Multi-Site Data Collection and Evaluation in Spoken Language Understanding L Hirschman author M Bates author D Dahl author W Fisher author J Garofolo author D Pallett author K Hunicke-Smith author P Price author A Rudnicky author E Tzoukermann author 1993 text Human Language Technology: Proceedings of a Workshop Held at Plainsboro, New Jersey, March 21-24, 1993 conference publication hirschman-etal-1993-multi https://aclanthology.org/H93-1004/ 1993