XQuery optimization in relational database systems

R. Abdel Kader

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Abstract

With the increasing need for manipulating and exchanging XML data, the topic of processing XML documents and optimizing XML queries is being studied by many researchers. There are still, however, many open issues in query optimization in the context of XML database systems. In this paper, we give an overview on the state of XML query optimization by reviewing the different optimization techniques developed by previous research and employed by existing XML database systems. We subsequently enumerate some of the still unresolved problems in the optimization process. We conclude this paper with a description of our current work in which we focus on improving the evaluation of XPath expressions by rewriting the path at the algebraic level.
Original languageEnglish
Title of host publicationVLDB 2007
Subtitle of host publicationproceedings of the 33rd international conference on very large data bases, Vienna, Austria, 23-27.09.2007
EditorsChristoph Koch
PublisherAssociation for Computing Machinery (ACM)
Number of pages6
ISBN (Print)9781595936493
Publication statusPublished - 23 Sep 2007
EventVLDB 2007 PhD Workshop - Vienna, Austria
Duration: 22 Sep 200723 Sep 2007
http://www.vldb.org/archives/website/2007/workshops/phd.html

Workshop

WorkshopVLDB 2007 PhD Workshop
CountryAustria
CityVienna
Period22/09/0723/09/07
Internet address

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Keywords

  • DB-XMLDB: XML DATABASES

Cite this

Abdel Kader, R. (2007). XQuery optimization in relational database systems. In C. Koch (Ed.), VLDB 2007: proceedings of the 33rd international conference on very large data bases, Vienna, Austria, 23-27.09.2007 Association for Computing Machinery (ACM).