Taxonomy, Descriptions, and Individuals in Natural Language Understanding Ronald J Brachman author 1979-06 text 17th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics La Jolla, California, USA conference publication brachman-1979-taxonomy 10.3115/982163.982174 https://aclanthology.org/P79-1009/ 1979-06 33 37