@misc{khattab2020colbert,
  title={ColBERT: Efficient and Effective Passage Search via Contextualized Late Interaction over BERT},
  author={Omar Khattab and Matei Zaharia},
  year={2020},
  eprint={2004.12832},
  archivePrefix={arXiv},
  primaryClass={cs.IR},
  url={https://arxiv.org/abs/2004.12832}
}