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

Miguel A. Laguna; José M. Marqués

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Paper

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

Topics: Requirements Analysis

In Proceedings of the Third International Conference on Software and Data Technologies - Volume 3: ICSOFT, 72-79, 2008 , Porto, Portugal

Authors: Miguel A. Laguna and José M. Marqués

Affiliation: University of Valladolid, Spain

Keyword(s): Use case, extend relationship.

Related Ontology Subjects/Areas/Topics: Enterprise Information Systems ; Information Systems Analysis and Specification ; Requirements Analysis And Management

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 several formats:

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 3: ICSOFT; ISBN 978-989-8111-52-4; ISSN 2184-2833, SciTePress, pages 72-79. DOI: 10.5220/0001889800720079

@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 3: ICSOFT},
year={2008},
pages={72-79},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001889800720079},
isbn={978-989-8111-52-4},
issn={2184-2833},
}

TY - CONF

JO - Proceedings of the Third International Conference on Software and Data Technologies - Volume 3: ICSOFT
TI - ON THE CLARIFICATION OF THE SEMANTICS OF THE EXTEND RELATIONSHIP IN USE CASE MODELS
SN - 978-989-8111-52-4
IS - 2184-2833
AU - A. Laguna, M.
AU - M. Marqués, J.
PY - 2008
SP - 72
EP - 79
DO - 10.5220/0001889800720079
PB - SciTePress