Elckerlyc goes mobile - Enabling natural interaction in mobile user interfaces

Randy Klaassen, Jordi Hendrix, Dennis Reidsma, Hendrikus J.A. op den Akker, Elisabeth M.A.G. van Dijk, Harm op den Akker

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    Abstract

    The fast growth of computational resources and speech technology available on mobile devices makes it possible to entertain users of these devices in having a natural dialogue with service systems. These systems are sometimes perceived as social agents and this can be supported by presenting them on the interface by means of an animated embodied conversational agent. To take the full advantage of the power of embodied conversational agents in service systems it is important to support real-time, online and responsive interaction with the system through the embodied conversational agent. The design of responsive animated conversational agents is a daunting task. Elckerlyc is a model-based platform for the speci﬿cation and animation of synchronised multi-modal responsive animated agents. This paper presents a new light-weight PictureEngine that allows to run this platform in mobile applications. We describe the integration of the PictureEngine in the user interface of two different coaching applications and discuss the ﬿ndings from user evaluations. We also conducted a study to evaluate an editing tool for the speci﬿cation of the agent’s communicative behaviour. Twenty one participants had to specify the behaviour of an embodied conversational agent using the PictureEngine. We may conclude that this new lightweight back-end engine for the Elckerlyc platform makes it easier to build embodied conversational interfaces for mobile devices.
    Original languageEnglish
    Pages (from-to)45-56
    Number of pages12
    JournalInternational journal on advances in telecommunications
    Volume6
    Issue number1 & 2
    Publication statusPublished - Jul 2013

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