Miguel Pérez-Ramírez, Chris Fox. Imperatives as Obligatory and Permitted Actions. In Alexander F. Gelbukh, editor, Computational Linguistics and Intelligent Text Processing, 4th International Conference, CICLing 2003, Mexico City, Mexico, February 16-22, 2003, Proceedings. Volume 2588 of Lecture Notes in Computer Science, pages 52-64, Springer, 2003. [doi]
Abstract is missing.