A. Dubey, F. Keller, and P. Sturt. Proceedings of the Human Language Technology Conference and the Conference on Empirical Methods in Natural Language Processing, page 827-834. Vancouver, Canada, (2005)
C. Brockmann, A. Isard, J. Oberlander, and M. White. Workshop on Adapting the Interaction Style to Affective Factors at the 10th International Conference on User Modeling, Edinburgh, UK, (2005)