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Optimized Algorithm of Extended Subgraph Isomorphism Problem
Author(s): XU Kai-xuan, Rudolf Fleischer
Pages: 38-
40
Year: 2011
Issue:
19
Journal: Computer Engineering
Abstract: 针对扩展子图的匹配问题,根据Ullmann剪枝和QuickSI的不同特性,提出优化处理距离信息的加边算法.根据Query中各个顶点到不同label顶点的最短距离进行剪枝,采用动态加边算法减少加边的运算时间,能够处理规模不大的稀疏图.在AIDS数据库上的实验结果表明,在不同距离值的条件下,QuickSI算法的平均运行速度比Ullmann算法快一个数量级以上.
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