@inproceedings{NeurIPS'23:covariate_shift,
    author = {Yu-Jie Zhang and Zhen-Yu Zhang and Peng Zhao and Masashi Sugiyama},
    title = {Adapting to Continuous Covariate Shift via Online Density Ratio Estimation},
    booktitle = {Advances in Neural Information Processing Systems 36 (NeurIPS)},
    year = {2023},
    pages = {29074--29113}
}