Consistent unsupervised estimators for anchored PCFGs Alexander Clark author Nathanaël Fijalkow author 2021-02 text Proceedings of the Society for Computation in Linguistics 2021 Allyson Ettinger editor Ellie Pavlick editor Brandon Prickett editor Association for Computational Linguistics Online conference publication clark-fijalkow-2021-consistent https://aclanthology.org/2021.scil-1.60/ 2021-02 471 473