2 code implementations • 24 Aug 2023 • Baptiste Rozière, Jonas Gehring, Fabian Gloeckle, Sten Sootla, Itai Gat, Xiaoqing Ellen Tan, Yossi Adi, Jingyu Liu, Tal Remez, Jérémy Rapin, Artyom Kozhevnikov, Ivan Evtimov, Joanna Bitton, Manish Bhatt, Cristian Canton Ferrer, Aaron Grattafiori, Wenhan Xiong, Alexandre Défossez, Jade Copet, Faisal Azhar, Hugo Touvron, Louis Martin, Nicolas Usunier, Thomas Scialom, Gabriel Synnaeve
We release Code Llama, a family of large language models for code based on Llama 2 providing state-of-the-art performance among open models, infilling capabilities, support for large input contexts, and zero-shot instruction following ability for programming tasks.
Ranked #15 on
Code Generation
on HumanEval
no code implementations • 16 Feb 2023 • Melissa Hall, Bobbie Chern, Laura Gustafson, Denisse Ventura, Harshad Kulkarni, Candace Ross, Nicolas Usunier
These metrics successfully incentivized performance improvements on person-centric tasks such as face analysis and are used to understand risks of modern models.
1 code implementation • 26 Oct 2022 • Jonas Gehring, Deepak Gopinath, Jungdam Won, Andreas Krause, Gabriel Synnaeve, Nicolas Usunier
Starting with a learned joint latent space, we separately train a generative model of demonstration sequences and an accompanying low-level policy.
no code implementations • 18 Oct 2022 • Virginie Do, Elvis Dohmatob, Matteo Pirotta, Alessandro Lazaric, Nicolas Usunier
We consider Contextual Bandits with Concave Rewards (CBCR), a multi-objective bandit problem where the desired trade-off between the rewards is defined by a known concave objective function, and the reward vector depends on an observed stochastic context.
no code implementations • 13 Sep 2022 • Nicolas Usunier, Virginie Do, Elvis Dohmatob
In this paper, we propose the first efficient online algorithm to optimize concave objective functions in the space of rankings which applies to every concave and smooth objective function, such as the ones found for fairness of exposure.
no code implementations • 20 Jul 2022 • David Lopez-Paz, Diane Bouchacourt, Levent Sagun, Nicolas Usunier
By highlighting connections to the literature in domain generalization, we propose to measure fairness as the ability of the system to generalize under multiple stress tests -- distributions of examples with social relevance.
no code implementations • 2 Apr 2022 • Virginie Do, Nicolas Usunier
Depending on these weights, GGFs minimize the Gini index of item exposure to promote equality between items, or focus on the performance on specific quantiles of least satisfied users.
1 code implementation • 15 Feb 2022 • Priya Goyal, Adriana Romero Soriano, Caner Hazirbas, Levent Sagun, Nicolas Usunier
Systematic diagnosis of fairness, harms, and biases of computer vision systems is an important step towards building socially responsible systems.
no code implementations • NeurIPS 2021 • Virginie Do, Sam Corbett-Davies, Jamal Atif, Nicolas Usunier
Our experiments also show that it increases the utility of the worse-off at lower costs in terms of overall utility.
1 code implementation • NeurIPS 2021 • Jonas Gehring, Gabriel Synnaeve, Andreas Krause, Nicolas Usunier
We alleviate the need for prior knowledge by proposing a hierarchical skill learning framework that acquires skills of varying complexity in an unsupervised manner.
no code implementations • 19 May 2021 • Virginie Do, Jamal Atif, Jérôme Lang, Nicolas Usunier
Citizens' assemblies need to represent subpopulations according to their proportions in the general population.
no code implementations • 29 Apr 2021 • Virginie Do, Sam Corbett-Davies, Jamal Atif, Nicolas Usunier
We propose to audit for envy-freeness, a more granular criterion aligned with individual preferences: every user should prefer their recommendations to those of other users.
2 code implementations • ICLR 2022 • Yuge Shi, Jeffrey Seely, Philip H. S. Torr, N. Siddharth, Awni Hannun, Nicolas Usunier, Gabriel Synnaeve
We perform experiments on both the Wilds benchmark, which captures distribution shift in the real world, as well as datasets in DomainBed benchmark that focuses more on synthetic-to-real transfer.
no code implementations • 17 Apr 2021 • Eltayeb Ahmed, Luisa Zintgraf, Christian A. Schroeder de Witt, Nicolas Usunier
In this work we explore an auxiliary loss useful for reinforcement learning in environments where strong performing agents are required to be able to navigate a spatial environment.
no code implementations • 1 Jan 2021 • Pierre-Alexandre Kamienny, Matteo Pirotta, Alessandro Lazaric, Thibault Lavril, Nicolas Usunier, Ludovic Denoyer
Meta-reinforcement learning aims at finding a policy able to generalize to new environments.
no code implementations • NeurIPS 2020 • Clement Calauzenes, Nicolas Usunier
We provide an answer to this question in the form of a structural characterization of ranking losses for which a suitable regression is consistent.
37 code implementations • ECCV 2020 • Nicolas Carion, Francisco Massa, Gabriel Synnaeve, Nicolas Usunier, Alexander Kirillov, Sergey Zagoruyko
We present a new method that views object detection as a direct set prediction problem.
Ranked #20 on
Panoptic Segmentation
on COCO minival
1 code implementation • 6 May 2020 • Pierre-Alexandre Kamienny, Matteo Pirotta, Alessandro Lazaric, Thibault Lavril, Nicolas Usunier, Ludovic Denoyer
We test the performance of our algorithm in a variety of environments where tasks may vary within each episode.
2 code implementations • ICLR 2020 • Timothée Lacroix, Guillaume Obozinski, Nicolas Usunier
Additionally, we propose a new dataset for knowledge base completion constructed from Wikidata, larger than previous benchmarks by an order of magnitude, as a new reference for evaluating temporal and non-temporal link prediction methods.
Ranked #1 on
Link Prediction
on YAGO15k
no code implementations • 5 Mar 2020 • Alexandre Défossez, Léon Bottou, Francis Bach, Nicolas Usunier
We provide a simple proof of convergence covering both the Adam and Adagrad adaptive optimization algorithms when applied to smooth (possibly non-convex) objective functions with bounded gradients.
1 code implementation • 27 Nov 2019 • Alexandre Défossez, Nicolas Usunier, Léon Bottou, Francis Bach
Source separation for music is the task of isolating contributions, or stems, from different instruments recorded individually and arranged together to form a song.
Ranked #3 on
Multi-task Audio Source Seperation
on MTASS
1 code implementation • NeurIPS 2019 • Nicolas Carion, Gabriel Synnaeve, Alessandro Lazaric, Nicolas Usunier
While centralized reinforcement learning methods can optimally solve small MAC instances, they do not scale to large problems and they fail to generalize to scenarios different from those seen during training.
Multi-agent Reinforcement Learning
reinforcement-learning
+3
no code implementations • 25 Sep 2019 • Timothée Lacroix, Guillaume Obozinski, Joan Bruna, Nicolas Usunier
However, as we show in this paper through experiments on standard benchmarks of link prediction in knowledge bases, ComplEx, a variant of CP, achieves similar performances to recent approaches based on Tucker decomposition on all operating points in terms of number of parameters.
1 code implementation • 3 Sep 2019 • Alexandre Défossez, Nicolas Usunier, Léon Bottou, Francis Bach
We study the problem of source separation for music using deep learning with four known sources: drums, bass, vocals and other accompaniments.
1 code implementation • ICML 2020 • Gregory Farquhar, Laura Gustafson, Zeming Lin, Shimon Whiteson, Nicolas Usunier, Gabriel Synnaeve
In complex tasks, such as those with large combinatorial action spaces, random exploration may be too inefficient to achieve meaningful learning progress.
no code implementations • 17 Dec 2018 • Neil Zeghidour, Qiantong Xu, Vitaliy Liptchinsky, Nicolas Usunier, Gabriel Synnaeve, Ronan Collobert
In this paper we present an alternative approach based solely on convolutional neural networks, leveraging recent advances in acoustic models from the raw waveform and language modeling.
Ranked #3 on
Speech Recognition
on WSJ eval93
no code implementations • 9 Dec 2018 • Yossi Adi, Neil Zeghidour, Ronan Collobert, Nicolas Usunier, Vitaliy Liptchinsky, Gabriel Synnaeve
In multi-task learning, the goal is speaker prediction; we expect a performance improvement with this joint training if the two tasks of speech recognition and speaker recognition share a common set of underlying features.
1 code implementation • ICLR 2018 • Gabriel Synnaeve, Zeming Lin, Jonas Gehring, Dan Gant, Vegard Mella, Vasil Khalidov, Nicolas Carion, Nicolas Usunier
We formulate the problem of defogging as state estimation and future state prediction from previous, partial observations in the context of real-time strategy games.
no code implementations • 21 Nov 2018 • Jonas Gehring, Da Ju, Vegard Mella, Daniel Gant, Nicolas Usunier, Gabriel Synnaeve
We consider the problem of high-level strategy selection in the adversarial setting of real-time strategy games from a reinforcement learning perspective, where taking an action corresponds to switching to the respective strategy.
1 code implementation • NeurIPS 2018 • Alexandre Défossez, Neil Zeghidour, Nicolas Usunier, Léon Bottou, Francis Bach
On the generalization task of synthesizing notes for pairs of pitch and instrument not seen during training, SING produces audio with significantly improved perceptual quality compared to a state-of-the-art autoencoder based on WaveNet as measured by a Mean Opinion Score (MOS), and is about 32 times faster for training and 2, 500 times faster for inference.
3 code implementations • ICML 2018 • Timothée Lacroix, Nicolas Usunier, Guillaume Obozinski
The problem of Knowledge Base Completion can be framed as a 3rd-order binary tensor completion problem.
Ranked #2 on
Link Prediction
on FB15k
1 code implementation • 19 Jun 2018 • Neil Zeghidour, Nicolas Usunier, Gabriel Synnaeve, Ronan Collobert, Emmanuel Dupoux
In this paper, we study end-to-end systems trained directly from the raw waveform, building on two alternatives for trainable replacements of mel-filterbanks that use a convolutional architecture.
no code implementations • ICLR 2018 • Nantas Nardelli, Gabriel Synnaeve, Zeming Lin, Pushmeet Kohli, Philip H. S. Torr, Nicolas Usunier
We present Value Propagation (VProp), a set of parameter-efficient differentiable planning modules built on Value Iteration which can successfully be trained using reinforcement learning to solve unseen tasks, has the capability to generalize to larger map sizes, and can learn to navigate in dynamic environments.
no code implementations • NeurIPS 2017 • Guillaume Lample, Neil Zeghidour, Nicolas Usunier, Antoine Bordes, Ludovic Denoyer, Marc'Aurelio Ranzato
This paper introduces a new encoder-decoder architecture that is trained to reconstruct images by disentangling the salient information of the image and the values of attributes directly in the latent space.
2 code implementations • 3 Nov 2017 • Neil Zeghidour, Nicolas Usunier, Iasonas Kokkinos, Thomas Schatz, Gabriel Synnaeve, Emmanuel Dupoux
We train a bank of complex filters that operates on the raw waveform and is fed into a convolutional neural network for end-to-end phone recognition.
no code implementations • ICCV 2017 • Siddhartha Chandra, Nicolas Usunier, Iasonas Kokkinos
In this work we introduce a structured prediction model that endows the Deep Gaussian Conditional Random Field (G-CRF) with a densely connected graph structure.
3 code implementations • 1 Jun 2017 • Guillaume Lample, Neil Zeghidour, Nicolas Usunier, Antoine Bordes, Ludovic Denoyer, Marc'Aurelio Ranzato
This paper introduces a new encoder-decoder architecture that is trained to reconstruct images by disentangling the salient information of the image and the values of attributes directly in the latent space.
1 code implementation • ICML 2017 • Moustapha Cisse, Piotr Bojanowski, Edouard Grave, Yann Dauphin, Nicolas Usunier
We introduce Parseval networks, a form of deep neural networks in which the Lipschitz constant of linear, convolutional and aggregation layers is constrained to be smaller than 1.
14 code implementations • 13 Dec 2016 • Edouard Grave, Armand Joulin, Nicolas Usunier
We propose an extension to neural network language models to adapt their prediction to the recent history.
Ranked #32 on
Language Modelling
on WikiText-2
(using extra training data)
2 code implementations • 1 Nov 2016 • Gabriel Synnaeve, Nantas Nardelli, Alex Auvolat, Soumith Chintala, Timothée Lacroix, Zeming Lin, Florian Richoux, Nicolas Usunier
We present TorchCraft, a library that enables deep learning research on Real-Time Strategy (RTS) games such as StarCraft: Brood War, by making it easier to control these games from a machine learning framework, here Torch.
1 code implementation • 21 Sep 2016 • Alexandre Sablayrolles, Matthijs Douze, Hervé Jégou, Nicolas Usunier
Hashing produces compact representations for documents, to perform tasks like classification or retrieval based on these short codes.
no code implementations • 10 Sep 2016 • Nicolas Usunier, Gabriel Synnaeve, Zeming Lin, Soumith Chintala
We consider scenarios from the real-time strategy game StarCraft as new benchmarks for reinforcement learning algorithms.
3 code implementations • 5 Jun 2015 • Antoine Bordes, Nicolas Usunier, Sumit Chopra, Jason Weston
Training large-scale question answering systems is complicated because training sources usually cover a small portion of the range of possible questions.
Ranked #1 on
Question Answering
on WebQuestions
(F1 metric)
2 code implementations • 2 Jun 2015 • Alberto Garcia-Duran, Antoine Bordes, Nicolas Usunier, Yves GRANDVALET
This paper tackles the problem of endogenous link prediction for Knowledge Base completion.
no code implementations • 1 May 2015 • Shameem A Puthiya Parambath, Nicolas Usunier, Yves GRANDVALET
We study the theoretical properties of a subset of non-linear performance measures called pseudo-linear performance measures which includes $F$-measure, \emph{Jaccard Index}, among many others.
no code implementations • NeurIPS 2014 • Shameem Puthiya Parambath, Nicolas Usunier, Yves GRANDVALET
We present a theoretical analysis of F-measures for binary, multiclass and multilabel classification.
no code implementations • 16 Apr 2014 • Antoine Bordes, Jason Weston, Nicolas Usunier
Building computers able to answer questions on any subject is a long standing goal of artificial intelligence.
Ranked #1 on
Question Answering
on Reverb
no code implementations • NeurIPS 2013 • Moustapha M. Cisse, Nicolas Usunier, Thierry Artières, Patrick Gallinari
This paper presents an approach to multilabel classification (MLC) with a large number of labels.
7 code implementations • NeurIPS 2013 • Antoine Bordes, Nicolas Usunier, Alberto Garcia-Duran, Jason Weston, Oksana Yakhnenko
We consider the problem of embedding entities and relationships of multi-relational data in low-dimensional vector spaces.
Ranked #5 on
Link Prediction
on FB122
no code implementations • EMNLP 2013 • Jason Weston, Antoine Bordes, Oksana Yakhnenko, Nicolas Usunier
This paper proposes a novel approach for relation extraction from free text which is trained to jointly use information from the text and from existing knowledge.
no code implementations • 26 Apr 2013 • Antoine Bordes, Nicolas Usunier, Alberto Garcia-Duran, Jason Weston, Oksana Yakhnenko
We consider the problem of embedding entities and relations of knowledge bases in low-dimensional vector spaces.
no code implementations • NeurIPS 2009 • Massih Amini, Nicolas Usunier, Cyril Goutte
We assume the existence of view generating functions which may complete the missing views in an approximate way.
no code implementations • NeurIPS 2008 • Massih Amini, Nicolas Usunier, François Laviolette
In this case, we propose a second bound on the joint probability that the voted classifier makes an error over an example having its margin over a fixed threshold.