With the growing proliferation of mobile computing devices, the vision of the web anytime, anywhere and on any device is rapidly becoming a reality. Technologies enabling device-independent presentation and new interaction modalities like voice or gesture are moving from research to commercially available products. As a result, developers are faced with the increasing challenge of providing user interfaces that match the capabilities of the different devices available. Within this paper we present our applicationoriented research that has investigated single authoring of multimodal interfaces on mobile devices. After an overview of related work that explains the motivation behind our approach, we present a prototype authoring tool for the development of graphical as well as multimodal web-based user interfaces for multiple devices. We conclude by discussing the relation of our work to established web markup standards and point out noteworthy issues related to their application within our work.

We present in this poster our work on a User Interface Markup Language (UIML) vocabulary for the specification of device-and modality independent user interfaces. The work presented here is part of an application-oriented project. One of the results of the project is a prototype implementation of a generic platform for device independent multimodal mobile applications. The poster presents the requirements for a generic user interface description format and explains our approach on an integrated description of user interfaces for both graphical and voice modality. A basic overview of the vocabulary structure, its language elements and main features is presented.

This poster presents an overview of the work on an interaction manager of a platform for multimodal applications in 2.5G and 3G mobile phone networks and WLAN environments. The poster describes the requirements for the interaction manager (IM), its tasks and the resulting structure. We examine the W3C's definition of an interaction manager and compare it to our implementation, which accomplishes some additional tasks.

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We present in this poster our work on a User Interface Markup Language (UIML) vocabulary for the specification of device-and modality independent user interfaces. The work presented here is part of an application-oriented project. One of the results of the project is a prototype implementation of a generic platform for device independent multimodal mobile applications. The poster presents the requirements for a generic user interface description format and explains our approach on an integrated description of user interfaces for both graphical and voice modality. A basic overview of the vocabulary structure, its language elements and main features is presented.