A one-parameter genetic algorithm for the minimum labeling spanning tree problem

被引:30
|
作者
Xiong, YP [1 ]
Golden, B
Wasil, E
机构
[1] Univ Maryland, Dept Math, College Pk, MD 20742 USA
[2] Univ Maryland, RH Smith Sch Business, College Pk, MD 20742 USA
[3] American Univ, Kogod Sch Business, Washington, DC 20016 USA
关键词
genetic algorithm (GA); NP-hard; spanning trees;
D O I
10.1109/TEVC.2004.840145
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Given a connected, undirected graph G whose edges are labeled (or colored), the minimum labeling spanning tree (MLST) problem seeks a spanning tree on G with the minimum number of distinct labels (or colors). In recent work, the MLST problem has been shown to be NP-hard and an effective heuristic [maximum vertex covering algorithm (MVCA)] has been proposed and analyzed. In this paper, we use a one-parameter genetic algorithm (GA) to solve the problem. In computational tests, the GA clearly outperforms MVCA.
引用
收藏
页码:55 / 60
页数:6
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