Conference paper

Implementation of a Modeling Tool Using Alloy as Meta-Modeling Language and CrocoPat as Validation Tool

The context of our work is a project that focuses on methods and tools for modeling enterprise architectures. An enterprise architecture model represents the structure of an enterprise across multiple levels, from the markets in which it operates down to the implementation of the technical systems that support its operation. These models are based on an ontology that defines the model elements and their relations. In this paper, we describe an efficient method to fully automatically verify the design that our modeling tool manages. We specify the ontology in Alloy, and use the efficient interpreter for relational programs CrocoPat to verify that the design fulfills all constraints specified in the ontology. Technically, we transform all constraints from Alloy into a relational program in CrocoPat’s programming language. Then, we execute the relational program and feed it with a relational representation of the design as input, in order to check that the design element instances fulfill all constraints of the Alloy representation of the ontology. We also present the current limitations of our approach and how –by overcoming these limitations– we can develop an Alloy-based parameterized modeling tool.


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