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Marineau, J., Olney, A., Louwerse, M., Person, N., Olde, B., Susarla, S., Chipman, P., Graesser, A. C., & TRG (2002). AutoTutor’s log files and categories of language and discourse. In C. P. Rose, & V. Eleven (Eds.), Workshop Proceedings of Empirical Methods for Tutorial Dialogue Systems at ITS 2002 (pp. 85–92). San Sebastian, Spain.