@article{sachan-etal-2019-discourse,
    title = "Discourse in Multimedia: A Case Study in Extracting Geometry Knowledge from Textbooks",
    author = "Sachan, Mrinmaya  and
      Dubey, Avinava  and
      Hovy, Eduard H.  and
      Mitchell, Tom M.  and
      Roth, Dan  and
      Xing, Eric P.",
    journal = "Computational Linguistics",
    volume = "45",
    number = "4",
    month = dec,
    year = "2019",
    address = "Cambridge, MA",
    publisher = "MIT Press",
    url = "https://preview.aclanthology.org/Add-Cong-Liu-Florida-Atlantic-University-author-id/J19-4002/",
    doi = "10.1162/coli_a_00360",
    pages = "627--665"
}