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Storage and Retrieval of Xml Documents with a Cluster of Database Systems : Vol 82 - T. Grabs

Storage and Retrieval of Xml Documents with a Cluster of Database Systems

Vol 82

By: T. Grabs

Paperback

Published: 1st June 2003
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XML - short for the W3C eXtended Markup Language - is highly successful as a format for data interchange. So far, the focus with XML has been on data-centric settings, i.e., XML documents with strict and regular structure. However, this disregards many important settings that require textual or semi-structured data with little or flexible structure. XML, however, is flexible enough to cover these so-called document-centric settings in addition to data-centric ones. This book presents an XML engine for storage and retrieval of XML documents which covers the full range from data-centric to document-centric applications on a single integrated platform. It proposes to extend data-centric XML query languages such as W3C XPath with document-centric functionality needed for relevance-oriented ranked retrieval on XML documents. Moreover, it investigates transaction management for concurrent XML processing and contributes a novel locking protocol that allows for higher concurrency and more parallelism than off-the-shelf database transaction management. To make XML storage and retrieval efficient and highly scalable, both data-centric and document-centric XML contents are stored on a cluster of relational database systems. The overall result is a scalable infrastructure for storage and retrieval of XML documents with up-to-date retrieval results supporting state-of-the-art ranked retrieval models.

Introduction, motivation, and application scenariop. 5
Introduction and motivationp. 7
Application scenariop. 17
Effective, consistent, and efficient XML processingp. 31
Effective XML processingp. 33
Efficient XML storage managementp. 53
Transaction management for XML processingp. 89
Scalable XML processing with a cluster of databasesp. 121
Experimental evaluationp. 143
Scenario I : news message searchp. 145
Scenario II : online auctionsp. 165
Related work, conclusions, and outlookp. 183
Related workp. 185
Conclusionsp. 203
Outlookp. 207
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9781586033712
ISBN-10: 1586033719
Series: Dissertations in Database & Information Systems: Infix S.
Audience: Professional
Format: Paperback
Language: English
Number Of Pages: 252
Published: 1st June 2003
Publisher: IOS Press
Country of Publication: US
Dimensions (cm): 21.6 x 14.0  x 1.3
Weight (kg): 0.33