@article{detectingmultitimescaleconsumption,
  title = {Detecting multi-timescale consumption patterns from receipt data: A non-negative tensor factorization approach},
  author = {Akira Matsui and Teruyoshi Kobayashi and Daisuke Moriwaki and Emilio Ferrara},
  year = {2020},
  eprint = {2004.13277},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2004.13277v2},
}