Cristian Danescu-Niculescu-Mizil, Lillian Lee, Richard Ducott. Without a doubt ? Unsupervised Discovery of Downward-Entailing Operators. In Human Language Technologies: Conference of the North American Chapter of the Association of Computational Linguistics, Proceedings, May 31 - June 5, 2009, Boulder, Colorado, USA. pages 137-145, The Association for Computational Linguistics, 2009. [doi]
Abstract is missing.