Apologiae Ontologiae Sergei Nirenburg author Victor Raskin author Boyan Onyshkevych author 1995-jul 5-7 text Proceedings of the Sixth Conference on Theoretical and Methodological Issues in Machine Translation of Natural Languages Katholieke Universiteit, Leuven conference publication nirenburg-etal-1995-apologiae https://aclanthology.org/1995.tmi-1.8/ 1995-jul 5-7