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2010•Computer Knowledge and TechnologyRequires access

Adaptive Structural Index for XML Path Querying

OU Shu-shu

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Abstract

Referencing the mature and efficient relational database query techniques,and to take the strategy space for time.To register those frequent subqueries to get sub-queries` results directly;to divide query path into simple sub-path to parallel process these sub-path for results;to use the output-node-oriented structural join order to reduce the invalid structural connectivity operation and intermediate results;improve query efficiency.

About this research paper

What this paper is about

Referencing the mature and efficient relational database query techniques,and to take the strategy space for time.To register those frequent subqueries to get sub-queries` results directly;to divide query path into simple sub-path to parallel process these sub-path for results;to use the output-node-oriented structural join order to reduce the invalid structural connectivity operation and intermediate results;improve query efficiency.

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Available abstract

Referencing the mature and efficient relational database query techniques,and to take the strategy space for time.To register those frequent subqueries to get sub-queries` results directly;to divide query path into simple sub-path to parallel process these sub-path for results;to use the output-node-oriented structural join order to reduce the invalid structural connectivity operation and intermediate results;improve query efficiency.

Key concepts: Computer science, Path (computing), Query optimization, Relational database, XML, Sargable, Path expression, Node (physics)

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