je veux une r\u00e9ponse qui sonne bien\u2026<\/strong>&nbsp;<strong>ou une r\u00e9ponse juste ?<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>L\u2019IA peut sembler convaincante, mais cela ne signifie pas que ce qu\u2019elle dit est correct.\nL\u2019IA g\u00e9n\u00e9rative fonctionne sur la base de probabilit\u00e9s, et non de faits v\u00e9rifi\u00e9s. Dans un contexte professionnel, cela comporte des risques, notamment pour des sujets comme les structures de propri\u00e9t\u00e9 ou la conformit\u00e9. C\u2019est pourquoi il est important de consid\u00e9rer l\u2019IA comme une interface, et non comme une source fiable en soi. La v\u00e9ritable valeur appara\u00eet lorsque l\u2019IA est associ\u00e9e \u00e0 des donn\u00e9es fiables et v\u00e9rifiables.<\/p>","protected":false},"author":12,"featured_media":53914,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[19,22],"tags":[70,71,72],"class_list":["post-53912","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-master-data-management","category-sales-marketing","tag-ai","tag-master-data-management","tag-sales-marketing"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AI klinkt overtuigend. Maar overtuigend is nog niet hetzelfde als waar - Altares<\/title>\n<meta name=\"description\" content=\"Een overtuigend AI-antwoord is niet per definitie een juist antwoord. 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Waarom betrouwbare data belangrijker blijft dan ooit.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.altares.be\/fr\/blog\/master-data-management\/quand-ia-parait-sure-d-elle-mais-se-trompe\/\" \/>\n<meta property=\"og:site_name\" content=\"Altares\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-22T07:08:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-23T08:37:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.altares.be\/wp-content\/uploads\/2026\/04\/ai-photo-blog.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"880\" \/>\n\t<meta property=\"og:image:height\" content=\"533\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Rijk Van Duuren\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Rijk Van Duuren\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture est.\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.altares.be\\\/blog\\\/master-data-management\\\/ai-klinkt-overtuigend-maar-overtuigend-is-nog-niet-hetzelfde-als-waar\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.altares.be\\\/blog\\\/master-data-management\\\/ai-klinkt-overtuigend-maar-overtuigend-is-nog-niet-hetzelfde-als-waar\\\/\"},\"author\":{\"name\":\"Rijk Van Duuren\",\"@id\":\"https:\\\/\\\/www.altares.be\\\/#\\\/schema\\\/person\\\/8d2bd302de9392182f37ca5de992cf96\"},\"headline\":\"AI klinkt overtuigend. 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