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Author:

李学凯 (李学凯.)

Indexed by:

CQVIP

Abstract:

基于schema的查询优化是一种语义优化策略,通过对xmlschema的预处理,来实现xpath路径的优化,或xquery查询时冗余分支的减少,从而达到优化目的。目前主要有以下几类的优化方式:(1)利用区间编码建立schema索引;(2)利用sc.hema简化小枝匹配,从而优化xquery;(3)建立等价路径图,缩短路径长度和直接判断路径是否满足。

Keyword:

优化 schema xquery

Author Community:

  • [ 1 ] [李学凯]北京工业大学

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Source :

计算机光盘软件与应用

ISSN: 1007-9599

Year: 2011

Issue: 22

Page: 147-147

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 26

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