no code implementations • ICLR 2019 • Xiang Jiang, Mohammad Havaei, Gabriel Chartrand, Hassan Chouaib, Thomas Vincent, Andrew Jesson, Nicolas Chapados, Stan Matwin
Current deep learning based text classification methods are limited by their ability to achieve fast learning and generalization when the data is scarce.
no code implementations • 7 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.
2 code implementations • 7 Feb 2020 • Boris N. Oreshkin, Dmitri Carpov, Nicolas Chapados, Yoshua Bengio
Can meta-learning discover generic ways of processing time series (TS) from a diverse dataset so as to greatly improve generalization on new TS coming from different datasets?
14 code implementations • ICLR 2020 • Boris N. Oreshkin, Dmitri Carpov, Nicolas Chapados, Yoshua Bengio
We focus on solving the univariate times series point forecasting problem using deep learning.
Time Series
Time-Series Few-Shot Learning with Heterogeneous Channels
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no code implementations • ICLR 2019 • Xiang Jiang, Mohammad Havaei, Farshid Varno, Gabriel Chartrand, Nicolas Chapados, Stan Matwin
Neural networks can learn to extract statistical properties from data, but they seldom make use of structured information from the label space to help representation learning.
no code implementations • 27 Jul 2018 • Andrew Jesson, Nicolas Guizard, Sina Hamidi Ghalehjegh, Damien Goblot, Florian Soudan, Nicolas Chapados
We introduce CASED, a novel curriculum sampling algorithm that facilitates the optimization of deep learning segmentation or detection models on data sets with extreme class imbalance.
no code implementations • 14 Jul 2018 • Andrew Jesson, Cécile Low-Kam, Tanya Nair, Florian Soudan, Florent Chandelier, Nicolas Chapados
The Adversarially Learned Mixture Model (AMM) is a generative model for unsupervised or semi-supervised data clustering.
no code implementations • 3 Jun 2018 • Xiang Jiang, Mohammad Havaei, Gabriel Chartrand, Hassan Chouaib, Thomas Vincent, Andrew Jesson, Nicolas Chapados, Stan Matwin
Based on the Model-Agnostic Meta-Learning framework (MAML), we introduce the Attentive Task-Agnostic Meta-Learning (ATAML) algorithm for text classification.
1 code implementation • 18 Jul 2016 • Mohammad Havaei, Nicolas Guizard, Nicolas Chapados, Yoshua Bengio
We introduce a deep learning image segmentation framework that is extremely robust to missing imaging modalities.
no code implementations • 15 May 2014 • Nicolas Chapados
Time series of counts arise in a variety of forecasting applications, for which traditional models are generally inappropriate.