White Papers

XMLTM: Efficient Transaction Management for XML Documents

Overview A common approach to storage and retrieval of XML documents is to store them in a database, together with materialized views on their content. The advantage over "Native" XML storage managers seems to be that transactions and concurrency are for free, next to other benefits. But a closer look and preliminary experiments reveal that this results in poor performance of concurrent queries and updates. Instead of using the original XML documents, the paper proposes to take advantage of an abstraction of the XML document collection known as DataGuides. XMLTM allows to run XML processing at the underlying database at low ANSI isolation degrees and to release database locks early without sacrificing correctness in this setting.

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Publisher
Association for Computing Machinery
File Format
PDF
Date Published
Dec 4, 2008
Format
White Papers
Topics
Web Content Management, Transaction Management, XML

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