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Compaction of Large Class Hierarchies in Databases for Chemical Engineering

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Datenbanksysteme in Büro, Technik und Wissenschaft

Part of the book series: Informatik aktuell ((INFORMAT))

Abstract

Engineering knowledge is characterized by variant and alternative designs for each problem. To alleviate reuse these variants should be captured as classes in the schema of the engineering database. The resulting class hierarchy may be bloated by intersection classes. This paper proposes a mechanism, called ”aspects”, which uses a restricted form of multiple instantiation to avoid intersection classes. Unlike similar approaches, such as ”roles”, our work allows various interdependencies between the different aspects of a class to be modelled. We demonstrate these abilities on an example taken from chemical process engineering.

The author is now working at: Philips Research Labs, Weisshausstr. 2, 52066 Aachen, Germany

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Author information

Authors and Affiliations

  1. Lehrstuhl für Prozeßtechnik, RWTH-Aachen, Turmstraße 46, 52056, Aachen, Germany

    M. Baumeister

  2. Lehrstuhl für Informatik V, RWTH-Aachen, Ahornstraße 55, 52056, Aachen, Germany

    M. Baumeister & M. Jarke

Authors
  1. M. Baumeister
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  2. M. Jarke
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Editor information

Editors and Affiliations

  1. Fachbereich Informatik, TU Darmstadt, Fachgebiet Datenverwaltungssysteme, Wilhelminenstrasse 7, D-64283, Darmstadt, Deutschland

    Alejandro P. Buchmann

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© 1999 Springer-Verlag Berlin Heidelberg

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Baumeister, M., Jarke, M. (1999). Compaction of Large Class Hierarchies in Databases for Chemical Engineering. In: Buchmann, A.P. (eds) Datenbanksysteme in Büro, Technik und Wissenschaft. Informatik aktuell. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-60119-4_21

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  • DOI: https://doi.org/10.1007/978-3-642-60119-4_21

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-65606-7

  • Online ISBN: 978-3-642-60119-4

  • eBook Packages: Springer Book Archive

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