Concept and Structure of Semantic Markers for Machine Translation in Mu-Project Yoshiyuki Sakamoto author Tetsuya Ishikawa author Masayuki Satoh author 1986 text Coling 1986 Volume 1: The 11th International Conference on Computational Linguistics conference publication sakamoto-etal-1986-concept https://aclanthology.org/C86-1003/ 1986