@inproceedings{ozono25aied,
  author = {Tadachika Ozono and Yuna Kaneko and Masato Kikuchi},
  title = {Assessing Lecture Difficulty and Unexpected Events Using Subtle Facial Cues},
  booktitle = {Proceedings of the 26th International Conference on Artificial Intelligence in Education (AIED 2025)},
  publisher = {Springer, Cham},
  series = {CCIS},
  volume = {2591},
  number = {},
  pages = {366--373},
  year = {2025},
  month = {07},
  date = {2025-07-21},
  doi = {10.1007/978-3-031-99264-3_46},
  url = {https://drive.google.com/file/d/1N4_6F618XlI4XQ1_uG6IuAYKiEuoM1vz/view}
}