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Received: 2008-01-15

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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.12 P.1694-1707


VQT: value cardinality and query pattern based R-schema to XML schema translation with implicit referential integrity

Author(s):  Jinhyung KIM, Dongwon JEONG, Doo-Kwon BAIK

Affiliation(s):  Department of Computer Science and Engineering, Korea University, Seoul 136-713, Korea; more

Corresponding email(s):   jinhyung98.kim@gmail.com, djeong@kunsan.ac.kr, baikdk@korea.ac.kr

Key Words:  Value cardinality, Query pattern, Relational schema, XML schema, Implicit referential integrity relations, Explicit referential integrity

Jinhyung KIM, Dongwon JEONG, Doo-Kwon BAIK. VQT: value cardinality and query pattern based R-schema to XML schema translation with implicit referential integrity[J]. Journal of Zhejiang University Science A, 2008, 9(12): 1694-1707.

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%DOI 10.1631/jzus.A0820036

T1 - VQT: value cardinality and query pattern based R-schema to XML schema translation with implicit referential integrity
A1 - Jinhyung KIM
A1 - Dongwon JEONG
A1 - Doo-Kwon BAIK
J0 - Journal of Zhejiang University Science A
VL - 9
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SP - 1694
EP - 1707
%@ 1673-565X
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PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A0820036

In this paper, we propose a new relational schema (R-schema) to XML schema translation algorithm, VQT, which analyzes the value cardinality and user query patterns and extracts the implicit referential integrities by using the cardinality property of foreign key constraints between columns and the equi-join characteristic in user queries. The VQT algorithm can apply the extracted implied referential integrity relation information to the R-schema and create an XML schema as the final result. Therefore, the VQT algorithm prevents the R-schema from being incorrectly converted into the XML schema, and it richly and powerfully represents all the information in the R-schema by creating an XML schema as the translation result on behalf of the XML DTD.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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