Journal of Geo-information Science >
Sequential Evolution Analysis of International Relations Network in Special Events
Received date: 2020-07-13
Request revised date: 2020-10-20
Online published: 2021-06-25
Supported by
National Key Research and Development Program(2017YFB0503604)
National Natural Science Foundation of China(41471326)
National Natural Science Foundation of China(41525004)
Copyright
Since the beginning of the 21st century, the complex and fast-changing international relations have brought profound effects to the world economy, politics, security, and diplomacy. Keeping abreast of the changes in international relations is of great significance to China's foreign policy making and overall development planning. With the advent of the era of big data, the application of big data combined with quantitative analysis tools of international relations to timely and effectively mine the change patterns of international relations has become an important issue. Big data of news events with strong timeliness and high information content can timely reflect the information that international events affect global international relations. As an information mining method oriented to big data, network mining is a good choice for data-driven international relations research because of its figurative relational expression and rich structural analysis methods. Taking short-term international events as the background, the network mining of big data of news events and the sequential evolution analysis of international relations network can provide solutions to the changes of international relations in the context of changes of international relations caused by short-term international events. This paper takes the Trade War between China and the United States as an example to study the temporal evolution pattern of the international relations network in special events. Based on the GDELT news event data, the international relations network is constructed, and methods based on complex network theory are used for information mining and analysis of international relations. Firstly, the data are used to construct the international relationship network, then the temporal evolution patterns are detected by dynamic community partition method, and finally the spatial characteristics are analyzed by combining the spatial analysis methods such as analysis of point distribution patterns, nuclear density analysis, and spatial autocorrelation analysis. The results show that: (1) In the process of the occurrence of special events, there is a strong correlation between the evolution of the network community and the type of sub-events; and (2) Nodes in the same community generally show obvious clustering characteristics in spatial distribution. Nodes in a specific region join different communities with high frequency. The spatial distribution of the high values of node network attribute changes with the occurrence of events. The local eigenvalues of the network change dramatically with the occurrence of sub-events. The research in this paper provides a new perspective for the empirical analysis of the dynamic changes of international relations in short-term international events, provides a new idea for the spatial shift of international relations research, complements the data-driven international relations research at the methodological level, and also provides a reference for the network mining of big data.
YAO Borui , QIN Kun , LUO Ping , ZHU Zhaoyuan , QI Lin . Sequential Evolution Analysis of International Relations Network in Special Events[J]. Journal of Geo-information Science, 2021 , 23(4) : 632 -645 . DOI: 10.12082/dqxxkx.2021.200366
表1 中美贸易战事件发展阶段表Tab. 1 Event development stage of China-US trade war |
阶段编号 | 时段 | 说明 |
---|---|---|
发展阶段1 | 2018年6月10日— 2018年6月16日 | 前期发展到正式开战阶段 |
发展阶段2 | 2018年6月16日— 2018年6月20日 | 正式开战到拉拢盟友阶段 |
发展阶段3 | 2018年6月20日— 2018年8月2日 | 拉拢盟友到态势升级阶段 |
发展阶段4 | 2018年8月2日— 2018年9月18日 | 态势升级到进一步发展阶段 |
发展阶段5 | 2018年9月18日— 2019年1月9日 | 进一步发展到寻求磋商阶段 |
发展阶段6 | 2019年1月9日— 2019年5月11日 | 寻求磋商到谈判无果阶段 |
表2 全时期等间隔阶段划分Tab. 2 Division of equal-interval stages in the whole period |
阶段编号 | 时段 |
---|---|
阶段1 | 2018年6月10日—2018年8月5日 |
阶段2 | 2018年8月5日—2018年9月30日 |
阶段3 | 2018年9月30日—2018年11月25日 |
阶段4 | 2018年11月25日—2019年1月20日 |
阶段5 | 2019年1月20日—2019年3月17日 |
阶段6 | 2019年3月17日—2019年5月12日 |
表3 全时态全社区γ值计算结果值Tab. 3 Results of γ value calculation in all communities in all phases |
间隔1 | 间隔2 | 间隔3 | 间隔4 | |
---|---|---|---|---|
社团1子网络 | 0.6416 | 0.4374 | 0.0622 | 0.0198 |
社团2子网络 | 0.1714 | 0.1384 | 0.1885 | 0.5657 |
社团3子网络 | 1.6857 | 2 | 0 | 0 |
社团4子网络 | 1.9090 | 1 | 0 | 0 |
社团5子网络 | 1.9709 | 0.2014 | 0.0633 | 0.0429 |
社团6子网络 | 0.2717 | 0.0769 | 0.5648 | 0.2079 |
社团7子网络 | 0.3838 | 0.2428 | 0.0833 | 3.2735 |
社团8子网络 | 2 | 0 | 0 | 0 |
社团9子网络 | inf | 0.3891 | 1.5833 | 0.0202 |
社团10子网络 | inf | 0 | 0 | 0 |
社团11子网络 | 0 | inf | 0.1732 | 0.215 |
注:表中值为inf代表前序网络中该社团节点或边数为0,后续网络中该社区节点数或边数不为0,即在网络演变中产生了新社区。 |
表4 全阶段节点特征向量中心度前16国家/地区Tab. 4 The top 16 countries/regions of eigenvector centrality of nodes in all stages |
国家/地区节点 | 阶段1 | 阶段2 | 阶段3 | 阶段4 | 阶段5 | 阶段6 |
---|---|---|---|---|---|---|
中国 | 1 | 1 | 1 | 1 | 1 | 1 |
加纳 | 0.8415 | 0.8597 | 0.9203 | 0.9378 | 0.9718 | 0.9627 |
越南 | 0.8142 | 0.8760 | 0.8854 | 0.8994 | 0.9058 | 0.8989 |
日本 | 0.7853 | 0.8575 | 0.8974 | 0.9039 | 0.9366 | 0.9235 |
阿联酋 | 0.7120 | 0.7717 | 0.8309 | 0.9141 | 0.9711 | 0.9517 |
韩国 | 0.6882 | 0.7436 | 0.7872 | 0.8350 | 0.8797 | 0.8826 |
新西兰 | 0.6643 | 0.6469 | 0.7302 | 0.7592 | 0.7788 | 0.7684 |
印尼 | 0.6572 | 0.7585 | 0.8177 | 0.8546 | 0.8870 | 0.8872 |
白俄罗斯 | 0.6175 | 0.6822 | 0.7025 | 0.7381 | 0.7782 | 0.7631 |
加拿大 | 0.6056 | 0.5953 | 0.5904 | 0.5876 | 0.6135 | 0.6081 |
牙买加 | 0.6038 | 0.6198 | 0.6708 | 0.7055 | 0.7246 | 0.7347 |
阿塞拜疆 | 0.5984 | 0.6883 | 0.7702 | 0.7823 | 0.8181 | 0.8070 |
新加坡 | 0.5921 | 0.7068 | 0.7547 | 0.7863 | 0.8305 | 0.8229 |
巴西 | 0.5908 | 0.6728 | 0.6794 | 0.6832 | 0.7048 | 0.7149 |
哈萨克斯坦 | 0.5903 | 0.6272 | 0.6358 | 0.6678 | 0.7150 | 0.7485 |
表5 全阶段全社区点要素R指数计算结果Tab. 5 Calculation results of R index of points in all communities and all stages |
社区1 | 社区2 | 社区3 | 社区4 | 社区5 | 社区6 | 社区7 | 社区8 | 社区9 | 社区10 | 社区11 | |
---|---|---|---|---|---|---|---|---|---|---|---|
时态1 | 3.7370 | 5.8760 | 1.8876 | 2.8142 | 2.2665 | 2.6595 | 1.2114 | 2.4467 | - | - | - |
时态2 | 4.1556 | 5.8209 | 0.1930 | 1.2757 | 2.9691 | 2.8950 | 1.3085 | - | 2.7277 | 0.1247 | - |
时态3 | 4.0709 | 5.9191 | - | - | 2.8248 | 2.5899 | 1.2699 | - | 2.8441 | 0.1247 | 1.1964 |
时态4 | 3.7409 | 5.8768 | - | - | 3.0089 | 2.3417 | 1.2699 | - | 3.3367 | 0.1247 | 1.1924 |
时态5 | 3.7147 | 5.7252 | - | - | 2.9971 | 2.2898 | 1.7649 | - | 3.3367 | 0.1247 | 1.2112 |
表6 特征向量中心度空间相关分析Tab. 6 Spatial correlation analysis of eigenvector centrality |
阶段1 | 阶段2 | 阶段3 | 阶段4 | 阶段5 | 阶段6 | |
---|---|---|---|---|---|---|
Z值 | 1.7021 | 0.7948 | 0.3981 | 0.7459 | 0.8178 | 0.9160 |
P值 | 0.0887 | 0.4267 | 0.6905 | 0.4557 | 0.4134 | 0.3596 |
Moran's I指数 | 0.0393 | 0.0156 | 0.0052 | 0.0144 | 0.0162 | 0.0188 |
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