A principled derivation of Harmonic Grammar Giorgio Magri author 2020-01 text Proceedings of the Society for Computation in Linguistics 2020 Allyson Ettinger editor Gaja Jarosz editor Joe Pater editor Association for Computational Linguistics New York, New York conference publication magri-2020-principled https://aclanthology.org/2020.scil-1.23/ 2020-01 179 188