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— Our work focuses on the use of formal techniques in order to increase the quality of HCI software and of all the processes resulting from the development, verification, design and validation activities. This paper shows how the B formal technique can be used for user tasks modelling and validation. A trace based semantics is used to describe either the(More)
This paper presents the use of the B technique in its event based definition. We show that it is possible to encode, using Event B, the models i.e. transition systems associated to a process algebra with asynchronous semantics. The Event B obtained encoding considers that the Event B model associated to the left hand side of a BNF rule defining the algebra(More)
RESUME Cette démonstration concerne K-MADe, un outil destiné à contribuer à l'intégration de l'ergonomie au processus de conception des systèmes interactifs, par l'analyse de l'activité et des tâches. L'originalité de cet outil est de se baser sur un modèle dont les capacités d'expression re-posent sur une sémantique formelle. Ceci facilite la description(More)
Cet article s'intéressè a la validation età la vérification formelles d'IHM Multi-Modales (IHM3). Il décrit une partie des résultats obtenus dans le cadre du projet RNRT VERBATIM, dont l'objet est la VERification Biformelle et l'Automatisation du Test des Interfaces Multimodales. Ce projet s'intéresse, entre autres, ` a la mise en oeuvre d'une technique(More)
Nowadays, domain ontologies are largely advocated by industrial and academic communities. This adoption gives raise to new needs for managing large amounts of ontological instances. Several ontological formalisms were proposed. Persistency solutions were developed for storing these instances in DBMS. Note that each DBMS has its own architecture and storage(More)