Robustness Issues in a Data-Driven Spoken Language Understanding System Yulan He author Steve Young author 2004-may 2 - may 7 text Proceedings of the HLT-NAACL 2004 Workshop on Spoken Language Understanding for Conversational Systems and Higher Level Linguistic Information for Speech Processing Association for Computational Linguistics Boston, Massachusetts, USA conference publication he-young-2004-robustness https://aclanthology.org/W04-3007/ 2004-may 2 - may 7 39 46