@inproceedings{loginova-benoit-2022-structural,
    title = "Structural information in mathematical formulas for exercise difficulty prediction: a comparison of {NLP} representations",
    author = "Loginova, Ekaterina  and
      Benoit, Dries",
    editor = {Kochmar, Ekaterina  and
      Burstein, Jill  and
      Horbach, Andrea  and
      Laarmann-Quante, Ronja  and
      Madnani, Nitin  and
      Tack, Ana{\"i}s  and
      Yaneva, Victoria  and
      Yuan, Zheng  and
      Zesch, Torsten},
    booktitle = "Proceedings of the 17th Workshop on Innovative Use of NLP for Building Educational Applications (BEA 2022)",
    month = jul,
    year = "2022",
    address = "Seattle, Washington",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2022.bea-1.14/",
    doi = "10.18653/v1/2022.bea-1.14",
    pages = "101--106"
}