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D2-Index: A Dynamic Index Method for Querying XML and Semi-Structured Data

In: The 19th International Conference on Industrial Engineering and Engineering Management

Author

Listed:
  • Yin Zhang

    (Yunnan University
    Yunnan University)

  • Hua Zhou

    (Yunnan University
    Yunnan University)

  • Zhi-hong Liang

    (Yunnan University
    Yunnan University)

  • Jun-hui Liu

    (Yunnan University
    Yunnan University)

  • Yun Liao

    (Yunnan University
    Yunnan University)

  • Peng Duan

    (Yunnan University)

  • Zhen-li He

    (Yunnan University
    Yunnan University)

Abstract

To facilitate queries over XML and semi-structured data, various structural indexes acting as a structural summary have been proposed. Structural index is derived directly from the data and serve as indices for evaluating path expressions on XML and semi-structured data. We propose D2-Index: a path-based dynamic index method for querying XML and semi-structured data. D2-Index is prefix-based and based on the concept of ORDPATH and BSC. It uses binary fraction to encode and can be completely capable of static encoding. More importantly, it can insert nodes into any position efficiently without re-encoding the existing indexes. According to the experimental results, it shows that the query plans using D2-Index is feasibility, accuracy and efficiency.

Suggested Citation

  • Yin Zhang & Hua Zhou & Zhi-hong Liang & Jun-hui Liu & Yun Liao & Peng Duan & Zhen-li He, 2013. "D2-Index: A Dynamic Index Method for Querying XML and Semi-Structured Data," Springer Books, in: Ershi Qi & Jiang Shen & Runliang Dou (ed.), The 19th International Conference on Industrial Engineering and Engineering Management, edition 127, chapter 0, pages 245-255, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-38391-5_26
    DOI: 10.1007/978-3-642-38391-5_26
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