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Olney, A. M., Hays, P., & Cade, W. L. (2013). XNAgent: Authoring embodied conversational agents for tutor-user interfaces. In E. Walker, & C.-K. Looi (Eds.), Proceedings of the Workshops at the 16th International Conference on Artificial Intelligence in Education (AIED 2013), Vol. 7 (pp. 137–145).