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International Conference on Database and Expert Systems Applications

DEXA 1993: Database and Expert Systems Applications pp 457–460Cite as

Decomposition of four component items

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Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 720))

Abstract

Items are introduced as a universal formalism for describing data (ie individual things), information (ie relations) and knowledge (ie rules). A single rule for the normalisation of items is defined. The five normal forms for relational database together with the Boyce-Codd normal form provide a complete characterisation of the normalisation of 3-adic information items. New normal forms may be derived by applying our single rule of normalisation to n-adic items for n>3.

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References

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Author information

Authors and Affiliations

  1. Key Centre for Advanced Computing Sciences, University of Technology, PO Box 123, 2007, Sydney, NSW, Australia

    John Debenham

  2. CSIRO Division of Information Technology, Locked Bag 17, 2113, North Ryde, NSW, Australia

    John Debenham

Authors
  1. John Debenham
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Editor information

Vladimír Mařík Jiří Lažanský Roland R. Wagner

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© 1993 Springer-Verlag Berlin Heidelberg

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Debenham, J. (1993). Decomposition of four component items. In: Mařík, V., Lažanský, J., Wagner, R.R. (eds) Database and Expert Systems Applications. DEXA 1993. Lecture Notes in Computer Science, vol 720. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-57234-1_44

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  • DOI: https://doi.org/10.1007/3-540-57234-1_44

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-57234-3

  • Online ISBN: 978-3-540-47982-6

  • eBook Packages: Springer Book Archive

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