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Semantic query optimization for object queries

  • Semantic Query Optimization
  • Conference paper
  • First Online:
Deductive and Object-Oriented Databases (DOOD 1995)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1013))

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Abstract

Semantic query optimization is an approach to query optimization that utilizes semantic knowledge to reformulate a query into one that would generate the same set of answers in a more efficient way. The semantic query optimization becomes more important in OODB systems where object queries are complex due to the presence of object-oriented concepts such as subclassing relationship, referential relationship, and object-identifier. In this paper we investigate the representation of semantic constraints and present a semantic query optimization technique for object queries. This paper describes useful semantic transformation heuristics in object-oriented context. Using an object query optimizer prototype MagicVol, we conduct preliminary optimization experiments to verify that the semantic query optimization for object queries is reasonable and useful.

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Author information

Authors and Affiliations

  1. Department of Computer Science, Seoul National University, Seoul, Korea

    Young-Whun Lee & Suk I. Yoo

Authors
  1. Young-Whun Lee
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  2. Suk I. Yoo
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Editor information

Tok Wang Ling Alberto O. Mendelzon Laurent Vieille

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© 1995 Springer-Verlag Berlin Heidelberg

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Lee, YW., Yoo, S.I. (1995). Semantic query optimization for object queries. In: Ling, T.W., Mendelzon, A.O., Vieille, L. (eds) Deductive and Object-Oriented Databases. DOOD 1995. Lecture Notes in Computer Science, vol 1013. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-60608-4_56

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  • DOI: https://doi.org/10.1007/3-540-60608-4_56

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-60608-6

  • Online ISBN: 978-3-540-48460-8

  • eBook Packages: Springer Book Archive

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