Search Results for author: Niki Kilbertus

Found 18 papers, 10 papers with code

Multi-disciplinary fairness considerations in machine learning for clinical trials

no code implementations18 May 2022 Isabel Chien, Nina Deliu, Richard E. Turner, Adrian Weller, Sofia S. Villar, Niki Kilbertus

While interest in the application of machine learning to improve healthcare has grown tremendously in recent years, a number of barriers prevent deployment in medical practice.

Fairness

Supervised Learning and Model Analysis with Compositional Data

1 code implementation15 May 2022 Shimeng Huang, Elisabeth Ailer, Niki Kilbertus, Niklas Pfister

We propose KernelBiome, a kernel-based nonparametric regression and classification framework for compositional data.

Predicting single-cell perturbation responses for unseen drugs

1 code implementation28 Apr 2022 Leon Hetzel, Simon Böhm, Niki Kilbertus, Stephan Günnemann, Mohammad Lotfollahi, Fabian Theis

Single-cell transcriptomics enabled the study of cellular heterogeneity in response to perturbations at the resolution of individual cells.

Drug Discovery Transfer Learning

Stochastic Causal Programming for Bounding Treatment Effects

no code implementations22 Feb 2022 Kirtan Padh, Jakob Zeitler, David Watson, Matt Kusner, Ricardo Silva, Niki Kilbertus

Causal effect estimation is important for numerous tasks in the natural and social sciences.

On component interactions in two-stage recommender systems

no code implementations28 Jun 2021 Jiri Hron, Karl Krauth, Michael I. Jordan, Niki Kilbertus

Thanks to their scalability, two-stage recommenders are used by many of today's largest online platforms, including YouTube, LinkedIn, and Pinterest.

Recommendation Systems

Beyond Predictions in Neural ODEs: Identification and Interventions

no code implementations23 Jun 2021 Hananeh Aliee, Fabian J. Theis, Niki Kilbertus

Spurred by tremendous success in pattern matching and prediction tasks, researchers increasingly resort to machine learning to aid original scientific discovery.

Time Series

A causal view on compositional data

1 code implementation21 Jun 2021 Elisabeth Ailer, Christian L. Müller, Niki Kilbertus

Many scientific datasets are compositional in nature.

Beyond traditional assumptions in fair machine learning

no code implementations29 Jan 2021 Niki Kilbertus

Revisiting this limitation from a causal viewpoint we develop a more versatile conceptual framework, causal fairness criteria, and first algorithms to achieve them.

Decision Making Fairness

A Class of Algorithms for General Instrumental Variable Models

1 code implementation NeurIPS 2020 Niki Kilbertus, Matt J. Kusner, Ricardo Silva

Causal treatment effect estimation is a key problem that arises in a variety of real-world settings, from personalized medicine to governmental policy making.

The Sensitivity of Counterfactual Fairness to Unmeasured Confounding

1 code implementation1 Jul 2019 Niki Kilbertus, Philip J. Ball, Matt J. Kusner, Adrian Weller, Ricardo Silva

We demonstrate our new sensitivity analysis tools in real-world fairness scenarios to assess the bias arising from confounding.

Fairness

Convolutional neural networks: a magic bullet for gravitational-wave detection?

2 code implementations18 Apr 2019 Timothy D. Gebhard, Niki Kilbertus, Ian Harry, Bernhard Schölkopf

In the last few years, machine learning techniques, in particular convolutional neural networks, have been investigated as a method to replace or complement traditional matched filtering techniques that are used to detect the gravitational-wave signature of merging black holes.

Gravitational Wave Detection

Fair Decisions Despite Imperfect Predictions

1 code implementation8 Feb 2019 Niki Kilbertus, Manuel Gomez-Rodriguez, Bernhard Schölkopf, Krikamol Muandet, Isabel Valera

In this paper, we show that in this selective labels setting, learning a predictor directly only from available labeled data is suboptimal in terms of both fairness and utility.

Causal Inference Decision Making +1

Generalization in anti-causal learning

no code implementations3 Dec 2018 Niki Kilbertus, Giambattista Parascandolo, Bernhard Schölkopf

Anti-causal models are used to drive this search, but a causal model is required for validation.

Blind Justice: Fairness with Encrypted Sensitive Attributes

1 code implementation ICML 2018 Niki Kilbertus, Adrià Gascón, Matt J. Kusner, Michael Veale, Krishna P. Gummadi, Adrian Weller

Recent work has explored how to train machine learning models which do not discriminate against any subgroup of the population as determined by sensitive attributes such as gender or race.

Fairness

Learning Independent Causal Mechanisms

1 code implementation ICML 2018 Giambattista Parascandolo, Niki Kilbertus, Mateo Rojas-Carulla, Bernhard Schölkopf

The approach is unsupervised and based on a set of experts that compete for data generated by the mechanisms, driving specialization.

Transfer Learning

Avoiding Discrimination through Causal Reasoning

no code implementations NeurIPS 2017 Niki Kilbertus, Mateo Rojas-Carulla, Giambattista Parascandolo, Moritz Hardt, Dominik Janzing, Bernhard Schölkopf

Going beyond observational criteria, we frame the problem of discrimination based on protected attributes in the language of causal reasoning.

Fairness Frame

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