1 code implementation • 29 Aug 2023 • Pierre Nodet, Vincent Lemaire, Alexis Bondu, Antoine Cornuéjols
Training machine learning models from data with weak supervision and dataset shifts is still challenging.
1 code implementation • 18 Aug 2023 • Pierre Nodet, Vincent Lemaire, Alexis Bondu, Antoine Cornuéjols
That is why Biquality Learning has been proposed as a machine learning framework to design algorithms capable of handling multiple weaknesses of supervision and dataset shifts without assumptions on their nature and level by relying on the availability of a small trusted dataset composed of cleanly labeled and representative samples.
no code implementations • 2 Aug 2023 • Aurélien Renault, Alexis Bondu, Vincent Lemaire, Dominique Gay
Time Series Classification (TSC) has received much attention in the past two decades and is still a crucial and challenging problem in data science and knowledge engineering.
1 code implementation • 27 Apr 2022 • Alexis Bondu, Youssef Achenchabe, Albert Bifet, Fabrice Clérot, Antoine Cornuéjols, Joao Gama, Georges Hébrail, Vincent Lemaire, Pierre-François Marteau
However, the later a decision is made, the more its accuracy tends to improve, since the description of the problem to hand is enriched over time.
1 code implementation • 1 Apr 2022 • Youssef Achenchabe, Alexis Bondu, Antoine Cornuéjols, Vincent Lemaire
In the Early Classification in Open Time Series problem (ECOTS), the task is to predict events, i. e. their class and time interval, at the moment that optimizes the accuracy vs. earliness trade-off.
1 code implementation • 21 Sep 2021 • Youssef Achenchabe, Alexis Bondu, Antoine Cornuéjols, Vincent Lemaire
Many approaches have been proposed for early classification of time series in light of itssignificance in a wide range of applications including healthcare, transportation and fi-nance.
no code implementations • 20 Aug 2021 • Pierre Nodet, Vincent Lemaire, Alexis Bondu, Antoine Cornuéjols
In presence of noise the experiments show that fine tuning of Contrastive representation allows the six methods to achieve better results than end-to-end learning and represent a new reference compare to the recent state of art.
no code implementations • 27 Apr 2021 • Youssef Achenchabe, Alexis Bondu, Antoine Cornuéjols, Vincent Lemaire
Many approaches have been proposed for early classification of time series in light of its significance in a wide range of applications including healthcare, transportation and finance.
no code implementations • 15 Mar 2021 • Dominique Gay, Alexis Bondu, Vincent Lemaire, Marc Boullé
Supervised learning of time series data has been extensively studied for the case of a categorical target variable.
no code implementations • 16 Dec 2020 • Pierre Nodet, Vincent Lemaire, Alexis Bondu, Antoine Cornuéjols, Adam Ouorou
The field of Weakly Supervised Learning (WSL) has recently seen a surge of popularity, with numerous papers addressing different types of "supervision deficiencies".
1 code implementation • 19 Oct 2020 • Pierre Nodet, Vincent Lemaire, Alexis Bondu, Antoine Cornuéjols
The field of Weakly Supervised Learning (WSL) has recently seen a surge of popularity, with numerous papers addressing different types of "supervision deficiencies", namely: poor quality, non adaptability, and insufficient quantity of labels.
no code implementations • 20 May 2020 • Youssef Achenchabe, Alexis Bondu, Antoine Cornuéjols, Asma Dachraoui
An increasing number of applications require to recognize the class of an incoming time series as quickly as possible without unduly compromising the accuracy of the prediction.