How Has Covid-19 Affected Published Academic Research? A Content Analysis of Journal Articles Mentioning the Virus

Mike Thelwall, Saheeda Thelwall

2021, 6 (4): 1-12.     Abstract( 727 )   HTML ( 205)        PDF (666KB) ( 189 )

doi: 10.2478/jdis-2021-0030

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The Scientometric Measurement of Interdisciplinarity and Diversity in the Research Portfolios of Chinese Universities

Lin Zhang, Loet Leydesdorff

2021, 6 (4): 13-35.     Abstract( 565 )   HTML ( 1596)        PDF (1537KB) ( 288 )

doi: 10.2478/jdis-2021-0027

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New Indicators of the Technological Impact of Scientific Production

Vicente P. Guerrero-Bote, Henk F. Moed, Félix Moya-Anegón

2021, 6 (4): 36-61.     Abstract( 284 )   HTML ( 1606)        PDF (1642KB) ( 259 )

doi: 10.2478/jdis-2021-0028

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Scientific Value Weights more than Being Open or Toll Access: An analysis of the OA advantage in Nature and Science

Howell Y. Wang, Shelia X. Wei, Cong Cao, Xianwen Wang, Fred Y. Ye

2021, 6 (4): 62-75.     Abstract( 199 )   HTML ( 31)        PDF (2477KB) ( 129 )

doi: 10.2478/jdis-2021-0033

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Substantiality: A Construct Indicating Research Excellence to Measure University Research Performance

Masashi Shirabe, Amane Koizumi

2021, 6 (4): 76-89.     Abstract( 654 )   HTML ( 24)        PDF (2765KB) ( 212 )

doi: 10.2478/jdis-2021-0029

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Does Success Breed Success? A Study on the Correlation between Impact Factor and Quantity in Chinese Academic Journals

Kun Chen, Xiantong Ren, Guoliang Yang, Ailifeire Abudouguli

2021, 6 (4): 90-110.     Abstract( 116 )   HTML ( 17)        PDF (697KB) ( 104 )

doi: 10.2478/jdis-2021-0031

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Feature and Tendency of Technology Transfer in Z-Park Patent Cooperation Network: From the Perspective of Global Optimal Path

Jun Guan, Jingying Xu, Yu Han, Dawei Wang, Lizhi Xing

2021, 6 (4): 111-138.     Abstract( 76 )   HTML ( 27)        PDF (22873KB) ( 41 )

doi: 10.2478/jdis-2021-0034

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A Topic Detection Method Based on Word-attention Networks

Zheng Xie

2021, 6 (4): 139-163.     Abstract( 98 )   HTML ( 22)        PDF (902KB) ( 119 )

doi: 10.2478/jdis-2021-0032

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