NL Assistant: A Toolkit for Developing Natural Language: Applications Deborah A Dahl author Lewis M Norton author Ahmed Bouzid author Li Li author 1997-03 text Fifth Conference on Applied Natural Language Processing: Descriptions of System Demonstrations and Videos Association for Computational Linguistics Washington, DC, USA conference publication dahl-etal-1997-nl 10.3115/974281.974301 https://aclanthology.org/A97-2019/ 1997-03 33 34