A general method for tree-comparison based on subtree similarity and its use in a taxonomic database

被引:10
|
作者
Zhong, Y
Meacham, CA
Pramanik, S
机构
[1] MICHIGAN STATE UNIV,DEPT COMP SCI,E LANSING,MI 48824
[2] UNIV CALIF BERKELEY,MUSEUM INFORMAT PROJECT,BERKELEY,CA 94720
[3] ACAD SINICA,WUHAN INST BOT,WUHAN 430074,HUBEI,PEOPLES R CHINA
基金
美国国家科学基金会;
关键词
tree comparison; classification tree; dendrogram; overall similarity; taxonomic database;
D O I
10.1016/S0303-2647(97)01684-5
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
A number of metrics for comparing the branching structure of trees have been used as important tools in the quantitative analysis of evolutionary trees. Less attention has been paid to developing a general comparison methodology for different leaf-labeled N-trees such as classification trees and various types of dendrograms. In this paper a method for measuring overall similarity based on subtree similarity is proposed. Association coefficients can be used to measure the similarity between each pair of subtrees in two trees, and an algorithm called the 'webbing matrix method' is outlined in order to calculate the overall similarity in this method. In addition, the use of this method for tree searching and tree comparison in a taxonomic database is introduced. (C) 1997 Elsevier Science Ireland Ltd.
引用
收藏
页码:1 / 8
页数:8
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