Funding for this research was provided by:
the National Social Science Fund of China (13CJL071)
Chinese Academy of Sciences strategic research and decision support system construction project (GHJ-ZLZX-2016-11)
Fujian Science and Technology Association science and technology think tank major project (FJKX-ZD1401)
Philosophy and Social Science Innovation Team Project of Fuzhou University (17TD06)
Text and Data Mining valid from 2018-06-11
Received: 16 October 2017
Accepted: 23 April 2018
First Online: 11 June 2018
: The authors declare that they have no competing interests.
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