@inproceedings{optimizingdifferentiablerelaxationsof,
  title = {Optimizing Differentiable Relaxations of Coreference Evaluation Metrics},
  author = {Phong Le and Ivan Titov},
  year = {2017},
  booktitle = {CONLL 2017 8},
  eprint = {1704.04451},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1704.04451v3},
}