Defining meaningful units. Challenges in sign segmentation and segment-meaning mapping (short paper) Mirella De Sisto author Dimitar Shterionov author Irene Murtagh author Myriam Vermeerbergen author Lorraine Leeson author 2021-08 text Proceedings of the 1st International Workshop on Automatic Translation for Signed and Spoken Languages (AT4SSL) Dimitar Shterionov editor Association for Machine Translation in the Americas Virtual conference publication de-sisto-etal-2021-defining https://aclanthology.org/2021.mtsummit-at4ssl.11/ 2021-08 98 103