简单路径 meaning in Chinese
simple path
Examples
- A simple path is specified by an array of points that are connected by straight lines
简单路径可由通过直线连接的点的数组来指定。 - Every simple path from a node to a descendant leaf contains the same number of black nodes
从节点到后代叶节点的所有简单路径都包含相同的黑节点数 - A universal algorithm for detecting all simple paths between any two nodes in weighted directed acyclic network was presented
提出了一种有向无环网络中任意两节点间所有简单路径的通用搜索算法。 - In order to research parts relation network of product family deeply , it is necessary to detect simple paths in parts relation network
为进一步深入研究零部件关系网络，需要搜索零部件关系网络中的简单路径。 - Third , this dissertation analyzes the complicacy of result size estimation problem for xml structure based query optimization compared to its counterpart in traditionally relational database , and proposes a full - featured result size estimation algorithm for xml query , sxm . for simple path expression query , this dissertation proposes a dynamic synopsis model for xml data based on the concept of f - stable and b - stable , xmap . for complicated path expression query , this dissertation adopts an improved bifocal sampling method for result size estimation
第三，分析了xml结构化查询优化中的查询代价估计问题与传统关系型数据库中的查询代价估计问题的区别，提出了一套完整的xml结构化查询代价估计体系sxm ，包括对简单路径表达进行查询代价估计的动态xml数据统计模型xmap ，对复杂路径表达进行查询代价估计的双焦点例举法，以及对值匹配条件进行查询代价估计的基于小波的多维直方图方法，并能将多种查询表达的查询代价估计结果结合在一起，以给出一个完整的xpath查询的代价估计。