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How Can a Subsystem Be Both a Package and a Classifier?

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«UML»’99 — The Unified Modeling Language (UML 1999)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1723))

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Abstract

The UML specifies that a subsystem is both a package and a classifier. This paper explores what that could possibly mean and explains why that was the right choice. It points out a key to the use of the concept in CASE tools, mentions the historical precedent for that key, and challenges CASE tools to support the flexibility that architects and designers need. Along the way, the paper reviews a method for discovering a good partition of a system into subsystems, describes a scheme for using UML to build a model of a system, and suggests some changes to the UML.

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Author information

Authors and Affiliations

  1. EDS, 10 South 5th Street Suite 1100, Minneapolis, MN, 55402, USA

    Joaquin Miller

  2. Wirfs-Brock Associates, 24003 SW Baker Road, Sherwood, OR, 97140, USA

    Rebecca Wirfs-Brock

Authors
  1. Joaquin Miller
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  2. Rebecca Wirfs-Brock
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Editor information

Editors and Affiliations

  1. Department of Computer Science, Colorado State University, Fort Collins, CO, 80523-1873, USA

    Robert France

  2. Institut für Informatik, Technische Universität München, D-80290, München, Germany

    Bernhard Rumpe

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© 1999 Springer-Verlag Berlin Heidelberg

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Miller, J., Wirfs-Brock, R. (1999). How Can a Subsystem Be Both a Package and a Classifier?. In: France, R., Rumpe, B. (eds) «UML»’99 — The Unified Modeling Language. UML 1999. Lecture Notes in Computer Science, vol 1723. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-46852-8_41

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  • DOI: https://doi.org/10.1007/3-540-46852-8_41

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-66712-4

  • Online ISBN: 978-3-540-46852-3

  • eBook Packages: Springer Book Archive

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