@article{weng2020odqa,
  title   = "How to Build an Open-Domain Question Answering System?",
  author  = "Weng, Lilian",
  journal = "lilianweng.github.io",
  year    = "2020",
  month   = "Oct"
  url     = "https://lilianweng.github.io/posts/2020-10-29-odqa/"
}
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