| 一种基于代价的XML查询优化操作模型 |
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| 引用本文： | 黄寿孟.一种基于代价的XML查询优化操作模型[J].计算机科学,2016,43(Z11):529-531. |
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| 作者姓名： | 黄寿孟 |
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| 作者单位： | 三亚学院计算机教学部 三亚572022 |
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| 基金项目： | 本文受海南省教育厅项目:面向多媒体的高速率无线传输技术研究(Hnky2015-55)资助 |
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| 摘 要： | 随着XML数据库技术研究的深入,关于XML查询优化的研究日益增多,但至今其仍是XML数据库的薄弱环节。从传统的查询估算模型中找出原子操作,在物理优化时通过分析估算操作,采用基于统计学习的方法找出操作代价和这些影响因素之间的函数关系,从而建立起基于代价的操作模型。
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| 关 键 词： | XML查询优化 基于代价 操作模型 算法分析 |
Query Optimized Operation Model of XML Based on Cost |
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| HUANG Shou-meng.Query Optimized Operation Model of XML Based on Cost[J].Computer Science,2016,43(Z11):529-531. |
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| Authors: | HUANG Shou-meng |
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| Affiliation: | Department of Computer Instruction,Sanya University,Sanya 572022,China |
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| Abstract: | Along with the development of XML database technology,the research on XML query optimization is increasing,but it is still the weak link of XML database.In this paper,we found out the atomic operation in the traditional query estimation model,and used the method based on statistical learning to find out the operating costs and the functional relationship between these factors,so as to establish the operation model based on cost. |
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| Keywords: | XML query optimization Cost-based Operation model Algorithm analysis |
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