Strong Learning of Probabilistic Tree Adjoining Grammars Alexander Clark 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-2021-strong https://aclanthology.org/2021.scil-1.47/ 2021-02 406 414