¹Technology and Urbanism Center, State University of Piauí, Teresina, 64003-750, Brazil.
²Institute of Mathematics and Statistics, University of São Paulo, São Paulo, 05508-090, Brazil.

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Abstract—UML has become the "de facto" standard for modeling object-oriented software. However, the UML notation suffers from an imprecise and incomplete semantics definition, which makes difficult to automated analysis and is errors-prone. Formal methods have been used largely in order to deal with this problem. This paper proposes an approach to formally describe Use Case Diagram using the Event-B language. More specifically, it is presented a set of transformation rules that maps the elements of this diagram to elements of Event-B, both expressed via meta-models. The approach is illustrated by showing an example about how to make automatic verification in this diagram.

Index Terms—Formal semantics, use case diagram, event-B, formal verification.

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Cite: Thiago C. de Sousa, Luciano Kelvin, Constantino Dias Neto, Carlos Giovanni N. de Carvalho, "A Formal Semantics for Use Case Diagram Via Event-B," Journal of Software vol. 12, no. 3, pp. 189-200, 2017.