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TAX: A Tree Algebra for XML

Published: 08 September 2001 Publication History

Abstract

Querying XML has been the subject of much recent investigation. A formal bulk algebra is essential for applying database-style optimization to XML queries. We develop such an algebra, called TAX (Tree Algebra for XML), for manipulating XML data, modeled as forests of labeled ordered trees. Motivated both by aesthetic considerations of intuitiveness, and by efficient computability and amenability to optimization, we develop TAX as a natural extension of relational algebra, with a small set of operators. TAX is complete for relational algebra extended with aggregation, and can express most queries expressible in popular XML query languages. It forms the basis for the Timber XML database system currently under development by us.

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Published In

cover image Guide Proceedings
DBPL '01: Revised Papers from the 8th International Workshop on Database Programming Languages
September 2001
341 pages
ISBN:3540440801

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Springer-Verlag

Berlin, Heidelberg

Publication History

Published: 08 September 2001

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  • (2018)A Graph Database for a Virtualized Network InfrastructureProceedings of the 2018 International Conference on Management of Data10.1145/3183713.3190653(1393-1405)Online publication date: 27-May-2018
  • (2017)Virtualized Network Service Topology Exploration Using NepalProceedings of the 2017 ACM International Conference on Management of Data10.1145/3035918.3058733(1611-1614)Online publication date: 9-May-2017
  • (2016)NepalProceedings of the 1st ACM SIGMOD Workshop on Network Data Analytics10.1145/2980523.2980530(1-8)Online publication date: 1-Jul-2016
  • (2016)Semistructured Models, Queries and Algebras in the Big Data EraProceedings of the 2016 International Conference on Management of Data10.1145/2882903.2912573(2229-2233)Online publication date: 26-Jun-2016
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  • (2014)Query Decomposition Strategy for Integration of Semistructured DataProceedings of the 16th International Conference on Information Integration and Web-based Applications & Services10.1145/2684200.2684343(459-463)Online publication date: 4-Dec-2014
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