Should Corpora Texts Be Gold Standards for NLG? Ehud Reiter author Somayajulu Sripada author 2002-07 text Proceedings of the International Natural Language Generation Conference Kathleen McKeown editor Association for Computational Linguistics Harriman, New York, USA conference publication reiter-sripada-2002-corpora https://aclanthology.org/W02-2113/ 2002-07 97 104