@article{basu-etal-2013-powergrading,
    title = "{P}owergrading: a Clustering Approach to Amplify Human Effort for Short Answer Grading",
    author = "Basu, Sumit  and
      Jacobs, Chuck  and
      Vanderwende, Lucy",
    editor = "Lin, Dekang  and
      Collins, Michael",
    journal = "Transactions of the Association for Computational Linguistics",
    volume = "1",
    year = "2013",
    address = "Cambridge, MA",
    publisher = "MIT Press",
    url = "https://preview.aclanthology.org/fix-sig-urls/Q13-1032/",
    doi = "10.1162/tacl_a_00236",
    pages = "391--402"
}