Teaching a Weaker Classifier: Named Entity Recognition on Upper Case Text Hai Leong Chieu author Hwee Tou Ng author 2002-07 text Proceedings of the 40th Annual Meeting of the Association for Computational Linguistics Pierre Isabelle editor Eugene Charniak editor Dekang Lin editor Association for Computational Linguistics Philadelphia, Pennsylvania, USA conference publication chieu-ng-2002-teaching 10.3115/1073083.1073164 https://aclanthology.org/P02-1061/ 2002-07 481 488