| 基于XML Schema完整性约束转换的索引 |
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| 引用本文： | 刘晓利,丁振国.基于XML Schema完整性约束转换的索引[J].现代图书情报技术,2008,3(10):43-47. |
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| 作者姓名： | 刘晓利 丁振国 |
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| 作者单位： | 1. 西安电子科技大学经济管理学院,西安,710071
2. 西安电子科技大学网络教育学院,西安,710071 |
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| 摘 要： | 深入研究一系列保持完整性约束的关系模式到XML Schema的转换规则和算法，对转换规则和算法中的不足进行补充完善。针对转换后XML Schema中存在基于XPath相对路径无效查询问题，提出在模式转换过程中建立相应索引文件的方法。文中给出了应用实例，说明对XML Schema查询时可以获取关系结构信息，提高查询效率。
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| 关 键 词： | XML Schema 转换 索引 |
| 收稿时间： | 2008-08-23 |
A Study of Indexing Mechanism in XML Schema with Holistic Constraint-preserving Transformation |
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| Liu Xiaoli,Ding Zhenguo.A Study of Indexing Mechanism in XML Schema with Holistic Constraint-preserving Transformation[J].New Technology of Library and Information Service,2008,3(10):43-47. |
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| Authors: | Liu Xiaoli Ding Zhenguo |
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| Institution: | 1(College of Economics & Management, Xidian University, Xi’an 710071, China)
2(College of Network Education, Xidian University Xi’an 710071, China) |
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| Abstract: | This paper deeply studies a series of rules and the algorithm of transformation from relational schema to XML Schema and makes supplement and perfection to its shortage.According to the prime problem of invalidity of inquiring in XML schema after transformation,it proposes the method of indexing in transformation.The application is to illustrate how to receive the information of relational struction and enhance the efficiency of inquiring through the index. |
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| Keywords: | XML Schema Transformation Index |
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