Efficient schema-based XML-to-relational data mapping

doi:10.1016/j.is.2005.12.008

2007-05-01

PRE

DOI：10.1016/j.is.2005.12.008

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摘要

En 中文

Storing and querying XML documents using a RDBMS is a challenging problem since one needs to resolve the conflict between the hierarchical, ordered nature of the XML data model and the flat, unordered nature of the relational data model. This conflict can be resolved by the following XML-to-Relational mappings: schema mapping, data mapping and query mapping. In this paper, we propose: (i) a lossless schema mapping algorithm to generate a database schema from a DTD, which makes several improvements over existing algorithms, (ii) two linear data mapping algorithms based on DOM and SAX, respectively, to map ordered XML data to relational data. To our best knowledge, there is no published linear schema-based data mapping algorithm for mapping ordered XML data to relational data. Experimental results are presented to show that our algorithms are efficient and scalable. (C) 2006 Elsevier B.V. All rights reserved.

Keyword:

XML

relational

schema-based

ordered

mapping

shredding

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期刊

Enterprise Information Systems

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3.9

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2.8K

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1.8K

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