Describing Syntax with Star-Free Regular Expressions Anssi Yli-Jyrä author 2003-04 text 10th Conference of the European Chapter of the Association for Computational Linguistics Ann Copestake editor Jan Hajič editor Association for Computational Linguistics Budapest, Hungary conference publication yli-jyra-2003-describing https://aclanthology.org/E03-1031/ 2003-04