Corpus-analysis for NLG Sabine Geldof author 2003-04 text Proceedings of the 9th European Workshop on Natural Language Generation (ENLG-2003) at EACL 2003 Ehud Reiter editor Helmut Horacek editor Kees van Deemter editor Association for Computational Linguistics Budapest, Hungary conference publication geldof-2003-corpus https://aclanthology.org/W03-2305/ 2003-04