Xie, S., Tam, D. S. H., & Lau, W. C. (2022). CoCoS: Enhancing Semi-supervised Learning on Graphs with Unlabeled Data via Contrastive Context Sharing. Proceedings of the AAAI Conference on Artificial Intelligence, 36(4), 4272-4280. https://doi.org/10.1609/aaai.v36i4.20347