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Discrete Dynamics in Nature and Society
Volume 2013, Article ID 391709, 8 pages
Research Article

Robustness Measure of China’s Railway Network Topology Using Relative Entropy

School of Traffic and Transportation Engineering, Central South University, Changsha 410075, China

Received 4 July 2013; Accepted 5 September 2013

Academic Editor: Wuhong Wang

Copyright © 2013 Fenling Feng and Lei Wang. 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.


This study focused on China’s railway network topology issue from a robustness measure perspective. Relative entropy is used in the study as a measurement of robustness of railway network topology. It is found that the entropy-based measure provides more informative analyses compared to a traditional graph measure. The results indicate that the railway network in the 12th five-year plan has improved robustness when compare to 2008 with respect to deliberate and random attacks.