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In: Proceedings of the 2000 International Conference on Computers Helping People with Special Needs, Karlsruhe, Germany. International Conference on Computers Helping People with Special Needs (ICCHP), 2000.
In: Laila Dybkjaer, Koiti Hasida and David Traum (eds.) Proceedings of the ACL 2000 Workshop 1st SIGdial Workshop on Discourse and Dialogue , Hong Kong, October 2000. Annual SIGdial Meeting on Discourse and Dialogue (SIGdial), 2000.
In: Justine Cassell; Joseph Sullivan; Scott Prevost; Elizabeth Churchill (Hrsg.). Embodied Conversational Agents. Chapter 8, Pages 220-255, ISBN 978-0-262-03278-0, MIT Press, 4/2000.