Knowledge Graph and Trend Outlook of Railway Line Security Research in China
At present,the knowledge graph analysis of railway line security research is rarely seen in China.With the help of CiteSpace,the knowledge graph of the number of publications,authors,institutions and keywords of railway line security research literatures in CNKI was obtained.Since the 1990s,the research of railway line security in China has gone through the stages of starting,developing and upgrading,which is closely related to previ-ous speed increases in China's railway system and the development of high-speed railway.The main research achievements are from railway public security organs and Railway Police College,but neither has formed a core group of researchers,nor do they exhibit substantial collaboration with one another.Currently,there are six deficiencies in the research of railway line security,including unclear definition of core concepts,few publication platforms for research achievements,insufficient efforts from key researchers,a small research community,an absence of noticeable external stimuli,and inflexible research methods.Under the profound influence of the great changes unseen in a century,the research on the security of China's railway lines will be carried out from six aspects:passenger and freight transport,"Belt and Road"railway construction,counter-terrorism measures,construction of a powerful transportation country,railway police reform,prevention of off-road casualties and strengthening external environment governance.
security of railway linesresearch statusknowledge graphtrend outlook
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