PhonMatrix: Visualizing co-occurrence constraints of sounds Thomas Mayer author Christian Rohrdantz author 2013-08 text Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics: System Demonstrations Miriam Butt editor Sarmad Hussain editor Association for Computational Linguistics Sofia, Bulgaria conference publication mayer-rohrdantz-2013-phonmatrix https://aclanthology.org/P13-4013/ 2013-08 73 78