negMIX: Negative Mixup for OOD Generalization in Open-Set Node Classification.

@inproceedings{gong-2026-negmix, author = {Junwei Gong and Xiao Shen and Zhihao Chen and Shirui Pan and Xiao Wang and Xi Zhou}, editor = {Hakim Hacid and Yoelle Maarek and Francesco Bonchi and Ido Guy and Emine Yilmaz}, title = {{negMIX: Negative Mixup for OOD Generalization in Open-Set Node Classification}}, 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 = {707--718}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3774904.3792180}, doi = {https://doi.org/10.1145/3774904.3792180} }