Partially Supervised Named Entity Recognition via the Expected Entity Ratio Loss

Partially Supervised Named Entity Recognition via the Expected Entity Ratio Loss Thomas Effland author Michael Collins author 2021 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal effland-collins-2021-partially 10.1162/tacl_a_00429 https://aclanthology.org/2021.tacl-1.78/ 2021 9 1320 1335