Abstract The city network has become a new type of spatial organization structure that reflects the interrelationship among cities or regions. In the current globalization, informationization and economic integration, the world city system, spatial pattern and regional development have changed and are in the process of increasingly complex network structures. With more than half a century of research, the world city network has gradually become a frontier issue of urban geography and urban planning in contemporary academic research. The important discourse on the world city network, such as the world city hypothesis, the global cities, and the flowing space, came into being, with the emergence of some real phenomena, for instance, spatial structural changes caused by the expansion of world cities, changes in the international division of labor system caused by the reconfiguration of the resources of multinational corporations, city's control over capital In the new international division of labor. VOSviewer, a software that can establish literature association, Pajek, a large-scale complex network analysis tool, combining the two software, it is found that the research of the world city network has a wide range of international cooperation. Academic collaboration network shows a high degree of concentration and imbalance. According to the time series statistics of the literature, it is found that there is an explosive growth point in the literature, which is closely related to the emergence of significant monographs and theories. Research achievements the characteristics of the academic core and the response hotspots are rapid and the scientific acumen is high.
YANG Bo,WANG Mao-jun,WANG Cheng. THEME IDENTIFICATION AND HOTSPOT EVOLUTION ON WORLD CITY NETWORK OF OVERSEAS RESEARCH: KNOWLEDGE MAPPING BASED ON WOS DATABASE[J]. HUMAN GEOGRAPHY, 2019, 34(5): 26-35.
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