@article{hyperparameteroptimizationfoundations,
  title = {Hyperparameter Optimization: Foundations, Algorithms, Best Practices and Open Challenges},
  author = {Bernd Bischl and Martin Binder and Michel Lang and Tobias Pielok and Jakob Richter and Stefan Coors and Janek Thomas and Theresa Ullmann and Marc Becker and Anne-Laure Boulesteix and Difan Deng and Marius Lindauer},
  year = {2021},
  eprint = {2107.05847},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2107.05847v3},
}