Metric learning from imbalanced data with generalization guarantees

L Gautheron, A Habrard, E Morvant… - Pattern Recognition Letters, 2020 - Elsevier
Since many machine learning algorithms require a distance metric to capture dis/similarities
between data points, metric learning has received much attention during the past decade …

Learning fair scoring functions: Bipartite ranking under roc-based fairness constraints

R Vogel, A Bellet, S Clémençon - … conference on artificial …, 2021 - proceedings.mlr.press
Many applications of AI involve scoring individuals using a learned function of their
attributes. These predictive risk scores are then used to take decisions based on whether the …

Metric learning from imbalanced data

L Gautheron, A Habrard, E Morvant… - 2019 IEEE 31st …, 2019 - ieeexplore.ieee.org
A key element of any machine learning algorithm is the use of a function that measures the
dis/similarity between data points. Given a task, such a function can be optimized with a …

Generalization bounds in the presence of outliers: a median-of-means study

P Laforgue, G Staerman… - … Conference on Machine …, 2021 - proceedings.mlr.press
In contrast to the empirical mean, the Median-of-Means (MoM) is an estimator of the mean
$\theta $ of a square integrable rv Z, around which accurate nonasymptotic confidence …

Pairwise supervision can provably elicit a decision boundary

H Bao, T Shimada, L Xu, I Sato, M Sugiyama - arXiv preprint arXiv …, 2020 - arxiv.org
Similarity learning is a general problem to elicit useful representations by predicting the
relationship between a pair of patterns. This problem is related to various important …

On medians of (randomized) pairwise means

P Laforgue, S Clémençon… - … Conference on Machine …, 2019 - proceedings.mlr.press
Tournament procedures, recently introduced in the literature, offer an appealing alternative,
from a theoretical perspective at least, to the principle of Empirical Risk Minimization in …

[PDF][PDF] Learning fair scoring functions: Fairness definitions, algorithms and generalization bounds for bipartite ranking

R Vogel, A Bellet, M Team, S Clémençon, TP LTCI - stat, 2020 - researchgate.net
Many applications of AI, ranging from credit lending to medical diagnosis support through
recidivism prediction, involve scoring people using a learned function of their attributes …

Fraud prediction in smart supply chains using machine learning techniques

FV Constante-Nicolalde, P Guerra-Terán… - … Conference on Applied …, 2019 - Springer
In the domain of Big Data, the company's supply chain has a very high-risk exposure and
this must be observed from a preventive perspective, that is, act before such situations occur …

A new similarity space tailored for supervised deep metric learning

P Barros, F Queiroz, F Figueiredo, JAD Santos… - ACM Transactions on …, 2022 - dl.acm.org
We propose a novel deep metric learning method. Differently from many works in this area,
we define a novel latent space obtained through an autoencoder. The new space, namely S …

[PDF][PDF] Some representation learning tasks and the inspection of their models

L Pfahler - 2022 - eldorado.tu-dortmund.de
M in its cosmos of tasks, models, and methods is as diverse as ever.
While traditionally, we have distinguished only supervised learning tasks like classification …