A metadata tool for retrieval from heterogeneous distributed XML documents

Authors:
Young-Kwang Nam;Joseph Goguen;Guilian Wang
Affiliations:
Dept. Computer Science, Yonsei University, Wonjoo, Republic of Korea;Dept. of Computer Science and Engineering, UCSD, La Jolla, CA;Dept. of Computer Science and Engineering, UCSD, La Jolla, CA
Venue:
ICCS'03 Proceedings of the 2003 international conference on Computational science
Year:
2003

Citing 11
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Abstract

A metadata approach for retrieval from heterogeneous distributed XMLdo cuments is given. A prototype system uses distributed metadata to generate a GUI data integration tool, for describing mappings between master and local DTDs, by assigning index numbers and specifying conversion functions. A DDXMI (Distributed Document XML Metadata Interchange) file is generated based on the mappings, and used to translate queries over the virtual master document into sub-queries to local documents. Quilt is the XMLq uery language. An experiment testing feasibility is reported using three bibliography documents. The system runs under NT, using Java servelets and JavaCC.