J. Allen, G. Ferguson, and A. Stent. IUI '01: Proceedings of the 6th international conference on Intelligent user interfaces, page 1--8. New York, NY, USA, ACM, (2001)
P. Andrews, M. Boni, and S. Manandhar. Proceedings of the AAAI 2006 Spring Symposium on Argumentation for Consumers of Healthcare, Stanford University, California, (27-29 03 2006)
P. Andrews, S. Manandhar, and M. Boni. Proceedings of the 9th SIGdial Workshop on Discourse and Dialogue, page 138--147. Columbus, Ohio, Association for Computational Linguistics, (June 2008)
P. Andrews, J. Pane, and I. Zaihrayeu. Workshop on Discovering Meaning On the Go in Large Heterogeneous Data 2011, International Joint Conference on Artificial Intelligence, (2011)