@article{understandingechochambersinecommerce,
  title = {Understanding Echo Chambers in E-commerce Recommender Systems},
  author = {Yingqiang Ge and Shuya Zhao and Honglu Zhou and Changhua Pei and Fei Sun and Wenwu Ou and Yongfeng Zhang},
  year = {2020},
  eprint = {2007.02474},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2007.02474v1},
}