UCM4IoT: A Use Case Modelling Environment for IoT Systems

Abstract

The engineering of IoT systems brings about various challenges due to the inherent complexities associated with such adaptive systems. Addressing the adaptive nature of IoT systems in the early stages of the development life cycle is essential for developing a complete and precise system specification. In this paper, we propose a use case modelling environment, UCM4IoT, to support requirements elicitation and specification of IoT systems. Our UCM4IoT language takes into account the heterogeneity of IoT systems and provides domain-specific language constructs to model the different facets of IoT. The language also incorporates the notion of exceptional situations and adaptive system behaviour. Our language is supported with a textual modelling environment to assist modellers in writing use cases. The environment supports syntax-directed editing, validation of use case models, and requirements analysis. The proposed language and tool is demonstrated with a smart store case study.