The purpose of this chapter is to describe a model-based approach for automatic generation of usercentric interfaces for an individual mobile tourist. The generation of user-centric interfaces can provide a tourist with self-customized interfaces for efficient accessibility to mobile applications and services. The authors’ polymorphic logical description (PLD) model is an interface description created at design time to address the diverse needs and preferences of users in a mobile computing environment. A PLD consists of three important modeling elements, namely, polymorphic task modeling (PTM), polymorphic abstract modeling (PAM) and polymorphic concrete modeling (PCM). A toolkit was developed based on the model-based PLD approach to user interface design. The toolkit achieves user-centric and multidevice interface generation with a high degree of dynamism and flexibility. The evaluation results of user satisfaction of the toolkit and usability of the generated interfaces are provided.
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