%0 Journal Article %T Partially Supervised Named Entity Recognition via the Expected Entity Ratio Loss %A Effland, Thomas %A Collins, Michael %J Transactions of the Association for Computational Linguistics %D 2021 %V 9 %I MIT Press %C Cambridge, MA %F effland-collins-2021-partially %R 10.1162/tacl_a_00429 %U https://aclanthology.org/2021.tacl-1.78/ %U https://doi.org/10.1162/tacl_a_00429 %P 1320-1335