基于权重编辑距离的XML查询

XML Query Based on the Weight of the Edit Distance

针对XML文本文档信息查询中查询准确率不高的情况,本文提出一种基于权重树间编辑距离的XML查询方案,通过计算关键词内容权重和树间编辑距离结构权重,可以找到最能代表用户查询意图的相关文档.实验结果表明,与传统的查询方法相比,改进后查询有比较高的准确率,具有良好的效果.

Aiming at the low query accuracy in XML document,this paper puts forward XML query program based on the weight of the edit distance between trees.By calculating the weight of the content of the key words and the weight of the edit distance,this program can find some documents which could mostly represent the users＇ query intention.Contrasting to the traditional methods,the experimental results prove that the improved query has higher accuracy rate and better result.