C-HyPOD: Causal Hyperbolic Representation Learning with Prototype Orthogonal Disentanglement for Graph Out-of-Distribution Recommendation.

@inproceedings{liang-2026-chypod, author = {Jiahao Liang and Yutian Xiao and Haoran Yang and Zhiwen Yu and Jia-Nan Liu and Kaixiang Yang}, editor = {Hakim Hacid and Yoelle Maarek and Francesco Bonchi and Ido Guy and Emine Yilmaz}, title = {{C-HyPOD: Causal Hyperbolic Representation Learning with Prototype Orthogonal Disentanglement for Graph Out-of-Distribution Recommendation}}, booktitle = {{Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026}}, pages = {6541--6550}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3774904.3792553}, doi = {https://doi.org/10.1145/3774904.3792553} }