@article{optiontracingbeyondbinaryknowledge,
  title = {Option Tracing: Beyond Binary Knowledge Tracing},
  author = {Aritra Ghosh and Andrew S. Lan},
  year = {2020},
  url = {https://dqanonymousdata.blob.core.windows.net/neurips-public/papers/arigosh/task_1_2_edu_neurips_ghosh_lan.pdf},
}