ON THE CLARIFICATION OF THE SEMANTICS OF THE EXTEND RELATIONSHIP IN USE CASE MODELS

Miguel A. Laguna, José M. Marqués

2008

Abstract

Use cases are a useful and simple technique to express the expected behavior of an information system in successful scenarios or in exceptional circumstances. The weakness of use cases has been always the vague semantics of the relationships, in particular the extend relationship. The main contribution of this article is an attempt to clarify the different interpretations that can be adopted. A major revision of the UML standard would be impractical, but the extension point concept could be completed, including minimum and maximum multiplicity attributes. Using these minor changes, the legal combination of base/extending use cases in the requirements models would be unequivocally defined. Therefore, the ambiguity of the original UML models would be removed.

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Paper Citation


in Harvard Style

A. Laguna M. and M. Marqués J. (2008). ON THE CLARIFICATION OF THE SEMANTICS OF THE EXTEND RELATIONSHIP IN USE CASE MODELS . In Proceedings of the Third International Conference on Software and Data Technologies - Volume 2: ICSOFT, ISBN 978-989-8111-52-4, pages 72-79. DOI: 10.5220/0001889800720079


in Bibtex Style

@conference{icsoft08,
author={Miguel A. Laguna and José M. Marqués},
title={ON THE CLARIFICATION OF THE SEMANTICS OF THE EXTEND RELATIONSHIP IN USE CASE MODELS},
booktitle={Proceedings of the Third International Conference on Software and Data Technologies - Volume 2: ICSOFT,},
year={2008},
pages={72-79},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001889800720079},
isbn={978-989-8111-52-4},
}


in EndNote Style

TY - CONF
JO - Proceedings of the Third International Conference on Software and Data Technologies - Volume 2: ICSOFT,
TI - ON THE CLARIFICATION OF THE SEMANTICS OF THE EXTEND RELATIONSHIP IN USE CASE MODELS
SN - 978-989-8111-52-4
AU - A. Laguna M.
AU - M. Marqués J.
PY - 2008
SP - 72
EP - 79
DO - 10.5220/0001889800720079