期刊文献+

基于路径表达式的XML查询优化模型研究与设计

Research and Design of Optimization Model Based on Path Expression
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摘要 现有的XML查询技术效率不高,查询优化的研究成为业界热点和难点问题。本文基于路径表达式进行优化研究,设计了一个查询优化模型XQO,对XML查询过程进行查询解析、逻辑优化、物理优化。通过优化算法模型的设计优化策略,解决了海量XML查询优化存在的一些问题,并从实验结果对优化模型进行验证。
出处 《情报杂志》 CSSCI 北大核心 2008年第11期83-86,共4页 Journal of Intelligence
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