activity
20172026
most citedSMAC3: A Versatile Bayesian Optimization Package for Hyperparameter Optimization

83 citations · 215 across the 19 of their papers we have counts for

collaborators

21 papers

cs.LG2026

TACTICL: Task-Aware Compression of Tabular ICL Models

Mykhailo Koshil, Matthias Feurer, Katharina Eggensperger

The strong performance of foundation models for tabular tasks comes at substantial inference costs. Distilling models into task-specific architectures reduces model size and comput…

stat.ML2026

ShaplEIG: Bayesian Experimental Design for Shapley Value Estimation

David Rundel, Fabian Fumagalli, Maximilian Muschalik +2

Shapley values are a principled attribution measure widely used in interpretable machine learning, but their exact computation scales exponentially with the number of players, moti…

cs.LG2026

CASHomon Sets: Efficient Rashomon Sets Across Multiple Model Classes and their Hyperparameters

Fiona Katharina Ewald, Martin Binder, Matthias Feurer +2

Rashomon sets are model sets within one model class that perform nearly as well as a reference model from the same model class. They reveal the existence of alternative well-perfor…

cs.AI2025

Best Practices For Empirical Meta-Algorithmic Research: Guidelines from the COSEAL Research Network

Theresa Eimer, Lennart Schäpermeier, André Biedenkapp +15

Empirical research on meta-algorithmics, such as algorithm selection, configuration, and scheduling, often relies on extensive and thus computationally expensive experiments. With…

cs.LG2025

carps: A Framework for Comparing N Hyperparameter Optimizers on M Benchmarks

Carolin Benjamins, Helena Graf, Sarah Segel +14

Hyperparameter Optimization (HPO) is crucial to develop well-performing machine learning models. In order to ease prototyping and benchmarking of HPO methods, we propose carps, a b…

cs.LG2024

Position: A Call to Action for a Human-Centered AutoML Paradigm

Marius Lindauer, Florian Karl, Anne Klier +6

Automated machine learning (AutoML) was formed around the fundamental objectives of automatically and efficiently configuring machine learning (ML) workflows, aiding the research o…

cs.LG2024★ 2 cited

Position: Why We Must Rethink Empirical Research in Machine Learning

Moritz Herrmann, F. Julian D. Lange, Katharina Eggensperger +7

We warn against a common but incomplete understanding of empirical research in machine learning that leads to non-replicable results, makes findings unreliable, and threatens to un…

stat.ML2024

Reshuffling Resampling Splits Can Improve Generalization of Hyperparameter Optimization

Thomas Nagler, Lennart Schneider, Bernd Bischl +1

Hyperparameter optimization is crucial for obtaining peak performance of machine learning models. The standard protocol evaluates various hyperparameter configurations using a resa…

cs.LG2024★ 8 cited

Interpretable Machine Learning for TabPFN

David Rundel, Julius Kobialka, Constantin von Crailsheim +3

The recently developed Prior-Data Fitted Networks (PFNs) have shown very promising results for applications in low-data regimes. The TabPFN model, a special case of PFNs for tabula…

cs.LG2023★ 3 cited

PFNs4BO: In-Context Learning for Bayesian Optimization

Samuel Müller, Matthias Feurer, Noah Hollmann +1

In this paper, we use Prior-data Fitted Networks (PFNs) as a flexible surrogate for Bayesian Optimization (BO). PFNs are neural processes that are trained to approximate the poster…

cs.AI2023★ 23 cited

Can Fairness be Automated? Guidelines and Opportunities for Fairness-aware AutoML

Hilde Weerts, Florian Pfisterer, Matthias Feurer +7

The field of automated machine learning (AutoML) introduces techniques that automate parts of the development of machine learning (ML) systems, accelerating the process and reducin…

cs.LG2022★ 6 cited

Mind the Gap: Measuring Generalization Performance Across Multiple Objectives

Matthias Feurer, Katharina Eggensperger, Edward Bergman +3

Modern machine learning models are often constructed taking into account multiple objectives, e.g., minimizing inference time while also maximizing accuracy. Multi-objective hyperp…

cs.LG2021★ 83 cited

SMAC3: A Versatile Bayesian Optimization Package for Hyperparameter Optimization

Marius Lindauer, Katharina Eggensperger, Matthias Feurer +6

Algorithm parameters, in particular hyperparameters of machine learning algorithms, can substantially impact their performance. To support users in determining well-performing hype…

cs.LG2021★ 9 cited

HPOBench: A Collection of Reproducible Multi-Fidelity Benchmark Problems for HPO

Katharina Eggensperger, Philipp Müller, Neeratyoy Mallik +6

To achieve peak predictive performance, hyperparameter optimization (HPO) is a crucial component of machine learning and its applications. Over the last years, the number of effici…

cs.LG2020★ 3 cited

Squirrel: A Switching Hyperparameter Optimizer

Noor Awad, Gresa Shala, Difan Deng +9

In this short note, we describe our submission to the NeurIPS 2020 BBO challenge. Motivated by the fact that different optimizers work well on different problems, our approach swit…

cs.LG2020

Auto-Sklearn 2.0: Hands-free AutoML via Meta-Learning

Matthias Feurer, Katharina Eggensperger, Stefan Falkner +2

Automated Machine Learning (AutoML) supports practitioners and researchers with the tedious task of designing machine learning pipelines and has recently achieved substantial succe…

cs.LG2019★ 18 cited

OpenML-Python: an extensible Python API for OpenML

Matthias Feurer, Jan N. van Rijn, Arlind Kadra +6

OpenML is an online platform for open science collaboration in machine learning, used to share datasets and results of machine learning experiments. In this paper we introduce Open…

cs.LG2019★ 7 cited

Towards Assessing the Impact of Bayesian Optimization's Own Hyperparameters

Marius Lindauer, Matthias Feurer, Katharina Eggensperger +2

Bayesian Optimization (BO) is a common approach for hyperparameter optimization (HPO) in automated machine learning. Although it is well-accepted that HPO is crucial to obtain well…

cs.LG2019★ 27 cited

BOAH: A Tool Suite for Multi-Fidelity Bayesian Optimization & Analysis of Hyperparameters

Marius Lindauer, Katharina Eggensperger, Matthias Feurer +4

Hyperparameter optimization and neural architecture search can become prohibitively expensive for regular black-box Bayesian optimization because the training and evaluation of a s…

stat.ML2018★ 3 cited

Practical Transfer Learning for Bayesian Optimization

Matthias Feurer, Benjamin Letham, Frank Hutter +1

When hyperparameter optimization of a machine learning algorithm is repeated for multiple datasets it is possible to transfer knowledge to an optimization run on a new dataset. We…

stat.ML2017★ 23 cited

OpenML Benchmarking Suites

Bernd Bischl, Giuseppe Casalicchio, Matthias Feurer +6

Machine learning research depends on objectively interpretable, comparable, and reproducible algorithm benchmarks. We advocate the use of curated, comprehensive suites of machine l…