Kim, J. and Kang, P. 2018. ANALYZING INTERNATIONAL COLLABORATION AND IDENTIFYING CORE TOPICS FOR THE “INTERNET OF THINGS” BASED ON NETWORK ANALYSIS AND TOPIC MODELING. International Journal of Industrial Engineering: Theory, Applications and Practice. 25, 3 (Sep. 2018). DOI:https://doi.org/10.23055/ijietap.2018.25.3.4194.