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Macor:一种表示嵌套模式映射的可维护XQuery模型(英文) 被引量：1

Macor:A Maintainable XQuery Model for Representing Nested Schema Mappings
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摘要 提出了一种称为Macor的模型来表示嵌套模式之间的映射关系.Macor将一个完整的模式映射表示成众多简单的原子映射,并用关联关系将它们连接在一起.进一步根据XQuery分析了Macor的表达能力,并处理了Macor的实现问题.初步的实验结果表明,通过Macor模型,一个复杂的映射不仅可以按照增量方式逐步建立,还能将修改和维护限制在局部的原子映射和关联关系上. 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.
作者 钱钢 董逸生
机构地区 东南大学计算机科学与工程学院
出处 《软件学报》 EI CSCD 北大核心 2007年第4期1026-1038,共13页 Journal of Software
基金 SupportedbytheHigh-TechProjectof‘TenthFive-Year-Plan’ofJiangsuProvinceofChinaunderGrantNo.BG2001013(江苏省十五高科技项目)
关键词 模式映射 映射模型 XQUERY XML 数据交换 数据共享 schema mapping mapping model XQuery XML data exchange data sharing
分类号 TP311 [自动化与计算机技术—计算机软件与理论]
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参考文献21

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同被引文献8

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软件学报
2007年 第4期

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