为了更深入研究中国航线网络的拓扑特性中的细节问题,运用复杂网络理论,将每个航空公司定义为网络中的一个层并建立多层网络模型,仿真逐层合并过程中网络特征参数的演变,探讨中国航空多层网络(CAMN)的拓扑新特性。结果表明,CAMN总度值呈现幂律分布,总度值高的五大机场其度值在各航空公司间分布均匀;中国航空多层网络在聚合过程中都呈现无标度网络特性,而“小世界网络”特性仅在较多数量层的网络聚合时明显,且成规模的航空公司合作使网络的运输效率更高;中国航空聚合网络的“小世界”现象主要是由大中型航空公司对应层引起,大中型航空公司网络的运输效率比廉价航空公司网络高,但同质性更低。
To further study the details of the topological characteristics of Chinese airline network, this work explored the new topological features of China Aviation Multi-layer Network (CAMN) based on complex network theory. We defined each airline as a layer in network and established a multi-layer network by simulating the evolution of network characteristic parameters in the layer-by-layer process. The results indicate that overlapping degree value of CAMN obeys a power-law distribution and five airports with highest overlapping value are uniformly distributed among airlines. Meanwhile, CAMN presents the characteristics of scale-free networks in aggregation, but characteristics of the small world network can only be obviously observed in aggregation of multi-layer networks. Further, the cooperation of large-scale airlines makes network more efficient. The phenomenon of small world in Chinese aviation aggregation network is mainly caused by the corresponding layer of large and medium-sized airlines. The transportation efficiency of large and medium-sized airline networks is higher than that of low-cost airlines, but the homogeneity is poorer.
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