@inproceedings{watanabe-nagao-1998-diagram,
    title = "Diagram Understanding Using Integration of Layout Information and Textual Information",
    author = "Watanabe, Yasuhiko  and
      Nagao, Makoto",
    booktitle = "{COLING} 1998 Volume 2: The 17th International Conference on Computational Linguistics",
    year = "1998",
    url = "https://aclanthology.org/C98-2219/"
}