Proceedings of the Fourth Workshop on Speech and Language Processing for Assistive Technologies Jan Alexandersson editor Peter Ljunglöf editor Kathleen F McCoy editor François Portet editor Brian Roark editor Frank Rudzicz editor Michel Vacher editor 2013-08 Association for Computational Linguistics Grenoble, France text conference publication ws-2013-speech https://aclanthology.org/W13-3900/