Consistent Unsupervised Estimators for Anchored PCFGs Alexander Clark author Nathanaël Fijalkow author 2020 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal clark-fijalkow-2020-consistent 10.1162/tacl_a_00323 https://aclanthology.org/2020.tacl-1.27/ 2020 8 409 422