{"ID":7940,"post_author":"26","post_date":"2025-09-04 13:39:29","post_date_gmt":"2025-09-04 13:39:29","post_content":"","post_title":"AI Happy Hour | Apprentissage par renforcement multi-agents","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"happy-hour-septembre-2025","to_ping":"","pinged":"","post_modified":"2025-09-04 14:01:06","post_modified_gmt":"2025-09-04 14:01:06","post_content_filtered":"","post_parent":0,"guid":"https://www.fari.brussels/calendar/happy-hour-september-2025","menu_order":0,"post_type":"event","post_mime_type":"","comment_count":"0","filter":"raw","acf":{"preview_card_description":"Rejoignez-nous pour une soirée de réseautage afin d'explorer le monde de l'Apprentissage par renforcement multi-agents et discuter des défis actuels lors de notre prochaine AI Happy Hour !","event_info":{"dates":{"start":"09/29/2025","end":""},"entrance":{"free":true,"price":""},"time":{"from":"17:30","to":"19:00"},"address":"Cantersteen 16, 1000 Brussels","speakers":[{"ID":7235,"post_author":"19","post_date":"2025-06-11 12:04:02","post_date_gmt":"2025-06-11 12:04:02","post_content":"","post_title":"Yannick Molinghen","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"yannick-molinghen","to_ping":"","pinged":"","post_modified":"2025-06-11 12:05:15","post_modified_gmt":"2025-06-11 12:05:15","post_content_filtered":"","post_parent":0,"guid":"https://www.fari.brussels/researcher/yannick-molinghen","menu_order":0,"post_type":"researcher","post_mime_type":"","comment_count":"0","filter":"raw","acf":[],"featured_image":{"id":7232,"src":"https://content.fari.brussels/media/1796d327bf9a06352e556aa2-yannick-molinghen-scaled.jpg","alt":""},"terms":{"researcher-discipline":[{"term_id":154,"name":"AI Algorithms","slug":"ai-algorithms-fr","term_group":0,"term_taxonomy_id":154,"taxonomy":"researcher-discipline","description":"","parent":0,"count":6,"filter":"raw"},{"term_id":153,"name":"Artificial Intelligence","slug":"artificial-intelligence-fr","term_group":0,"term_taxonomy_id":153,"taxonomy":"researcher-discipline","description":"","parent":0,"count":23,"filter":"raw"},{"term_id":427,"name":"Multi-agent systems","slug":"multi-agent-systems-fr","term_group":0,"term_taxonomy_id":427,"taxonomy":"researcher-discipline","description":"","parent":0,"count":1,"filter":"raw"}],"translation_priority":[{"term_id":404,"name":"Optional","slug":"optional-fr","term_group":0,"term_taxonomy_id":404,"taxonomy":"translation_priority","description":"","parent":0,"count":142,"filter":"raw"}]},"permalink":"https://www.fari.brussels/fr/chercheur/yannick-molinghen"}]},"button":{"label":"Inscrivez-vous maintenant","url":"https://www.eventbrite.be/e/fari-ai-happy-hour-multi-agent-reinforcement-learning-tickets-1655775953449?aff=oddtdtcreator"},"tagline":"Rejoignez-nous pour une soirée de réseautage afin d'explorer le monde de l'Apprentissage par renforcement multi-agents et discuter des défis actuels lors de notre prochaine AI Happy Hour !","content":[{"acf_fc_layout":"text","content":"<p>Rejoignez-nous pour une soirée de réseautage afin d&#8217;explorer le monde de l&#8217;Apprentissage par renforcement multi-agents et discuter des défis actuels lors de notre événement AI Happy Hour ! Cet événement en présentiel aura lieu le lundi 29 septembre à 17h30 au FARI Test and Experience Center (Cantersteen 16, 1000 Bruxelles).</p>\n<p><strong>Yannick Molinghen</strong> est doctorant et assistant d&#8217;enseignement au département d&#8217;informatique de l&#8217;Université Libre de Bruxelles. En tant que chercheur au sein du groupe Machine Learning Group (MLG), ses recherches portent sur l&#8217;apprentissage coopératif multi-agents par renforcement, et plus particulièrement sur le problème de la rareté des récompenses. En tant qu&#8217;assistant d&#8217;enseignement, il enseigne dans de nombreux cours d&#8217;informatique, du premier cycle de licence jusqu&#8217;au master, et supervise plusieurs mémoires de master dans le domaine de l&#8217;apprentissage par renforcement.</p>\n<p><strong>Description de la session :</strong> L&#8217;apprentissage par renforcement peut être considéré comme une forme d&#8217;entraînement par essais et erreurs, comparable à l&#8217;entraînement d&#8217;un animal à adopter de nouveaux comportements. L&#8217;un des principaux avantages de cette approche est que le formateur (ou le concepteur de l&#8217;algorithme) n&#8217;a pas besoin de montrer la séquence précise d&#8217;actions qui permettra de résoudre la tâche, mais seulement de donner une récompense chaque fois que la tâche est accomplie. Lorsque nous étendons l&#8217;apprentissage par renforcement à un contexte multi-agents, où plusieurs agents interagissent et coopèrent entre eux, cette idée apparemment simple devient considérablement plus complexe. Si vous donnez une seule récompense à un groupe d&#8217;animaux lorsqu&#8217;un d&#8217;entre eux fait quelque chose de bien, pouvons-nous espérer que chacun d&#8217;entre eux comprenne à qui il doit cette récompense ? Comment attribuer le mérite à chaque agent individuel lorsque le succès ou l&#8217;échec résulte de leur comportement collectif ? Imaginez maintenant un problème encore plus complexe où le retour d&#8217;information est retardé ou rare, comme c&#8217;est le cas dans de nombreux problèmes du monde réel. Comment les agents peuvent-ils apprendre des stratégies efficaces dans de telles conditions ?</p>\n<p>Dans cette présentation, nous aborderons toutes ces questions de manière accessible. Nous découvrirons ensemble ce que la science peut déjà faire dans le domaine de l&#8217;apprentissage par renforcement multi-agents et quels défis restent à relever.</p>\n<p><strong>Est-ce pour vous?</strong> Les administrateurs, les professionnels du secteur et les passionnés d&#8217;IA sont invités à participer à cette session.</p>\n<p><strong>Un mélange équilibré d&#8217;apprentissage et de détente</strong> &#8211; Les participants auront l&#8217;occasion de participer à des discussions enrichissantes avec Yannick, suivies d&#8217;un apéritif décontracté avec collations et boissons !</p>\n<p><strong>La participation à cet événement est gratuite, mais l&#8217;inscription est obligatoire.</strong></p>\n<p>Cet événement est organisé par FARI &#8211; AI for the Common Good Institute.</p>\n<p><strong>Résumé</strong><br />\nHeure : lundi 29 septembre, 17h30<br />\nLieu : FARI Test and Experience Center, Cantersteen 16, 1000 Bruxelles<br />\nConférencier : Yannick Molinghen<br />\nCollations et boissons : profitez d&#8217;un apéritif décontracté<br />\nCoût : participation gratuite<br />\nPublic cible : administrateurs, professionnels du secteur et passionnés d&#8217;IA</p>\n"}],"banner_image":{"ID":7936,"id":7936,"title":"AI HAPPY HOUR_September","filename":"9ca55b5d492e3c33b995f29c-ai-happy-hourseptember.png","filesize":3144810,"url":"https://content.fari.brussels/media/9ca55b5d492e3c33b995f29c-ai-happy-hourseptember.png","link":"https://www.fari.brussels/calendar/happy-hour-september-2025/ai-happy-hour_september","alt":"","author":"26","description":"","caption":"","name":"ai-happy-hour_september","status":"inherit","uploaded_to":7935,"date":"2025-09-04 13:32:38","modified":"2025-09-04 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