{"id":40300,"date":"2020-11-12T07:14:16","date_gmt":"2020-11-12T12:14:16","guid":{"rendered":"https:\/\/cifar661.wpengine.com\/?p=40300"},"modified":"2022-03-15T15:00:32","modified_gmt":"2022-03-15T19:00:32","slug":"tirer-son-epingle-du-jeu-avec-lia","status":"publish","type":"post","link":"https:\/\/cifar.ca\/fr\/cifarnews\/2020\/11\/12\/tirer-son-epingle-du-jeu-avec-lia\/","title":{"rendered":"Tirer son \u00e9pingle du jeu avec l\u2019IA"},"content":{"rendered":"

Le titulaire de chaire en IA Canada-CIFAR Kevin Leyton-Brown applique l\u2019IA \u00e0 la micro\u00e9conomie pour pr\u00e9dire le meilleur r\u00e9sultat possible en fonction de nos int\u00e9r\u00eats.<\/h2>\n

Il s\u2019int\u00e9resse tout particuli\u00e8rement \u00e0 la th\u00e9orie des jeux, une approche computationnelle visant \u00e0 comprendre comment diff\u00e9rents acteurs ou agents ayant des int\u00e9r\u00eats concurrents interagissent entre eux et comment ces interactions fa\u00e7onnent les r\u00e9sultats.<\/span><\/p>\n

Plus qu\u2019une simple approche computationnelle, la th\u00e9orie des jeux guide les d\u00e9cisions des entreprises, des gouvernements et des individus. Elle pr\u00e9dit comment le public percevra de nouveaux produits, comment les citoyens r\u00e9agiront aux politiques et comment \u00e9volueront les investissements boursiers et les taux hypoth\u00e9caires. La th\u00e9orie des jeux a de plus en plus d\u2019importance dans les secteurs priv\u00e9 et public. Kevin Leyton-Brown veut l\u2019utiliser pour changer les choses.<\/span><\/p>\n

Il se passionne pour les technologies d\u2019IA qui permettent \u00e0 l\u2019humanit\u00e9 de relever des d\u00e9fis majeurs.<\/span><\/p>\n

\u00ab\u00a0Comme l\u2019IA est largement financ\u00e9e par l\u2019industrie, elle a tendance \u00e0 r\u00e9pondre \u00e0 un nombre limit\u00e9 de besoins, surtout dans les entreprises. Il existe davantage de recherches sur la fa\u00e7on dont l\u2019IA peut am\u00e9liorer l\u2019efficacit\u00e9 des publicit\u00e9s que sur le d\u00e9veloppement de vaccins pour des maladies rares\u00a0\u00bb, mentionne le chercheur.<\/span><\/p>\n

\n

\u00ab\u00a0De nombreux coins dans le monde ne sont pas touch\u00e9s par l\u2019IA parce que leurs r\u00e9alit\u00e9s ne correspondent pas aux int\u00e9r\u00eats des entreprises, mais ce sont des endroits o\u00f9 l\u2019IA pourrait vraiment faire bouger les choses\u00a0\u00bb, ajoute-t-il.\u00a0<\/span><\/span><\/p>\n<\/blockquote>\n

Kevin Leyton-Brown a v\u00e9cu en Ouganda durant une partie de l\u2019ann\u00e9e sabbatique qu\u2019il a prise en 2020. Pendant cette p\u00e9riode, il a \u00e9t\u00e9 particuli\u00e8rement touch\u00e9 par une situation qui pouvait \u00eatre am\u00e9lior\u00e9e par l\u2019IA. Il a remarqu\u00e9 que les commer\u00e7ants qui vivent en ville peuvent demander des prix comp\u00e9titifs pour des produits et souvent \u00e9couler leur stock avant la fin de la journ\u00e9e. Pendant ce temps, leurs fournisseurs, situ\u00e9s dans des r\u00e9gions \u00e9loign\u00e9es, peinent \u00e0 trouver un march\u00e9 pour leurs produits, m\u00eame \u00e0 bas prix. \u00c9tant donn\u00e9 que la plupart des Ougandais poss\u00e8dent un t\u00e9l\u00e9phone mobile, il a d\u00e9velopp\u00e9 et cofond\u00e9 Kudu, une application mobile qui permet aux fermiers de trouver des acheteurs et de n\u00e9gocier des prix comp\u00e9titifs.\u00a0\u00a0\u00a0<\/span><\/p>\n

Un autre projet a \u00e9t\u00e9 r\u00e9alis\u00e9 en collaboration avec la Commission f\u00e9d\u00e9rale des communications (FCC) des \u00c9tats-Unis. Son \u00e9quipe a d\u00e9velopp\u00e9 un algorithme qui a permis \u00e0 la FCC de vendre des bandes de fr\u00e9quences aux ench\u00e8res. La vente a \u00e9t\u00e9 tr\u00e8s profitable et a rapport\u00e9 au gouvernement plus de 7 milliards de dollars qui ont servi au remboursement de la dette nationale. Par ailleurs, la disponibilit\u00e9 des fr\u00e9quences a permis \u00e0 l\u2019industrie de la t\u00e9l\u00e9phonie mobile d\u2019\u00e9tendre son march\u00e9 et de fournir un meilleur service au public.<\/span><\/p>\n

Le Conseil de recherches en sciences naturelles et en g\u00e9nie du Canada lui a d\u00e9cern\u00e9 la\u00a0Bourse comm\u00e9morative E.W.R. Steacie<\/a>\u00a0en 2014 pour ses recherches, en soulignant que son id\u00e9e de vente aux ench\u00e8res des bandes de fr\u00e9quences serait probablement reproduite dans le monde entier. Kevin Leyton-Brown a \u00e9galement re\u00e7u le prix Franz Edelman pour ses r\u00e9alisations en analyse avanc\u00e9e, en recherche op\u00e9rationnelle et en sciences de la gestion.<\/span><\/p>\n

\u00ab\u00a0Nous avons pris quelque chose qui ne faisait plus de sens et l\u2019avons utilis\u00e9 pour cr\u00e9er un effet positif sur tout le monde\u00a0\u00bb, dit-il en parlant de son projet de conversion des ondes de radiot\u00e9l\u00e9diffusion en bandes de fr\u00e9quences pour la t\u00e9l\u00e9phonie mobile.<\/span><\/p>\n

En plus de ses activit\u00e9s de recherche et de conseil aux entreprises, il donne un cours sur l\u2019IA au service du bien social aux \u00e9tudiants de troisi\u00e8me cycle de l\u2019Universit\u00e9 de la Colombie-Britannique. R\u00e9cemment, ses \u00e9tudiants ont mis au point un syst\u00e8me utilisant des images satellites commerciales de prairies en jach\u00e8re pour pr\u00e9dire l\u2019humidit\u00e9 du sol. Utilisant des mod\u00e8les climatiques existants et des mod\u00e8les de d\u00e9veloppement des cultures, leur syst\u00e8me peut fournir des recommandations d\u2019irrigation pour augmenter le rendement des cultures dans les pays \u00e0 faible revenu.<\/span><\/p>\n

Kevin Leyton-Brown est boursier de\u00a0l\u2019Amii<\/a>, professeur au d\u00e9partement d\u2019informatique de l\u2019Universit\u00e9 de la Colombie-Britannique et directeur du CAIDA (Centre for Artificial Intelligence Decision-making and Action) de l\u2019ICICS (Institute for Computing, Information and Cognitive Systems) \u00e0 l\u2019UBC. Il a fait ses \u00e9tudes sup\u00e9rieures \u00e0 l\u2019Universit\u00e9 de Stanford, collaborant r\u00e9guli\u00e8rement avec Paul Milgrom, laur\u00e9at du prix Nobel de sciences \u00e9conomiques en 2020.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Le titulaire de chaire en IA Canada-CIFAR Kevin Leyton-Brown applique l\u2019IA \u00e0 la micro\u00e9conomie pour pr\u00e9dire le meilleur r\u00e9sultat possible en fonction de nos int\u00e9r\u00eats.<\/p>\n","protected":false},"author":58,"featured_media":40369,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1771,3972],"tags":[],"class_list":["post-40300","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouvelles","category-strategie-pancanadienne-en-matiere-dia"],"acf":[],"yoast_head":"\nCIFAR<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cifar.ca\/fr\/cifarnews\/2020\/11\/12\/tirer-son-epingle-du-jeu-avec-lia\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tirer son \u00e9pingle du jeu avec l\u2019IA - 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