Multiple Underlying Systems: Translating User Requests into Programs to Produce Answers Robert J Bobrow author Philip Resnik author Ralph M Weischedel author 1990-06 text 28th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Pittsburgh, Pennsylvania, USA conference publication bobrow-etal-1990-multiple 10.3115/981823.981852 https://aclanthology.org/P90-1029/ 1990-06 227 234