Yoshua Bengio

Biography

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Yoshua Bengio is recognized worldwide as a leading expert in AI. He is most known for his pioneering work in deep learning, which earned him the 2018 A.M. Turing Award, “the Nobel Prize of computing,” with Geoffrey Hinton and Yann LeCun.

Bengio is a full professor at Université de Montréal, and the founder and scientific director of Mila – Quebec Artificial Intelligence Institute. He is also a senior fellow at CIFAR and co-directs its Learning in Machines & Brains program, serves as scientific director of IVADO, and holds a Canada CIFAR AI Chair.

In 2019, Bengio was awarded the prestigious Killam Prize and in 2022, he was the most cited computer scientist in the world by h-index. He is a Fellow of the Royal Society of London, Fellow of the Royal Society of Canada, Knight of the Legion of Honor of France and Officer of the Order of Canada. In 2023, he was appointed to the UN’s Scientific Advisory Board for Independent Advice on Breakthroughs in Science and Technology.

Concerned about the social impact of AI, Bengio helped draft the Montréal Declaration for the Responsible Development of Artificial Intelligence and continues to raise awareness about the importance of mitigating the potentially catastrophic risks associated with future AI systems.

Current Students

Jamal Abou Haibeh

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Independent visiting researcher - Université de Montréal

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Julie Hussin

Victor Schmidt

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Postdoctorate - Université de Montréal

Master's Research - Université de Montréal

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Research Intern - Université de Montréal

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Master's Research - Université de Montréal

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alexander.tong@mila.quebec

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Postdoctorate - Université de Montréal

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Mathieu Blanchette

Dinghuai Zhang

PhD - Université de Montréal

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Tianyu Zhang

PhD - Université de Montréal

Skipper: Combining Spatial and Temporal Abstraction for Better Generalization

Harry Zhao

PhD - McGill University

Principal supervisor :

Blog Posts

Generic thumbnail for Mila Blog articles.

February 22, 2024

Mingde Harry Zhao

Safa Alver

Harm van Seijen

Romain Laroche

Doina Precup

Yoshua Bengio

Scaling in the Service of Reasoning & Model-Based ML

April 4, 2023

Yoshua Bengio

Edward J. Hu

A collaboration between Mila and Relation Therapeutics to discover novel synergistic combinations of drugs in vitro

March 23, 2022

Paul Bertin

Jake P. Taylor-King

Yoshua Bengio

March 15, 2022

Generative Flow Networks

Yoshua Bengio

Publications

Imagining and building wise machines: The centrality of AI metacognition

Samuel G. B. Johnson

Amir-Hossein Karimi

Nick Chater

Tobias Gerstenberg

Kate Larson

Sydney Levine

Melanie Mitchell

Iyad Rahwan

Bernhard Schölkopf

Igor Grossmann

2024-11-04

ArXiv (preprint)

Trajectory Flow Matching with Applications to Clinical Time Series Modeling

Xi Zhang

Yuan Pu

Yuki Kawamura

Andrew Loza

Dennis Shung

Alexander Tong

Modeling stochastic and irregularly sampled time series is a challenging problem found in a wide range of applications, especially in medici… (see more)ne. Neural stochastic differential equations (Neural SDEs) are an attractive modeling technique for this problem, which parameterize the drift and diffusion terms of an SDE with neural networks. However, current algorithms for training Neural SDEs require backpropagation through the SDE dynamics, greatly limiting their scalability and stability. To address this, we propose Trajectory Flow Matching (TFM), which trains a Neural SDE in a simulation-free manner, bypassing backpropagation through the dynamics. TFM leverages the flow matching technique from generative modeling to model time series. In this work we first establish necessary conditions for TFM to learn time series data. Next, we present a reparameterization trick which improves training stability. Finally, we adapt TFM to the clinical time series setting, demonstrating improved performance on three clinical time series datasets both in terms of absolute performance and uncertainty prediction.

2024-10-28

ArXiv (preprint)

Structure Language Models for Protein Conformation Generation

Jiarui Lu

Xiaoyin Chen

Stephen Zhewen Lu

Chence Shi

Hongyu Guo

Jian Tang

2024-10-24

ArXiv (preprint)

Object-Centric Temporal Consistency via Conditional Autoregressive Inductive Biases

Cristian Meo

Akihiro Nakano

Mircea Licua

Aniket Rajiv Didolkar

Masahiro Suzuki

Anirudh Goyal

Mengmi Zhang

Justin Dauwels

Yutaka Matsuo

2024-10-21

ArXiv (preprint)

Action abstractions for amortized sampling

Oussama Boussif

Lena Nehale Ezzine

Joseph D. Viviano

Michał Koziarski

Moksh J. Jain

Nikolay Malkin

Emmanuel Bengio

Rim Assouel

2024-10-19

ArXiv (preprint)

A Complexity-Based Theory of Compositionality

Eric Elmoznino

Thomas Jiralerspong

Guillaume Lajoie

2024-10-18

ArXiv (preprint)

Can Safety Fine-Tuning Be More Principled? Lessons Learned from Cybersecurity

David Williams-King

Linh Le

Adam M. Oberman

As LLMs develop increasingly advanced capabilities, there is an increased need to minimize the harm that could be caused to society by certa… (see more)in model outputs; hence, most LLMs have safety guardrails added, for example via fine-tuning. In this paper, we argue the position that current safety fine-tuning is very similar to a traditional cat-and-mouse game (or arms race) between attackers and defenders in cybersecurity. Model jailbreaks and attacks are patched with bandaids to target the specific attack mechanism, but many similar attack vectors might remain. When defenders are not proactively coming up with principled mechanisms, it becomes very easy for attackers to sidestep any new defenses. We show how current defenses are insufficient to prevent new adversarial jailbreak attacks, reward hacking, and loss of control problems. In order to learn from past mistakes in cybersecurity, we draw analogies with historical examples and develop lessons learned that can be applied to LLM safety. These arguments support the need for new and more principled approaches to designing safe models, which are architected for security from the beginning. We describe several such approaches from the AI literature.

2024-10-12

NeurIPS.cc/2024/Workshop/SafeGenAi (poster)

Identifying and Addressing Delusions for Target-Directed Decision-Making

Harry Zhao

Mingde Zhao

Tristan Sylvain

Doina Precup

We are interested in target-directed agents, which produce targets during decision-time planning, to guide their behaviors and achieve bette… (see more)r generalization during evaluation. Improper training of these agents can result in delusions: the agent may come to hold false beliefs about the targets, which cannot be properly rejected, leading to unwanted behaviors and damaging out-of-distribution generalization. We identify different types of delusions by using intuitive examples in carefully controlled environments, and investigate their causes. We demonstrate how delusions can be addressed for agents trained by hindsight relabeling, a mainstream approach in for training target-directed RL agents. We validate empirically the effectiveness of the proposed solutions in correcting delusional behaviors and improving out-of-distribution generalization.

2024-10-12

NeurIPS.cc/2024/Workshop/SafeGenAi (poster)

Steering Masked Discrete Diffusion Models via Discrete Denoising Posterior Prediction

Jarrid Rector-Brooks

Mohsin Hasan

Zhangzhi Peng

Zachary Quinn

Cheng-Hao Liu

Sarthak Mittal

Nouha Dziri

Michael M. Bronstein

Pranam Chatterjee

Alexander Tong

Joey Bose

2024-10-10

ArXiv (preprint)

AI-Assisted Generation of Difficult Math Questions

Vedant Shah

Dingli Yu

Kaifeng Lyu

Simon Park

Jiatong Yu

Yinghui He

James Lloyd McClelland

Nan Rosemary Ke

Michael Curtis Mozer

Sanjeev Arora

Anirudh Goyal

Current LLM training positions mathematical reasoning as a core capability. With publicly available sources fully tapped, there is unmet dem… (see more)and for diverse and challenging math questions. Relying solely on human experts is both time-consuming and costly, while LLM-generated questions often lack the requisite diversity and difficulty. We present a design framework that combines the strengths of LLMs with a human-in-the-loop approach to generate a diverse array of challenging math questions. We leverage LLM metacognition skills [Didolkar et al., 2024] of a strong LLM to extract core"skills"from existing math datasets. These skills serve as the basis for generating novel and difficult questions by prompting the LLM with random pairs of core skills. The use of two different skills within each question makes finding such questions an"out of distribution"task for both LLMs and humans. Our pipeline employs LLMs to iteratively generate and refine questions and solutions through multiturn prompting. Human annotators then verify and further refine the questions, with their efficiency enhanced via further LLM interactions. Applying this pipeline on skills extracted from the MATH dataset [Hendrycks et al., 2021] resulted in MATH

2024-10-09

NeurIPS.cc/2024/Workshop/MATH-AI (accepted)

doi.org

VCR: Visual Caption Restoration

Tianyu Zhang

Suyuchen Wang

Lu Li

Ge Zhang

Perouz Taslakian

Sai Rajeswar

Jie Fu

Bang Liu

We introduce Visual Caption Restoration (VCR), a novel vision-language task that challenges models to accurately restore partially obscured … (see more)texts using pixel-level hints within images. This task stems from the observation that text embedded in images is intrinsically different from common visual elements and natural language due to the need to align the modalities of vision, text, and text embedded in images. While numerous works have integrated text embedded in images into visual question-answering tasks, approaches to these tasks generally rely on optical character recognition or masked language modeling, thus reducing the task to mainly text-based processing. However, text-based processing becomes ineffective in VCR as accurate text restoration depends on the combined information from provided images, context, and subtle cues from the tiny exposed areas of masked texts. We develop a pipeline to generate synthetic images for the VCR task using image-caption pairs, with adjustable caption visibility to control the task difficulty. With this pipeline, we construct a dataset for VCR called VCR-Wiki using images with captions from Wikipedia, comprising 2.11M English and 346K Chinese entities in both easy and hard split variants. Our results reveal that current vision language models significantly lag behind human performance in the VCR task, and merely fine-tuning the models on our dataset does not lead to notable improvements. We release VCR-Wiki and the data construction code to facilitate future research.

2024-10-09

NeurIPS.cc/2024/Workshop/Sys2-Reasoning (poster)

doi.org

Path-filtering in path-integral simulations of open quantum systems using GFlowNets

Jeremy Lackman-Mincoff

Moksh J. Jain

Nikolay Malkin