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On the representation of objects with polymorphic shape and behavior

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Entity-Relationship Approach — ER '94 Business Modelling and Re-Engineering (ER 1994)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 881))

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Abstract

In this paper we present the concept of roles as an extension to object-oriented database models in which identifiable groups of objects are allowed to evolve by assuming transient behavior, while preserving their identity. This mechanism can be used to implement multi-faceted, or polymorphic, objects by allowing the same object to be represented under different perspectives — possibly at discrete points in time — with each perspective having its own state and behavior. The concept of roles is used to implement dynamic properties and aspects of objects and provides for added modeling power and flexibility.

Part of this work was supported by an Australian DITARD grant.

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Author information

Authors and Affiliations

  1. School of Information Systems, Queensland University of Technology, GPO Box 2434, 4001, Brisbane, QLD, Australia

    M. P. Papazoglou & A. Bouguettaya

  2. Data Processing Technology, Fern Universität Hagen, PO Box 640, 58084, Hagen, Germany

    B. J. Krämer

Authors
  1. M. P. Papazoglou
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  2. B. J. Krämer
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  3. A. Bouguettaya
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Editor information

Pericles Loucopoulos

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© 1994 Springer-Verlag Berlin Heidelberg

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Papazoglou, M.P., Krämer, B.J., Bouguettaya, A. (1994). On the representation of objects with polymorphic shape and behavior. In: Loucopoulos, P. (eds) Entity-Relationship Approach — ER '94 Business Modelling and Re-Engineering. ER 1994. Lecture Notes in Computer Science, vol 881. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-58786-1_82

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  • DOI: https://doi.org/10.1007/3-540-58786-1_82

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-58786-6

  • Online ISBN: 978-3-540-49100-2

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