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. 2023 Mar 9;18(3):e0275625. doi: 10.1371/journal.pone.0275625

Table 5. The results of cluster analysis in three periods.

Period between 2001 and 2006
C1: National economy Member States’, ‘Economy’, ‘Country’
C2: Regions China’, ‘Region’, ‘International’
C3: Russia, strategic mechanism Summit’, ‘Russia’, ‘Mechanism’, ‘World’, ‘Strategy’, ‘Mutual Benefit’, ‘Communication’
C4: Terrorism Central Asia’, ‘Terrorism’, ‘Extremism’, ‘Separatism’, ‘Pakistan’, ‘Uzbekistan’
C5: Culture and trade Economy and Trade’, ‘Politics’, ‘Eurasia’, ‘Society’, ‘Bilateral’, ‘Culture’, ‘Interests’, ‘Humanities’, ‘Consensus’
C6: Regional cooperation Forum’, ‘Diplomacy’, ‘Afghanistan’, ‘Regional Cooperation’, ‘Civilization’, ‘India’, ‘Beijing’, ‘Consultation’
C7: Military cooperation China-Russia’, ‘Judicial’, ‘China Kyrgyzstan’, ‘Saint Petersburg’, ‘Military Exercises’, ‘Xi’an’, ‘Japan’, ‘Republic of Kazakhstan’, ‘Border Regions’, ‘Central Tower’
C8: Transportation Transportation’, ‘Government’, ‘Declaration’, ‘Charter’, ‘History’, ‘Resources’, ‘Globalization’, ‘Geography’, ‘Great Powers’, ‘Cooperative Projects’, ‘Policies’, ‘Partnership’, ‘finance’
C9: US, Iran, Russia, and Asian relations United States’, ‘Military’, ‘Iran’, ‘China-Kazakhstan’, ‘Moscow’, ‘Asia’, ‘Legal’, ‘Enterprise’, ‘Agreement’, ‘Environment’, ‘Trade Volume’, ‘technology’
C10: Energy Petroleum Oil’, ‘Kyrgyz Republic’, ‘Energy’, ‘UnionPay’, ‘Pipeline’
Period between 2007 and 2012
C1: National economy Member States’, ‘Economy’, ‘Country’
C2: Regions Region’, ‘China’, ‘International’
C3: Russia, strategic mechanism Russia’, ‘Strategy’, ‘Communication’, ‘Mechanism’, ‘Mutual Benefit’
C4: Energy Petroleum Energy’, ‘Eurasia’, ‘Central Asia’, ‘Natural Gas’, ‘Politics’, ‘Humanities’, ‘Uzbekistan’, ‘Economy and Trade’, ‘Culture’, ‘Bilateral’, ‘Projects’, ‘Consensus’, ‘Society’, ‘Platform’, ‘Petroleum’
C5: Regional cooperation Forum’, ‘Beijing’, ‘Partnership’, ‘Diplomacy’, ‘Opportunity’, ‘Regional Cooperation’, ‘Civilization’, ‘Summit’
C6: Central Asian interests Afghanistan’, ‘Central Asia’, ‘Benefits’, ‘Members’, ‘Pakistan’, ‘India’
C7: Transportation Finance’, ‘Resources’, ‘Military cooperation’, ‘Transportation’, ‘Government’, ‘Enterprise’, ‘Infrastructure’, ‘Cooperative projects’, ‘Environment’, ‘Policy’, ‘Technology’, ‘History’, ‘Technology’
C8: Military cooperation China-Russia’, ‘Military Exercise’, ‘Xinjiang’, ‘Financial Crisis’, ‘Judicial’, ‘Army’, ‘Xi’an’, ‘China-Ukraine’, ‘Military’, ‘Crisis’
C9: Terrorism terrorism’, ‘extremism’, ‘separatism’
C10: US, Iran, and Asian relations Military’, ‘China-Kazakhstan’, ‘U.S.’, ‘Treaty’, ‘Iran’, ‘Law’, ‘Trade Volume’, ‘Great Power’, ‘Geography’, ‘Drugs’, ‘Enduring Peace’, ‘Agriculture’, ‘Strategic partner’, ‘Media’
Period between 2013 and 2019
C1: National economy Member States’, ‘Economy’, ‘Country’
C2: Regions Region’, ‘China’, ‘International’
C3: One belt one road ‘Qingdao’, ‘Belt and Road’, ‘Community’, ‘Culture’, ‘Silk Road’, ‘Forum’, ‘Civilization’, ‘Infrastructure’, ‘Regional Cooperation’, ‘Diplomacy’, ‘Institutions’, ‘Opportunity’, ‘influence’, ‘negotiation’, ‘principle’
C4: Terrorism Extremism’, ‘Separatism’, ‘Terrorism’
C5: Russia, strategic mechanism Summit’, ‘Russia’, ‘Strategy’, ‘Mechanism’, ‘Mutual Benefit’
C6: Technology and transportation Economic Belt’, ‘Enterprise’, ‘Technology’, ‘Finance’, ‘Law’, ‘Advantage’, ‘History’, ‘Government’, ‘Environment’, ‘Great Power’, ‘Technology’, ‘Beijing’, ‘Traffic’, ‘Resource’, ‘Policy’
C7: Energy and bilateral trade Eurasia’, ‘Central Asia, ’Humanities’, ‘Platforms’, ‘Economy and Trade’, ‘Uzbekistan’, ‘Politics’, ‘Energy’, ‘Consensus’, ‘Society’, ‘Bilateral’
C8: Security and drugs Destiny’, ‘China-Kazakhstan’, ‘Industry’, ‘Logistics’, ‘Drugs’, ‘Asia’, ‘Security Concept’, ‘Network’, ‘Humanity’, ‘Dushanbe’, ‘Corridor’, ‘Customs’, ‘Information’, ‘Cross-border’
C9: Military cooperation BRIC’, ‘Border Defense’, ‘China-Russia’, ‘Demonstration Zone’, ‘Movie’, ‘China Kyrgyzstan’, ‘Base’, ‘Ocean’
C10: Central Asian interests Pakistan’, ‘India’, ‘Afghanistan’, ‘interests’, ‘partners’