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Engagement and Affects in WikiTalk InteractionsSeptember 30th, 14hLPL Conference Room (5 avenue Pasteur)Kristiina JokinenUniversity of Helsinki (Finland)University of Tartu (Estonia)In this talk I will talk about my work related to interaction modelling,and discuss issues related to engagement in WikiTalk, a robot applicationthat enables the user to query Wikipedia via the Nao robot. The robotsupports open-domain conversations using Wikipedia as a knowledge source.To manage smooth interaction, it is important to capture the userísemotional and attentional state. I will focus on the challenges relatedto the topic structure, new information, and tracking the user's interestlevel, engagement, and emotional state in interaction.Slides&#160;