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Conversion of XML schema design styles with StyleVolution

Zouhaier Brahmia (University of Sfax, Sfax, Tunisia)
Fabio Grandi (DISI, University of Bologna, Bologna, Italy)
Rafik Bouaziz (University of Sfax, Sfax, Tunisia)

International Journal of Web Information Systems

ISSN: 1744-0084

Article publication date: 2 September 2019

Issue publication date: 17 April 2020




Any XML schema definition can be organized according to one of the following design styles: “Russian Doll”, “Salami Slice”, “Venetian Blind” and “Garden of Eden” (with the additional “Bologna” style actually representing absence of style). Conversion from a design style to another can facilitate the reuse and exchange of schema specifications encoded using the XML schema language. Without any computer-aided engineering support, style conversions must be performed very carefully as they are difficult and error-prone operations. The purpose of this paper is to efficiently deal with such XML schema design style conversions.


A general approach, named StyleVolution, for automatic management of XML schema design style conversions, is proposed. StyleVolution is equipped with a suite of seven procedures: four for converting a valid XML schema from any other design style to the “Garden of Eden” style, which has been chosen as a normalized XML schema format, and three for converting from the “Garden of Eden” style to any of the other desired design styles.


Procedures, algorithms and methods for XML schema design style conversions are presented. The feasibility of the approach has been shown through the encoding (using the XQuery language) and the testing (with the Altova XMLSpy 2019 tool) of a suite of seven ready-to-use procedures. Moreover, four test procedures are provided for checking the conformance of a given input XML schema to a schema design style.


The proposed approach implements a new technique for efficiently managing XML schema design style conversions, which can be used to make any given XML schema file to conform to a desired design style.



Brahmia, Z., Grandi, F. and Bouaziz, R. (2020), "Conversion of XML schema design styles with StyleVolution", International Journal of Web Information Systems, Vol. 16 No. 1, pp. 23-64.



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