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本文根据改进的重力模型测算了城市间会展业的相互吸引力,构建会展业空间关联网络,并计算各城市的网络中心性指标和城市的社团划分。研究表明,长江中游城市群会展业空间关联网络可划分为3个社团,应打破“中三角”会展业的区域间束缚,使长江中游城市群的会展业能够融为一个有机整体。
Based on the improved gravity model, this paper estimates the mutual attractiveness of the convention and exhibition industry in the city, constructs the spatial correlation network in the exhibition industry, and calculates the network centrality index and the urban community division in each city. The research shows that the spatial correlation network of convention and exhibition industry in the middle reaches of the Yangtze River can be divided into three communities, which should break the inter-regional restraint in the convention and exhibition industry and make the convention and exhibition industry in the middle reaches of the Yangtze River city be an organic whole.