Search Results for author: Philipp Ratz

Found 8 papers, 7 papers with code

Geospatial Disparities: A Case Study on Real Estate Prices in Paris

1 code implementation29 Jan 2024 Agathe Fernandes Machado, François Hu, Philipp Ratz, Ewen Gallic, Arthur Charpentier

Driven by an increasing prevalence of trackers, ever more IoT sensors, and the declining cost of computing power, geospatial information has come to play a pivotal role in contemporary predictive models.

Binary Classification Fairness

Parametric Fairness with Statistical Guarantees

no code implementations31 Oct 2023 François Hu, Philipp Ratz, Arthur Charpentier

Algorithmic fairness has gained prominence due to societal and regulatory concerns about biases in Machine Learning models.

Fairness

A Sequentially Fair Mechanism for Multiple Sensitive Attributes

1 code implementation12 Sep 2023 François Hu, Philipp Ratz, Arthur Charpentier

Our approach seamlessly extends to approximate fairness, enveloping a framework accommodating the trade-off between risk and unfairness.

Attribute Decision Making +1

Fairness Explainability using Optimal Transport with Applications in Image Classification

1 code implementation22 Aug 2023 Philipp Ratz, François Hu, Arthur Charpentier

Ensuring trust and accountability in Artificial Intelligence systems demands explainability of its outcomes.

Decision Making Fairness +1

Mitigating Discrimination in Insurance with Wasserstein Barycenters

1 code implementation22 Jun 2023 Arthur Charpentier, François Hu, Philipp Ratz

Given that such discrimination can often be attributed to historical data biases, an elimination or at least mitigation is desirable.

Fairness in Multi-Task Learning via Wasserstein Barycenters

1 code implementation16 Jun 2023 François Hu, Philipp Ratz, Arthur Charpentier

Algorithmic Fairness is an established field in machine learning that aims to reduce biases in data.

Binary Classification Decision Making +2

Nonparametric Value-at-Risk via Sieve Estimation

1 code implementation14 May 2022 Philipp Ratz

Artificial Neural Networks (ANN) have been employed for a range of modelling and prediction tasks using financial data.

Time Series Time Series Analysis

Collaborative Insurance Sustainability and Network Structure

1 code implementation5 Jul 2021 Arthur Charpentier, Lariosse Kouakou, Matthias Löwe, Philipp Ratz, Franck Vermet

In this paper, describe and analyse such a P2P product, with some reciprocal risk sharing contracts.

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