Type of the paper (article

HIGHLIGHTS

• who: MDPI from the widely used and validated text mining tools: VOSviewer(Developer: Centre for Science and Technology Studies (CWTS), Leiden University, EZ Leiden, Netherlands) and NVivo(Developer: QSR International, Doncaster, Australia)First, objective keyword identification is conducted with VOSviewer to increase the accuracy of the keyword selection and the selected keywords and clusters of the keywords are visualized to understand the keyword relationships. Second, the selected keywords are searched in the web descriptions using NVivo to analyze the context surrounding the keywords. By combining VOSviewer and NVivo, this methodology could achieve a complexity reduction in keyword . . .
  

   

  

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