Infrastructure Planning and Management Vol.35 (Special Issue)
RESEARCH TOPIC TRANSITION IN INFRASTRUCTURE PLANNING IN JAPAN
2018 Volume 74 Issue 5 Pages I_349-I_358
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2018 Volume 74 Issue 5 Pages I_349-I_358
Infrastructure Planning Committee in Japan marked the 50th anniversary in 2016. The purpose of this study is to clarify the historical research topic trend of Infrastructure Planning in Japan. About 1000 reviewed papers from 1985 to 2015 were collected, and the collected text were analyzed by Topic Model. Due to the successful estimation of potential topics in those papers, some of evolutional cycles of research topics were found, which proved the active expansion of the research fields in our society. On the basis of these findings, the ranges of activities that should be supported in future by our society were discussed.
