Lucic, Ana, Harrie Oosterhuis, Hinda Haned, and Maarten de Rijke. 2022. “FOCUS: Flexible Optimizable Counterfactual Explanations for Tree Ensembles”. Proceedings of the AAAI Conference on Artificial Intelligence 36 (5):5313-22. https://doi.org/10.1609/aaai.v36i5.20468.