Formal modelling of output multi-modal HCI in Event-B. Modalities and media allocation
Mohand Oussaïd, Linda
Ait Sadoune, Idir
Ait Ameur, Yamine
Multi-modal Human-Computer Interfaces (HCI) allow interface designers to combine interactive modalities in order to increase interactive systems robustness and usability. In particular, output multi-modal interfaces allow the system to return the information to the user by using several modalities and media. In order to design such interfaces for critical systems, we proposed a generic formal model for the design of output multimodal interfaces. The proposed model consists of two successive models: the fission model that describes the semantic decomposition of information produced by the functional core into elementary information, and the allocation model that specifies the allocation of pairs modality/media for each elementary information. In a previous work (Mohand-Oussaid, Ait-Sadoune, and Ait-Ameur 2011), we have proposed an Event-B implementation of the fission model. In this paper, we present an Event-B implementation of the allocation model.
Multi-modal interaction, Modalities, Media, formal design, formal verification
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