@article{xu2025lego,
  title = {{LEGO-Learn}: Label-Efficient Graph Open-Set Learning},
  author = {Xu, Haoyan and Liu, Kay and Yao, Zhengtao and Yu, Philip S. and Li, Mengyuan and Ding, Kaize and Zhao, Yue},
  journal = {Transactions on Machine Learning Research},
  year = {2025},
  url = {https://openreview.net/forum?id=J6oxTJPOyN}
}