@article{matrixsketchingforsecurecollaborative,
  title = {Matrix Sketching for Secure Collaborative Machine Learning},
  author = {Mengjiao Zhang and Shusen Wang},
  year = {2019},
  eprint = {1909.11201},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.11201v4},
}