Model and empirical study on some collaboration networks
In this paper we present an empirical study of a few practical systems described by cooperation networks, and propose a model to understand the results obtained. We study four non-social systems, which are the Bus Route Networks of Beijing and Yangzhou, the Travel Route Network of China, Huai-Yang recipes of Chinese cooked food, and a social system, which is the Collaboration Network of Hollywood Actors. In order to explain the results related to the degree distribution, act-degree distribution and act-size distribution (especially about the degree distribution, which may be better fitted using a stretched exponential distribution (SED)), we suggest a simple model to show a possible evolutionary mechanism for the emergence of such networks. The analytic and numerical results obtained from the model are in good agreement with the empirical results.
Year of publication: |
2006
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Authors: | Zhang, Pei-Pei ; Chen, Kan ; He, Yue ; Zhou, Tao ; Su, Bei-Bei ; Jin, Yingdi ; Chang, Hui ; Zhou, Yue-Ping ; Sun, Li-Cheng ; Wang, Bing-Hong ; He, Da-Ren |
Published in: |
Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 360.2006, 2, p. 599-616
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Publisher: |
Elsevier |
Saved in:
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