A formal model to handle the adaptability of multimodal user interfaces

  • Authors:
  • Nadjet Kamel;Yamine Ait Ameur;Sid Ahmed Selouani;Habib Hamam

  • Affiliations:
  • Université de Moncton, Campus de Shippagan, N.-B. Canada;LISI/ENSMA, Fururoscope Cedex, France;Université de Moncton, Campus de Shippagan, N.-B. Canada;Université de Moncton and Canadian University of Dubai, Campus de Moncton, N.-B. Canada

  • Venue:
  • Proceedings of the 1st international conference on Ambient media and systems
  • Year:
  • 2008

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Abstract

In this paper we propose an approach for checking adaptability property of multimodal User Interfaces (UIs) for systems used in dynamic environments like mobile phones and PDAs. The approach is based on a formal description of both the multimodal interaction and the property. The SMV model-checking formal technique is used for the verification process of the property. The approach is defined in two steps. First, the system is described using a formal model, and the property is specified using CTL (Computation Tree Logic) temporal logic. Then, we assume that an environment changes such that at most one modality of the system is disabled. For this propose, Disable is defined as a formal operator that disables a modality in the system. The property is checked by using the SMV (Symbolic Model Verifier) model-checker on all systems resulting from desabling a modality of the system. The approach reduces the complexity of the model-checking process and allows the verification at earlier stages of the development life cycle. We apply this approach on a mobile phone case study.