英文标题
Xquery Query Optimization Based on the Schema
英文摘要
Based on the schema is a semantic query optimization optimization strategy, through the xml schema of the pre-treatment,to achieve the optimal path xpath or xquery query to reduce the redundant branches,so as to achieve optimization purposes.At present there are ways to optimize the following categories：（1）to establish the use of interval coding schema index;（2）the use of schema matching to simplify sprig,thus optimizing xquery;（3）the establishment of equivalent road map,reduce the t~ath lenk, th and hath to determine whether direct to meet.
获取号
WF:perioarticaljsjgprjyyy201122123
