Tier-Based Modeling of Gradience and Distance-Based Decay in Phonological Processes Kevin Mcmullin author Phillip Burness author 2021-12 text Proceedings of the 17th Meeting on the Mathematics of Language Henrik Björklund editor Frank Drewes editor Association for Computational Linguistics Umeå, Sweden conference publication mcmullin-burness-2021-tier https://aclanthology.org/2021.mol-1.5/ 2021-12 50 63