@article{knowledgegraphenhancedintelligenttutorin,
  title = {Knowledge Graph Enhanced Intelligent Tutoring System Based on Exercise Representativeness and Informativeness},
  author = {Linqing Li and Zhifeng Wang},
  year = {2023},
  eprint = {2307.15076},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2307.15076v1},
}