Combination of Symbolic and Statistical Approaches for Grammatical Knowledge Acquisition Masaki Kiyono author Jun’ichi Tsujii author 1994-10 text Fourth Conference on Applied Natural Language Processing Association for Computational Linguistics Stuttgart, Germany conference publication kiyono-tsujii-1994-combination 10.3115/974358.974375 https://aclanthology.org/A94-1012/ 1994-10 72 77