no code implementations • ICML 2020 • Rafael Pinot, Raphael Ettedgui, Geovani Rizk, Yann Chevaleyre, Jamal Atif
We demonstrate the non-existence of a Nash equilibrium in our game when the classifier and the adversary are both deterministic, hence giving a negative answer to the above question in the deterministic regime.
no code implementations • 3 Jun 2022 • Raphael Ettedgui, Alexandre Araujo, Rafael Pinot, Yann Chevaleyre, Jamal Atif
We first show that these certificates use too little information about the classifier, and are in particular blind to the local curvature of the decision boundary.
no code implementations • 20 May 2022 • Laurent Meunier, Raphaël Ettedgui, Rafael Pinot, Yann Chevaleyre, Jamal Atif
In this paper, we expose some pathological behaviors specific to the adversarial problem, and show that no convex surrogate loss can be consistent or calibrated in this context.
no code implementations • 8 Dec 2021 • Celine Beji, Florian Yger, Jamal Atif
A Causal Auto-Encoder (CAE), enhanced by a prior dependent on treatment and outcome information, assimilates the latent space to the probability distribution of the target populations.
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.
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.
no code implementations • 22 Feb 2021 • Rafael Pinot, Laurent Meunier, Florian Yger, Cédric Gouy-Pailler, Yann Chevaleyre, Jamal Atif
This paper investigates the theory of robustness against adversarial attacks.
no code implementations • 13 Feb 2021 • Laurent Meunier, Meyer Scetbon, Rafael Pinot, Jamal Atif, Yann Chevaleyre
This paper tackles the problem of adversarial examples from a game theoretic point of view.
no code implementations • 30 Sep 2020 • Eric Benhamou, David Saltiel, Sandrine Ungari, Abhishek Mukhopadhyay, Jamal Atif
Can an agent learn efficiently in a noisy and self adapting environment with sequential, non-stationary and non-homogeneous observations?
no code implementations • 7 Sep 2020 • Eric Benhamou, David Saltiel, Jean-Jacques Ohana, Jamal Atif
Deep reinforcement learning (DRL) has reached super human levels in complex tasks like game solving (Go and autonomous driving).
2 code implementations • 15 Jun 2020 • Alexandre Araujo, Benjamin Negrevergne, Yann Chevaleyre, Jamal Atif
This paper tackles the problem of Lipschitz regularization of Convolutional Neural Networks.
no code implementations • 12 Jun 2020 • Meyer Scetbon, Laurent Meunier, Jamal Atif, Marco Cuturi
When there is only one agent, we recover the Optimal Transport problem.
no code implementations • 10 Apr 2020 • Céline Beji, Michaël Bon, Florian Yger, Jamal Atif
Estimating the Individual Treatment Effect from observational data, defined as the difference between outcomes with and without treatment or intervention, while observing just one of both, is a challenging problems in causal learning.
1 code implementation • 26 Feb 2020 • Rafael Pinot, Raphael Ettedgui, Geovani Rizk, Yann Chevaleyre, Jamal Atif
We demonstrate the non-existence of a Nash equilibrium in our game when the classifier and the Adversary are both deterministic, hence giving a negative answer to the above question in the deterministic regime.
no code implementations • 5 Oct 2019 • Laurent Meunier, Jamal Atif, Olivier Teytaud
In the targeted setting, we are able to reach, with a limited budget of $100, 000$, $100\%$ of success rate with a budget of $6, 662$ queries on average, i. e. we need $800$ queries less than the current state of the art.
no code implementations • 19 Jun 2019 • Rafael Pinot, Florian Yger, Cédric Gouy-Pailler, Jamal Atif
This short note highlights some links between two lines of research within the emerging topic of trustworthy machine learning: differential privacy and robustness to adversarial examples.
no code implementations • 14 May 2019 • Eric Benhamou, Jamal Atif, Rida Laraki, David Saltiel
This paper deals with estimating model parameters in graphical models.
no code implementations • ICLR 2019 • Alexandre Araujo, Benjamin Negrevergne, Yann Chevaleyre, Jamal Atif
Recent results from linear algebra stating that any matrix can be decomposed into products of diagonal and circulant matrices has lead to the design of compact deep neural network architectures that perform well in practice.
1 code implementation • NeurIPS 2019 • Rafael Pinot, Laurent Meunier, Alexandre Araujo, Hisashi Kashima, Florian Yger, Cédric Gouy-Pailler, Jamal Atif
This paper investigates the theory of robustness against adversarial attacks.
no code implementations • 29 Jan 2019 • Alexandre Araujo, Benjamin Negrevergne, Yann Chevaleyre, Jamal Atif
In this paper, we study deep diagonal circulant neural networks, that is deep neural networks in which weight matrices are the product of diagonal and circulant ones.
no code implementations • 27 Dec 2018 • Eric Benhamou, Jamal Atif, Rida Laraki
This allows creating a version of CMA ES that can accommodate efficiently discrete variables.
1 code implementation • 2 Oct 2018 • Alexandre Araujo, Benjamin Negrevergne, Yann Chevaleyre, Jamal Atif
In real world scenarios, model accuracy is hardly the only factor to consider.
1 code implementation • NeurIPS 2018 • Ikko Yamane, Florian Yger, Jamal Atif, Masashi Sugiyama
Uplift modeling is aimed at estimating the incremental impact of an action on an individual's behavior, which is useful in various application domains such as targeted marketing (advertisement campaigns) and personalized medicine (medical treatments).
no code implementations • 10 Mar 2018 • Rafael Pinot, Anne Morvan, Florian Yger, Cédric Gouy-Pailler, Jamal Atif
In this paper, we present the first differentially private clustering method for arbitrary-shaped node clusters in a graph.
no code implementations • 5 Mar 2018 • Marc Aiguier, Jamal Atif, Isabelle Bloch, Ramón Pino-Pérez
The aim of this paper is to introduce a new framework for defining abductive reasoning operators based on a notion of retraction in arbitrary logics defined as satisfaction systems.
no code implementations • 12 Feb 2018 • Anne Morvan, Antoine Souloumiac, Krzysztof Choromanski, Cédric Gouy-Pailler, Jamal Atif
The aim of this paper is to endow the well-known family of hypercubic quantization hashing methods with theoretical guarantees.
no code implementations • 22 May 2017 • Anne Morvan, Antoine Souloumiac, Cédric Gouy-Pailler, Jamal Atif
We demonstrate the quality of our binary sketches through experiments on real data for the nearest neighbors search task in the online setting.
1 code implementation • 7 Mar 2017 • Anne Morvan, Krzysztof Choromanski, Cédric Gouy-Pailler, Jamal Atif
In this paper, we address the problem of recovering arbitrary-shaped data clusters from datasets while facing \emph{high space constraints}, as this is for instance the case in many real-world applications when analysis algorithms are directly deployed on resources-limited mobile devices collecting the data.
no code implementations • 19 Oct 2016 • Mariusz Bojarski, Anna Choromanska, Krzysztof Choromanski, Francois Fagan, Cedric Gouy-Pailler, Anne Morvan, Nourhan Sakr, Tamas Sarlos, Jamal Atif
We consider an efficient computational framework for speeding up several machine learning algorithms with almost no loss of accuracy.
no code implementations • 29 Sep 2016 • Yoann Isaac, Quentin Barthélemy, Cédric Gouy-Pailler, Michèle Sebag, Jamal Atif
This paper addresses the structurally-constrained sparse decomposition of multi-dimensional signals onto overcomplete families of vectors, called dictionaries.
no code implementations • 29 May 2016 • Krzysztof Choromanski, Francois Fagan, Cedric Gouy-Pailler, Anne Morvan, Tamas Sarlos, Jamal Atif
In particular, as a byproduct of the presented techniques and by using relatively new Berry-Esseen-type CLT for random vectors, we give the first theoretical guarantees for one of the most efficient existing LSH algorithms based on the $\textbf{HD}_{3}\textbf{HD}_{2}\textbf{HD}_{1}$ structured matrix ("Practical and Optimal LSH for Angular Distance").
no code implementations • 26 Feb 2015 • Marc Aiguier, Jamal Atif, Isabelle Bloch, Céline Hudelot
In this paper we address both the generalization of the well-known AGM postulates, and the definition of concrete and well-founded revision operators in different DL families.
no code implementations • 8 Feb 2015 • Marc Aiguier, Jamal Atif, Isabelle Bloch, Céline Hudelot
Belief revision of knowledge bases represented by a set of sentences in a given logic has been extensively studied but for specific logics, mainly propositional, and also recently Horn and description logics.
1 code implementation • EUSIPCO 2014 • Sylvain Chevallier, Quentin Barthélemy, Jamal Atif
Dictionary-based approaches are the focus of a growing attention in the signal processing community, often achieving state of the art results in several application fields.
1 code implementation • ICASSP 2014 • Sylvain Chevallier, Quentin Barthélemy, Jamal Atif
Overcomplete representations and dictionary learning algorithms are attracting a growing interest in the machine learning community.
no code implementations • 21 Mar 2013 • Yoann Isaac, Quentin Barthélemy, Jamal Atif, Cédric Gouy-Pailler, Michèle Sebag
An extensive empirical evaluation shows how the proposed approach compares to the state of the art depending on the signal features.
1 code implementation • 18 Feb 2013 • Sylvain Chevallier, Quentin Barthélemy, Jamal Atif
Despite a recurrent need to rely on a distance for learning or assessing multivariate overcomplete representations, no metrics in their underlying spaces have yet been proposed.