Validating the web-based evaluation of NLG systems Alexander Koller author Kristina Striegnitz author Donna Byron author Justine Cassell author Robert Dale author Sara Dalzel-Job author Johanna Moore author Jon Oberlander author 2009-08 text Proceedings of the ACL-IJCNLP 2009 Conference Short Papers Keh-Yih Su editor Jian Su editor Janyce Wiebe editor Haizhou Li editor Association for Computational Linguistics Suntec, Singapore conference publication koller-etal-2009-validating https://aclanthology.org/P09-2076/ 2009-08 301 304