@article{knowledgeannotationforintelligent,
  title = {Concept Annotation for Intelligent Textbooks},
  author = {Mengdi Wang and Hung Chau and Khushboo Thaker and Peter Brusilovsky and Daqing He},
  year = {2020},
  eprint = {2005.11422},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2005.11422v3},
}