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Topic Evolution and Emerging Topic Analysis Based on Open Source Software

Xiang Shen

Xiang Shen

National Science Library, Chinese Academy of SciencesBeijing, China
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Shen, Xiang
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Li Wang

Li Wang

Department of Library, Information and Archives Management of University of Chinese Academy of SciencesBeijing, China
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Wang, Li
  
07. Sept. 2020
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Artikel-Kategorie: Research Paper
Online veröffentlicht: 07. Sept. 2020
Seitenbereich: 126 - 136
Eingereicht: 23. Jan. 2020
Akzeptiert: 20. Juli 2020
DOI: https://doi.org/10.2478/jdis-2020-0033
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© 2020 Xiang Shen et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

A temporal evolution map of VOSviewer.
A temporal evolution map of VOSviewer.

Figure 2

A map file generated by VOSviewer.
A map file generated by VOSviewer.

Figure 3

The general approach to topic evolution and emerging topic analysis based on VOSviewer and Microsoft Office.
The general approach to topic evolution and emerging topic analysis based on VOSviewer and Microsoft Office.

Figure 4

The annual number of research articles on PSCs indexed in Scopus from 1999 to 2018.
The annual number of research articles on PSCs indexed in Scopus from 1999 to 2018.

Figure 5

A part of the thesaurus constructed for PSCs in VOSviewer.
A part of the thesaurus constructed for PSCs in VOSviewer.

Figure 6

Topic evolution for PSCs.
Topic evolution for PSCs.

Figure 7

Detecting emerging terms using Excel's “LOOKUP” function.
Detecting emerging terms using Excel's “LOOKUP” function.

Figure 8

Examples of emerging PSC Terms from 2014 to 2018.
Examples of emerging PSC Terms from 2014 to 2018.

Figure 9

Variation in PSC term occurrence.
Variation in PSC term occurrence.
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