Automating NL Appointment Scheduling with COSMA Stephan Busemann 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 busemann-1997-automating 10.3115/974281.974285 https://aclanthology.org/A97-2003/ 1997-03 5 6