@article{backpropasfunctoracompositional,
  title = {Backprop as Functor: A compositional perspective on supervised learning},
  author = {Brendan Fong and David I. Spivak and Rémy Tuyéras},
  year = {2017},
  eprint = {1711.10455},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1711.10455v3},
}