43 research outputs found

    Des buts à la modélisation système : une approche de modélisation des exigences centrée utilisateur

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    International audienceUn des problèmes en ingénierie des exigences consiste à capter les besoins des utilisateurs le mieux possible. Or force est de constater que les supports d’ingénierie tels que les modèles orientés but ou les diagrammes d’exigences orientés système tels que ceux de SYSML sont parfois trop complexes pour les utilisateurs finaux. Dans cet article, nous proposons un processus systématique permettant aux utilisateurs d’exprimer les exigences à l’aide de modèles cognitifs plus simples tels que les Mind Maps. Ces derniers sont alors transformés en modèles KAOS puis en modèles SYSML en appliquant des techniques de transformations de modèles. Nous avons appliqué cette approche à un cas d’application industriel

    Specification and verification of components interaction protocols in multi-agent systems.

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    Controllability Preservation and Behavioural Refinement for Service Protocols

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    A Formal Framework for Component Protocols Behavioural Compatibility

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    Formalizing Context-Based Behavioural Compatibility and Substitubility for Role Components in MAS.

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    A Compositional Framework to the Specification of Service Protocols Controllability and Substitutability

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    International audienceService description aims at specifying syntactic and semantic properties of the service by distinguishing several interoperability levels (signature, interaction protocol, and semantics). However, providing a basic service description is not sufficient to facilitate the development of services and provide customized information. To do so, it is important to develop formal methods and sufficient software tools for analysing service description. This paper provides a new compositional framework for specifying controllability and substitutability of service protocols interacting asynchronously. First, we investigate necessary and sufficient conditions for protocols controllability and give sufficient conditions for preserving controllability by composition. Then, we propose two protocols substitutability relations and show the soundness of our formal framework. Finally, we propose two protocols refinement relations for checking our substitutability relations and show that the implementability of protocols under refinement is context-independent. We use INA and CADP tools to automatically verify the protocols controllability and substitutability via refinement

    On compatibility and behavioural substitutability of component protocols

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    Compatibility and Conformance of Role-Based Interaction Components in MAS

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