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| On the Weighted Local Evolution Model of Urban Logistics Network’s Spatial Structure |
| FU Jiangyue, ZHANG Jin, XIONG Jie, CHEN Yiheng
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| School of Transportation and Logistics, Southwest Jiaotong University, Chengdu 610031, China |
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Abstract In order to study the evolutionary mechanisms of spatial structure of urban logistics network, a weighted local world evolution model was proposed based on the agglomeration degree, considering the macro factors and the operating characteristics. By simulation analysis, the network features were studied, and the impact on the evolution which agglomeration degree parameters changed over time was also analyzed. The results reveal that the network’s degree distribution doesn’t obey the power law distribution, and it has higher clustering coefficient and lesser average path length, which shows a few hub nodes predominate in the urban logistics network and the network has strong anti-risk ability and quick response ability. The results also indicate that when the weight factors α,β,γ are changed over time, the evolution mechanism is more realistic, because it could overcome excessive influence of the node degree and reflect impact of all the related macro factors reasonably.
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Received: 04 December 2013
Published: 22 June 2026
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