Symmetric Pattern Matching Analysis for English Coordinate Structures Akitoshi Okumura author Kazunori Muraki author 1994-10 text Fourth Conference on Applied Natural Language Processing Association for Computational Linguistics Stuttgart, Germany conference publication okumura-muraki-1994-symmetric 10.3115/974358.974368 https://aclanthology.org/A94-1007/ 1994-10 41 46