@InProceedings{belz-EtAl:2011:ENLG1, author = {Belz, Anja and Gatt, Albert and Koller, Alexander and Striegnitz, Kristina}, title = {Generation Challenges 2011 Preface}, booktitle = {Proceedings of the Generation Challenges Session at the 13th European Workshop on Natural Language Generation}, month = {September}, year = {2011}, address = {Nancy, France}, publisher = {Association for Computational Linguistics}, pages = {206--207}, url = {http://www.aclweb.org/anthology/W11-2829} }