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Efficient access methods in deductive and object-oriented databases

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Deductive and Object-Oriented Databases (DOOD 1991)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 566))

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Abstract

Recently, a new access method, the Hierarchical-Tree (H-tree) was proposed as an efficient access method for object-oriented database that supports superclass-subclass relationship. We show that, the H-tree indexing scheme is indeed a general access method for the new generation DBMS that most probably will support the object-oriented concept and have the deductive capability. The simplest form of the H-tree, like the widely used B +-tree, can be used to index simple objects for efficient associative search. Its nesting capability provides efficient support to different types of queries that reference objects in superclass-subclass hierarchy. Furthermore, by dynamically nesting the indexes to the objects generated iteratively during recursive query processing, it also supports the least fixed point computation in object-oriented database with deductive capability. This paper examines the use of the H-tree as uniform indexing structure to index objects for efficient query retrieval and, as an efficient implementation of the semi-naive evaluation of least fixed point computation.

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Author notes

  1. Chee Chin Low

    Present address: Asia Links, Hong Kong

Authors and Affiliations

  1. National University of Singapore, 0511, Kent Ridge, Singapore

    Chee Chin Low, Hongjun Lu & Beng Chin Ooi

  2. Simon Fraser University, V5A 1S6, Burnaby, British Columbia, Canada

    Jiawei Han

Authors
  1. Chee Chin Low
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  2. Hongjun Lu
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  3. Beng Chin Ooi
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  4. Jiawei Han
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Editor information

C. Delobel M. Kifer Y. Masunaga

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© 1991 Springer-Verlag Berlin Heidelberg

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Low, C.C., Lu, H., Ooi, B.C., Han, J. (1991). Efficient access methods in deductive and object-oriented databases. In: Delobel, C., Kifer, M., Masunaga, Y. (eds) Deductive and Object-Oriented Databases. DOOD 1991. Lecture Notes in Computer Science, vol 566. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-55015-1_4

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  • DOI: https://doi.org/10.1007/3-540-55015-1_4

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-55015-0

  • Online ISBN: 978-3-540-46646-8

  • eBook Packages: Springer Book Archive

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