Abstract
In computer science, a constraint represents a restriction related to some element (e.g., a UML class), where it is usually specified by a Boolean expression. Several languages have been developed for constraint specification at the requirements level; still, problems exist, such as the introduction of new notions applied specifically to constraints instead of an attempt to integrate them into the requirements description, e.g., use of Object Constraint Language as an extension of Unified Modeling Language. This paper introduces a new method that integrates constraints into a flow-based diagrammatic conceptual model. Various features of this modeling are applied to several examples from the literature and to a case study that utilizes Role-Based Access Control (RBAC). The results suggest a promising approach to constraints specification as an integral part of the conceptual model of any system.
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Al-Fedaghi, S. (2015). Integrating Constraints in Schematics of Systems. In: Silhavy, R., Senkerik, R., Oplatkova, Z., Prokopova, Z., Silhavy, P. (eds) Software Engineering in Intelligent Systems. Advances in Intelligent Systems and Computing, vol 349. Springer, Cham. https://doi.org/10.1007/978-3-319-18473-9_17
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DOI: https://doi.org/10.1007/978-3-319-18473-9_17
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