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Comparaison et évolution de schémas XML

Abstract : XML has become the de facto format for data exchange. We aim at establishing a multi-system environment where some local original systems work in harmony with a global integrated system, which is a conservative evolution of local ones. Data exchange is possible in both directions, allowing activities on both levels. For this purpose, we need schema mapping whose is to ensure schema evolution, and to guide the construction of a document translator, allowing automatic data adaptation wrt type evolution. We propose a set of tools to help dealing with XML database evolution. These tools are used : (i) to compute a mapping capable of obtaining a global schema which is a conservative extension of original local schemas, and to adapt XML documents ; (ii) to compute the set of integrity constraints for the global system on the basis of the local ones ; (iii) to compare XML types of two systems in order to replace a system by another one ; (iv) to correct a new document with respect to an XML schema. Experimental results are discussed, showing the efficiency of our methods in many situations.
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Submitted on : Monday, July 6, 2015 - 2:18:29 PM
Last modification on : Thursday, May 5, 2022 - 2:52:27 PM
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  • HAL Id : tel-01171845, version 1


Joshua Amavi. Comparaison et évolution de schémas XML. Ordinateur et société [cs.CY]. Université d'Orléans, 2014. Français. ⟨NNT : 2014ORLE2053⟩. ⟨tel-01171845⟩



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