@article{nonnegativefactorizationoftheoccurrence,
  title = {Non-negative Factorization of the Occurrence Tensor from Financial Contracts},
  author = {Zheng Xu and Furong Huang and Louiqa Raschid and Tom Goldstein},
  year = {2016},
  eprint = {1612.03350},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1612.03350v1},
}