Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/40908
Title: Rewriting queries for XML integration systems
Authors: Li, L. 
Lee, M.L. 
Hsu, W. 
Issue Date: 2006
Source: Li, L.,Lee, M.L.,Hsu, W. (2006). Rewriting queries for XML integration systems. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 4080 LNCS : 138-148. ScholarBank@NUS Repository.
Abstract: A data integration system typically creates a target XML schema to represent an application domain and source schemas are mapped to the target schema. A user poses a query over the target schema, and the system rewrites the query into a set of queries over the data sources. Existing algorithms generate a set of static rules based on the target schema and mappings, and rewrite the target query using these rules. We design a flexible and dynamic approach that rewrites XML queries directly based on the mappings between the target and source schemas. Theoretical analysis and experiments on both synthetic and real-world datasets indicate that the proposed approach is efficient and scalable. © Springer-Verlag Berlin Heidelberg 2006.
Source Title: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
URI: http://scholarbank.nus.edu.sg/handle/10635/40908
ISBN: 3540378715
ISSN: 03029743
Appears in Collections:Staff Publications

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