Search Results for author: Alexandre Drouin

Found 24 papers, 17 papers with code

TACTiS-2: Better, Faster, Simpler Attentional Copulas for Multivariate Time Series

1 code implementation2 Oct 2023 Arjun Ashok, Étienne Marcotte, Valentina Zantedeschi, Nicolas Chapados, Alexandre Drouin

We introduce a new model for multivariate probabilistic time series prediction, designed to flexibly address a range of tasks including forecasting, interpolation, and their combinations.

Time Series Time Series Prediction

Benchmarking Bayesian Causal Discovery Methods for Downstream Treatment Effect Estimation

no code implementations11 Jul 2023 Chris Chinenye Emezue, Alexandre Drouin, Tristan Deleu, Stefan Bauer, Yoshua Bengio

Nevertheless, a notable gap exists in the evaluation of causal discovery methods, where insufficient emphasis is placed on downstream inference.

Benchmarking Causal Discovery +2

Causal Discovery with Language Models as Imperfect Experts

1 code implementation5 Jul 2023 Stephanie Long, Alexandre Piché, Valentina Zantedeschi, Tibor Schuster, Alexandre Drouin

Understanding the causal relationships that underlie a system is a fundamental prerequisite to accurate decision-making.

Causal Discovery Decision Making +2

Invariant Causal Set Covering Machines

1 code implementation7 Jun 2023 Thibaud Godon, Baptiste Bauvin, Pascal Germain, Jacques Corbeil, Alexandre Drouin

Rule-based models, such as decision trees, appeal to practitioners due to their interpretable nature.

GEO-Bench: Toward Foundation Models for Earth Monitoring

1 code implementation NeurIPS 2023 Alexandre Lacoste, Nils Lehmann, Pau Rodriguez, Evan David Sherwin, Hannah Kerner, Björn Lütjens, Jeremy Andrew Irvin, David Dao, Hamed Alemohammad, Alexandre Drouin, Mehmet Gunturkun, Gabriel Huang, David Vazquez, Dava Newman, Yoshua Bengio, Stefano Ermon, Xiao Xiang Zhu

Recent progress in self-supervision has shown that pre-training large neural networks on vast amounts of unsupervised data can lead to substantial increases in generalization to downstream tasks.

Regions of Reliability in the Evaluation of Multivariate Probabilistic Forecasts

1 code implementation19 Apr 2023 Étienne Marcotte, Valentina Zantedeschi, Alexandre Drouin, Nicolas Chapados

Multivariate probabilistic time series forecasts are commonly evaluated via proper scoring rules, i. e., functions that are minimal in expectation for the ground-truth distribution.

Time Series Time Series Forecasting

RandomSCM: interpretable ensembles of sparse classifiers tailored for omics data

1 code implementation11 Aug 2022 Thibaud Godon, Pier-Luc Plante, Baptiste Bauvin, Elina Francovic-Fontaine, Alexandre Drouin, Jacques Corbeil

Background: Understanding the relationship between the Omics and the phenotype is a central problem in precision medicine.

Ensemble Learning

TACTiS: Transformer-Attentional Copulas for Time Series

1 code implementation7 Feb 2022 Alexandre Drouin, Étienne Marcotte, Nicolas Chapados

The estimation of time-varying quantities is a fundamental component of decision making in fields such as healthcare and finance.

Decision Making Time Series +1

Toward Foundation Models for Earth Monitoring: Proposal for a Climate Change Benchmark

no code implementations1 Dec 2021 Alexandre Lacoste, Evan David Sherwin, Hannah Kerner, Hamed Alemohammad, Björn Lütjens, Jeremy Irvin, David Dao, Alex Chang, Mehmet Gunturkun, Alexandre Drouin, Pau Rodriguez, David Vazquez

Recent progress in self-supervision shows that pre-training large neural networks on vast amounts of unsupervised data can lead to impressive increases in generalisation for downstream tasks.

Typing assumptions improve identification in causal discovery

1 code implementation22 Jul 2021 Philippe Brouillard, Perouz Taslakian, Alexandre Lacoste, Sebastien Lachapelle, Alexandre Drouin

Causal discovery from observational data is a challenging task that can only be solved up to a set of equivalent solutions, called an equivalence class.

Causal Discovery

byteSteady: Fast Classification Using Byte-Level n-Gram Embeddings

no code implementations24 Jun 2021 Xiang Zhang, Alexandre Drouin, Raymond Li

This article introduces byteSteady -- a fast model for classification using byte-level n-gram embeddings.

text-classification Text Classification

In Search of Robust Measures of Generalization

1 code implementation NeurIPS 2020 Gintare Karolina Dziugaite, Alexandre Drouin, Brady Neal, Nitarshan Rajkumar, Ethan Caballero, Linbo Wang, Ioannis Mitliagkas, Daniel M. Roy

A large volume of work aims to close this gap, primarily by developing bounds on generalization error, optimization error, and excess risk.

Generalization Bounds

Differentiable Causal Discovery from Interventional Data

1 code implementation NeurIPS 2020 Philippe Brouillard, Sébastien Lachapelle, Alexandre Lacoste, Simon Lacoste-Julien, Alexandre Drouin

This work constitutes a new step in this direction by proposing a theoretically-grounded method based on neural networks that can leverage interventional data.

Causal Discovery

Deep Learning for Electromyographic Hand Gesture Signal Classification Using Transfer Learning

4 code implementations10 Jan 2018 Ulysse Côté-Allard, Cheikh Latyr Fall, Alexandre Drouin, Alexandre Campeau-Lecours, Clément Gosselin, Kyrre Glette, François Laviolette, Benoit Gosselin

Consequently, this paper proposes applying transfer learning on aggregated data from multiple users, while leveraging the capacity of deep learning algorithms to learn discriminant features from large datasets.

EMG Gesture Recognition General Classification +2

Maximum Margin Interval Trees

1 code implementation NeurIPS 2017 Alexandre Drouin, Toby Dylan Hocking, François Laviolette

Learning a regression function using censored or interval-valued output data is an important problem in fields such as genomics and medicine.

regression

Large scale modeling of antimicrobial resistance with interpretable classifiers

1 code implementation3 Dec 2016 Alexandre Drouin, Frédéric Raymond, Gaël Letarte St-Pierre, Mario Marchand, Jacques Corbeil, François Laviolette

Antimicrobial resistance is an important public health concern that has implications in the practice of medicine worldwide.

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