Sign language generation using HPSG Ian Marshall author Éva Sáfár author 2002-mar 13-17 text Proceedings of the 9th Conference on Theoretical and Methodological Issues in Machine Translation of Natural Languages: Papers Keihanna, Japan conference publication marshall-safar-2002-sign https://aclanthology.org/2002.tmi-papers.12/ 2002-mar 13-17