We describe how the interaction mode with an embodied conversational agent (ECA) affects
the users' perception of the agent and their behavior during interaction, and propose a …

Persuasion is a form of social influence and is a ubiquitous part of contemporary life. Even if
sometimes it is marked as negative, there is a growing interest from the research community …

This research aims at defining a real-time probabilistic model of user's engagement in
advice-giving dialogues. We propose an approach based on Hidden Markov Models …

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In this paper, we investigate the user's reactions to received suggestion by an Embodied
Conversational Agent playing the role of artificial therapist in the healthy eating domain …

In this chapter we present our experience with automatic dialogue act recognition using
empirical methods for exploiting lexical semantics in an unsupervised framework. Moreover …

Emotional argumentation is the result of a rational form of reasoning by the Persuader,
subsequently translated into messages by applying some variants of the 'classical' …

Students in higher education institutions are often advised to think critically, yet without
being guided to do so. The study investigated the use of a conversational agent (Botocrates) …