Justine Cassell

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The Behavior Expression Animation Toolkit (BEAT) allows animators to input typed text that they wish to be spoken by an animated human figure, and to obtain as output appropriate and synchronized nonverbal behaviors and synthesized speech in a form that can be sent to a number of different animation systems. The nonverbal behaviors are assigned on the basis(More)
What kinds of social relationships can people have with computers? Are there activities that computers can engage in that actively draw people into relationships with them? What are the potential benefits to the people who participate in these human-computer relationships? To address these questions this work introduces a theory of Relational Agents, which(More)
We describe an implemented system which <italic>automatically</italic> generates and animates conversations between multiple human-like agents with appropriate and synchronized speech, intonation, facial expressions, and hand gestures. Conversation is created by a dialogue planner that produces the text as well as the intonation of the utterances. The(More)
Since the beginning of the SAIBA effort to unify key interfaces in the multi-modal behavior generation process, the Behavior Markup Language (BML) has both gained ground as an important component in many projects worldwide, and continues to undergo further refinement. This paper reports on the progress made in the last year in further developing BML. It(More)
Fantasy play and storytelling serve an important role in young children’s development. While computers are increasingly present in the world of young children, there is a lack of computational tools to support children’s voices in everyday storytelling, particularly in the context of fantasy play. We believe that there is a need for computational systems(More)
More than another friendly face, Rea knows how to have a conversation with living, breathing human users with a wink, a nod, and a sidelong glance. A nimals and humans all manifest social qualities and skills. Dogs recognize dominance and submission , stand corrected by their superiors, demonstrate consistent personalities, and so forth. On the other hand,(More)
Building trust with users is crucial in a wide range of applications, such as financial transactions, and some minimal degree of trust is required in all applications to even initiate and maintain an interaction with a user. Humans use a variety of relational conversational strategies, including small talk, to establish trusting relationships with each(More)
The functions of social dialogue between people in the context of performing a task is discussed, as well as approaches to modelling such dialogue in embodied conversational agents. A study of an agent’s use of social dialogue is presented, comparing embodied interactions with similar interactions conducted over the phone, assessing the impact these media(More)