Maria-Ribera Sancho

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Business process modeling using an artifact-centric approach has raised a significant interest over the last few years. This approach is usually stated in terms of the BALSA framework which defines the four " dimensions " of an artifact-centric business process model: Business Artifacts, Lifecycles, Services and Associations. One of the research challenges(More)
A phenomenon that frequently appears when designers define analysis specifications is that of redundancy between models. A correct and deep understanding of this phenomenon is necessary to help the task of the designer. In this paper, we study the problem of redundancy in UML Models for Object-Oriented Analysis. In this context, we identify different kinds(More)
1 Summary Conceptual modeling is an essential requirements engineering activity. Its objective is the development of the conceptual schema (CS) of an Information System (IS), which defines the general knowledge that an IS needs to know to perform its functions. A CS consists of a structural (sub)schema and a behavioral (sub)schema. The structural schema(More)
Constraints play an important role in conceptual modeling. In general, the specification of constraints, both static and transition, must be done in some logic-based language. Unfortunately, the resulting formulas may be complex, error-prone and difficult to read. This explain why almost all conceptual modeling languages have developed a special,(More)