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Macor: A Maintainable XQuery Model for Representing Nested Schema Mappings
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    Abstract:

    This paper proposes a model called mapping & correlation (Macor) to represent nested schema mappings. With Macor, a full mapping is modeled as a number of simple atomic ones that are correlated with correlations. The expressive power of Macor by a fragment of XQuery called CoXQ is studied and the issues in implementing Macor are addressed. Preliminary experimental results show that with Macor a full mapping can be modeled incrementally in a piecemeal fashion, and in refining or maintaining the mappings, Macor makes it possible to locate modifications to few atomic mappings and correlations, and reuse other parts of the full mapping.

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钱钢,董逸生. Macor:一种表示嵌套模式映射的可维护Xquery模型.软件学报,2007,18(4):1026-1038

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  • Received:November 25,2005
  • Revised:April 27,2006
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