Applying Explanation-based Learning to Control and Speeding-up Natural Language Generation Gunter Neumann author 1997-07 text 35th Annual Meeting of the Association for Computational Linguistics and 8th Conference of the European Chapter of the Association for Computational Linguistics Association for Computational Linguistics Madrid, Spain conference publication neumann-1997-applying 10.3115/976909.979645 https://aclanthology.org/P97-1028/ 1997-07 214 221