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http://dx.doi.org/10.5762/KAIS.2018.19.10.176

A Study on the Trends of Construction Safety Accident in Unstructured Text Using Topic Modeling  

Lee, Sang-Gyu (Korea Institute of Civil Engineering and Building Technology)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.19, no.10, 2018 , pp. 176-182 More about this Journal
Abstract
In order to understand and track the trends of construction safety accident, this study shows the topic trends in the construction safety accident with LDA(Latent Dirichlet Allocation)-based topic modeling method for data analytics. Especially, it performs to figure out the main issue of construction safety accident with unstructured data analysis based on the topic modeling rather than a variety of structured data analysis for preventing to safety accident in construction industry. To apply this methodology, I randomly collected to 540 news article data about construction accident from January 2017 to February 2018. Based on the unstructured data with the LDA-based topic modeling, I found the 10 topics and identified key issues through 10 keyword in each 10 topics. I forecasted the topic issue related to construction safety accident based on analysis of time-series trends about the news data from January 2017 to February 2018. With this method, this research gives a hint about ways of using unstructured news article data to anticipate safety policy and research field and to respond to construction accident safety issues in the future.
Keywords
Unstructured data; Construction Safety Accident; Topic Modeling; Latent Dirichlet Allocation (LDA); News Article; Time-Series;
Citations & Related Records
Times Cited By KSCI : 7  (Citation Analysis)
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