XTAG - A Graphical Workbench for Developing Tree-Adjoining Grammars Patrick Paroubek author Yves Schabes author Aravind K Joshi author 1992-03 text Third Conference on Applied Natural Language Processing Association for Computational Linguistics Trento, Italy conference publication paroubek-etal-1992-xtag 10.3115/974499.974538 https://aclanthology.org/A92-1030/ 1992-03 223 230