Model and empirical study on some collaboration networks

Pei-Pei Zhang, Kan Chen,, Yue He, Tao Zhou, Bei-Bei Su, Yingdi Jin, Hui Chang, Yue-Ping Zhou, Li-Cheng Sun, Bing-Hong Wang and Da-Ren He

Physica A: Statistical Mechanics and its Applications, 2006, vol. 360, issue 2, 599-616

Abstract: 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.

Date: 2006
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Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:360:y:2006:i:2:p:599-616

DOI: 10.1016/j.physa.2005.05.044

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