https://arxiv.org/abs/2102.10263
Inducing a hierarchy for multi-class classification problems
Hayden S. Helm, Weiwei Yang, Sujeeth Bharadwaj, Kate Lytvynets, Oriana Riva, Christopher White, Ali Geisa, Carey E. Priebe
“In applications where categorical labels follow a natural hierarchy, classification methods that exploit the label structure often outperform those that do not…. we investigate a class of methods that induce a hierarchy that can similarly improve classification performance…”