Maintaining views incrementally
SIGMOD '93 Proceedings of the 1993 ACM SIGMOD international conference on Management of data
SIGMOD '01 Proceedings of the 2001 ACM SIGMOD international conference on Management of data
Rainbow: mapping-driven XQuery processing system
Proceedings of the 2002 ACM SIGMOD international conference on Management of data
Honey, I shrunk the XQuery!: an XML algebra optimization approach
Proceedings of the 4th international workshop on Web information and data management
An algebraic approach for incremental maintenance of materialized XQuery views
Proceedings of the 4th international workshop on Web information and data management
IEEE Transactions on Knowledge and Data Engineering
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VLDB '98 Proceedings of the 24rd International Conference on Very Large Data Bases
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WECWIS '00 Proceedings of the Second International Workshop on Advance Issues of E-Commerce and Web-Based Information Systems (WECWIS 2000)
An algebraic approach for incremental maintenance of materialized XQuery views
Proceedings of the 4th international workshop on Web information and data management
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WIDM '03 Proceedings of the 5th ACM international workshop on Web information and data management
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Information Systems
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ACM Transactions on Database Systems (TODS)
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SOFSEM '10 Proceedings of the 36th Conference on Current Trends in Theory and Practice of Computer Science
Exploiting the structure of update fragments for efficient XML index maintenance
APWeb/WAIM'07 Proceedings of the joint 9th Asia-Pacific web and 8th international conference on web-age information management conference on Advances in data and web management
A schema-based translation of XQuery updates
XSym'10 Proceedings of the 7th international XML database conference on Database and XML technologies
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ICOODB'10 Proceedings of the Third international conference on Objects and databases
Incremental maintenance of materialized XML views
DEXA'11 Proceedings of the 22nd international conference on Database and expert systems applications - Volume Part II
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Modern data sources, including structural and semi-structural sources, often export XML views over base data, and at times may materialize their views by storing the XML query result to provide faster data access. It is typically more efficient to maintain a view by incrementally propagating the base changes to the view than by re-computing it from scratch. Techniques for the incremental maintenance of relational views have been extensively studied in the literature. However, the maintenance of views created using XQuery is as of now unexplored. In this paper we propose an algebraic approach for incremental XQuery view maintenance. In our approach, an update to the XML source is transformed into a set of well defined update primitives which are propagated through the XML algebra tree. This algebraic update propagation process generates incremental update primitives to be applied to the result view. We briefly discuss our XQuery view maintenance system implementation. Our experiments confirm that incremental view maintenance is indeed faster than re-computation.