Thats a unique idea.You should consider the following idea to enhance your idea so that it would impact uniquely: Queries on XML documents typically combine selections on element contents, and, via path expressions, the structural relationships beten tagged elements. Efficient support for structural joins is thus the key to efficient implementation of XML queries. With a stack to keep ancestordescendant structural relationships, stack-tree join algorithm enhances the performance of structural joins by reducing deducible unnecessary comparisons. Hover, stack-tree join cannot prevent "unwanted" comparisons beten elements that do no participate in the join. To solve this problem,  propose a signature filter, which takes advantage of encoding schemes proposed for XML and occupies a little space. Then  present an pointer-based signature filter to skip the "unwanted" elements. In order to further improve the filtering efficiency,  finally propose an optimized pointer-based filter with the conjunction of two signatures. Performance study shows that our signaturebased filters have excellent filtering performance and significantly improve the performance of structural joins.
['Huan Huo', 'Guoren Wang', 'Chuan Yang', 'Rui Zhou']
I am writing a research paper on a idea Signature-based Filtering Techniques for Structural Joins of XML Data
[{"from": "human", "value": "I am writing a research paper on a idea Signature-based Filtering Techniques for Structural Joins of XML Data"}, {"from": "gpt", "value": "Thats a unique idea.You should consider the following idea to enhance your idea so that it would impact uniquely: Queries on XML documents typically combine selections on element contents, and, via path expressions, the structural relationships beten tagged elements. Efficient support for structural joins is thus the key to efficient implementation of XML queries. With a stack to keep ancestordescendant structural relationships, stack-tree join algorithm enhances the performance of structural joins by reducing deducible unnecessary comparisons. Hover, stack-tree join cannot prevent \"unwanted\" comparisons beten elements that do no participate in the join. To solve this problem,  propose a signature filter, which takes advantage of encoding schemes proposed for XML and occupies a little space. Then  present an pointer-based signature filter to skip the \"unwanted\" elements. In order to further improve the filtering efficiency,  finally propose an optimized pointer-based filter with the conjunction of two signatures. Performance study shows that our signaturebased filters have excellent filtering performance and significantly improve the performance of structural joins."}]