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Attribute Core of Decision Table

  • Conference paper
  • First Online:
Rough Sets and Current Trends in Computing (RSCTC 2002)

Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 2475))

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Abstract

Attribute core of a decision table is often the start point and key of many information reduction procedures. In this paper, we will study the problem of calculating the attribute core of a decision table. We find some errors in some former results by Hu and Ye [1, 2]. Both definitions of attribute core in the algebra view and information view are studied and their difference is discovered. An algorithm for calculating the attribute core of a decision table in the information view and a systemic method for calculating the attribute core of a decision table in different cases are developed.

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References

  1. Hu X., Cercone N.: Learning in Relational Databases: a Rough Set Approach. Computational Intelligence, 2 (1995) 323–337

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  2. Ye D. Y., Chen Z. J.: A New Discernibility Matrix and the Computation of a Core. ACTA Electronica Sinica, to appear

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  3. Wang G. Y.: Algebra View and Information View of Rough Sets Theory, in Data Mining and Knowledge Discovery: Theory, Tools, and Technology III, Belur V. Dasarathy, Editor, Proceedings of SPIE Vol. 4384 (2001) 200–07

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Author information

Authors and Affiliations

  1. Institute of Computer Science and Technology, Chongqing University of Posts and Telecommunications, Chongqing, 400065, P. R. China

    G. Y. Wang

Authors
  1. G. Y. Wang
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Editor information

Editors and Affiliations

  1. Penn State Great Valley School of Professional Graduate Studies, 30 East Swedesford Road, Malvern, PA, 19355, USA

    James J. Alpigini

  2. Department of Electrical and Computer Engineering, University of Manitoba, Winnipeg, MB, R3T 5V6, Canada

    James F. Peters

  3. Institute of Mathematics, Warsaw University, Banacha 2, 02-097, Warsaw, Poland

    Andrzej Skowron

  4. Department of Systems and Information Engineering, Maebashi Institute of Technology, 460-1 Kamisadori-Cho, Maebashi-City, 371-0816, Japan

    Ning Zhong

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© 2002 Springer-Verlag Berlin Heidelberg

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Wang, G.Y. (2002). Attribute Core of Decision Table. In: Alpigini, J.J., Peters, J.F., Skowron, A., Zhong, N. (eds) Rough Sets and Current Trends in Computing. RSCTC 2002. Lecture Notes in Computer Science(), vol 2475. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45813-1_27

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  • DOI: https://doi.org/10.1007/3-540-45813-1_27

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-44274-5

  • Online ISBN: 978-3-540-45813-5

  • eBook Packages: Springer Book Archive

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