@inproceedings{AAAI'18:LALOT,
    author = {Peng Zhao and Zhi-Hua Zhou},
    title = {Label Distribution Learning by Optimal Transport},
    booktitle = {Proceedings of the Thirty-Second {AAAI} Conference on Artificial Intelligence (AAAI)},
    pages = {4506--4513},
    year = {2018}
}