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Design and evaluation of Elva: an embodied tour guide in an interactive virtual art gallery

机译：Elva的设计和评估：交互式虚拟美术馆中的具体导游

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The technology of embodied conversational agents provides an attractive approach to achieving natural human-computer interaction if the interaction design is handled sensitively. In view of this, we designed and developed an embodied tour guide, Elva, 'who' is able to engage conversationally with users about gallery exhibits and also capable of behaving non-verbally using gesture and facial expression. The research focuses on the attributes of agent autonomy and believability. To achieve autonomy, we present a three-layer architectural design to ensure appropriate coupling between the agent's perception and action. With regard to believability, we utilize the notion of schema to support structured and coherent verbal behaviours. We also pay careful attention to the design of non-verbal interactions that establish social facts within the virtual world. A user study was performed to evaluate user satisfaction and agent believability.
机译：如果对交互设计进行敏感的处理，则所包含的对话代理技术将为实现自然的人机交互提供一种有吸引力的方法。有鉴于此，我们设计并开发了一套具体的导游Elva，“ who”能够与用户就画廊的展览进行交流，并能够通过手势和面部表情进行非言语举止。该研究着重于代理人自主性和可信度的属性。为了实现自治，我们提出了一个三层体系结构设计，以确保代理的感知和行为之间的适当耦合。关于可信度，我们利用图式的概念来支持结构化和连贯的言语行为。我们还特别注意在虚拟世界中建立社会事实的非语言交互的设计。进行了一项用户研究，以评估用户满意度和座席可信度。

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