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XAE -- XQuery processing using XML algebra Public

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Recently, XML has been emerging as the latest in database technology, embraced by many large corporations. However, before this project, there was not an XML query engine exploiting query optimizing techniques. By using an XML algebra, we could apply already-established optimizing methods from relational databases to this new technology. We implemented a basic algebra data structure and query executor. Additionally, we describe the process of Schema Cleanup which deletes unnecessary nodes from the query tree, and eliminates unnecessary columns from internal tables. These extra steps can arise from the fact that multiple trees are merged.

  • This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.
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  • 02E003M
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  • 2002
Date created
  • 2002-01-01
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