no code implementations • 18 Sep 2022 • Imad Aouali, Amine Benhalloum, Martin Bompaire, Benjamin Heymann, Olivier Jeunen, David Rohde, Otmane Sakhi, Flavian vasile
Naturally, the reason for this is that we can directly measure utility metrics that rely on interventions, being the recommendations that are being shown to users.
1 code implementation • 3 Dec 2020 • Martin Bompaire, Antoine Désir, Benjamin Heymann
We dub our approach the Fixed Point Label Attribution (FiPLA) Algorithm.
Computer Science and Game Theory 91B26, 68Q32 I.2.6
no code implementations • 18 Sep 2019 • Olivier Jeunen, Dmytro Mykhaylov, David Rohde, Flavian vasile, Alexandre Gilotte, Martin Bompaire
In order to handle this "bandit-feedback" setting, several Counterfactual Risk Minimisation (CRM) methods have been proposed in recent years, that attempt to estimate the performance of different policies on historical data.
no code implementations • 24 Apr 2019 • Dmytro Mykhaylov, David Rohde, Flavian vasile, Martin Bompaire, Olivier Jeunen
There are three quite distinct ways to train a machine learning model on recommender system logs.
no code implementations • 10 Jul 2018 • Martin Bompaire, Emmanuel Bacry, Stéphane Gaïffas
The minimization of convex objectives coming from linear supervised learning problems, such as penalized generalized linear models, can be formulated as finite sums of convex functions.
2 code implementations • 10 Jul 2017 • Emmanuel Bacry, Martin Bompaire, Stéphane Gaïffas, Soren Poulsen
Tick is a statistical learning library for Python~3, with a particular emphasis on time-dependent models, such as point processes, and tools for generalized linear models and survival analysis.
no code implementations • 4 Jan 2015 • Emmanuel Bacry, Martin Bompaire, Stéphane Gaïffas, Jean-François Muzy
We consider the problem of unveiling the implicit network structure of node interactions (such as user interactions in a social network), based only on high-frequency timestamps.