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BioMed Research International
Volume 2016 (2016), Article ID 4236858, 7 pages
Research Article

Constructing Phylogenetic Networks Based on the Isomorphism of Datasets

1School of Computer Science, Inner Mongolia University, Hohhot 010021, China
2Department of Information and Computer Engineering, Northeast Forestry University, Harbin 150040, China

Received 31 May 2016; Accepted 30 June 2016

Academic Editor: Yungang Xu

Copyright © 2016 Juan Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Constructing rooted phylogenetic networks from rooted phylogenetic trees has become an important problem in molecular evolution. So far, many methods have been presented in this area, in which most efficient methods are based on the incompatible graph, such as the CASS, the LNETWORK, and the BIMLR. This paper will research the commonness of the methods based on the incompatible graph, the relationship between incompatible graph and the phylogenetic network, and the topologies of incompatible graphs. We can find out all the simplest datasets for a topology and construct a network for every dataset. For any one dataset , we can compute a network from the network representing the simplest dataset which is isomorphic to . This process will save more time for the algorithms when constructing networks.