@inproceedings{ijcai2025p584, title = {SpectralGap: Graph-Level Out-of-Distribution Detection via Laplacian Eigenvalue Gaps}, author = {Gu, Jiawei and Qiao, Ziyue and Li, Zechao}, booktitle = {Proceedings of the Thirty-Fourth International Joint Conference on Artificial Intelligence, {IJCAI-25}}, publisher = {International Joint Conferences on Artificial Intelligence Organization}, editor = {James Kwok}, pages = {5244--5252}, year = {2025}, month = {8}, note = {Main Track}, doi = {10.24963/ijcai.2025/584}, url = {https://doi.org/10.24963/ijcai.2025/584}, }