@article{khattab-etal-2021-relevance,
    title = "Relevance-guided Supervision for {O}pen{QA} with {C}ol{BERT}",
    author = "Khattab, Omar  and
      Potts, Christopher  and
      Zaharia, Matei",
    editor = "Roark, Brian  and
      Nenkova, Ani",
    journal = "Transactions of the Association for Computational Linguistics",
    volume = "9",
    year = "2021",
    address = "Cambridge, MA",
    publisher = "MIT Press",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2021.tacl-1.55/",
    doi = "10.1162/tacl_a_00405",
    pages = "929--944"
}