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Aggregates as Meta Functions

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Foundations of Intelligent Systems (ISMIS 2002)

Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 2366))

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Abstract

OLAP operations have been widely accepted as a suitable method for decision support by data analysis. Among others, roll-up and drill-down are practically implemented by using database operations. However, we cannot define them as inverses of each other since they assume how to manage materialized views. In this work, we model these operators in the framework of meta objects, and extend relational algebra by introducing meta operators group and apply. Then we show two OLAP operations can be managed within the framework of (new) database operations.

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References

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Author information

Authors and Affiliations

  1. Dept. of Elect. and Elect. Engr, Hosei University, Kajinocho 3-7-2, Koganei, Tokyo, Japan

    Shingo Kashikawa, Shogo Ogura & Takao Miura

  2. Dept. of Informatics, SANNO University, Kamikasuya 1573, Isehara, Kanagawa, Japan

    Isamu Shioya

Authors
  1. Shingo Kashikawa
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  2. Shogo Ogura
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  3. Isamu Shioya
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  4. Takao Miura
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Editor information

Editors and Affiliations

  1. UFR d’Informatique, Université Claude Bernard Lyon I, 8, boulevard Niels Bohr, 69622, Villeurbanne Cedex, France

    Mohand-Saïd Hacid

  2. Dept. of Computer Science College of IT, University of North Carolina, Charlotte, NC, 28223, USA

    Zbigniew W. Raś

  3. Băt. L. Equipe de Recherche en Ingénierie des Connaissances, Université Lumière Lyon 2, 5, avenue Pierre Mendes-France, 69676, Bron Cedex, France

    Djamel A. Zighed

  4. LRI, Université Paris Sud, Băt. 490, 91405, Orsay Cedex, France

    Yves Kodratoff

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© 2002 Springer-Verlag Berlin Heidelberg

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Kashikawa, S., Ogura, S., Shioya, I., Miura, T. (2002). Aggregates as Meta Functions. In: Hacid, MS., Raś, Z.W., Zighed, D.A., Kodratoff, Y. (eds) Foundations of Intelligent Systems. ISMIS 2002. Lecture Notes in Computer Science(), vol 2366. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-48050-1_24

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  • DOI: https://doi.org/10.1007/3-540-48050-1_24

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-43785-7

  • Online ISBN: 978-3-540-48050-1

  • eBook Packages: Springer Book Archive

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