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http://dx.doi.org/10.14346/JKOSOS.2021.36.5.61

Research Trends of Ergonomics in Occupational Safety and Health through MEDLINE Search: Focus on Abstract Word Modeling using Word Embedding  

Kim, Jun Hee (Research and Development, KOREATECH Corporation)
Hwang, Ui Jae (Department of Physical Therapy, Yonsei University)
Ahn, Sun Hee (Research and Development, KOREATECH Corporation)
Gwak, Gyeong Tae (EHS, Coupang Corporation)
Jung, Sung Hoon (Department of Physical Therapy, Yonsei University)
Publication Information
Journal of the Korean Society of Safety / v.36, no.5, 2021 , pp. 61-70 More about this Journal
Abstract
This study aimed to analyze the research trends of the abstract data of ergonomic studies registered in MEDLINE, a medical bibliographic database, using word embedding. Medical-related ergonomic studies mainly focus on work-related musculoskeletal disorders, and there are no studies on the analysis of words as data using natural language processing techniques, such as word embedding. In this study, the abstract data of ergonomic studies were extracted with a program written with selenium and BeutifulSoup modules using python. The word embedding of the abstract data was performed using the word2vec model, after which the data found in the abstract were vectorized. The vectorized data were visualized in two dimensions using t-Distributed Stochastic Neighbor Embedding (t-SNE). The word "ergonomics" and ten of the most frequently used words in the abstract were selected as keywords. The results revealed that the most frequently used words in the abstract of ergonomics studies include "use", "work", and "task". In addition, the t-SNE technique revealed that words, such as "workplace", "design", and "engineering," exhibited the highest relevance to ergonomics. The keywords observed in the abstract of ergonomic studies using t-SNE were classified into four groups. Ergonomics studies registered with MEDLINE have investigated the risk factors associated with workers performing an operation or task using tools, and in this study, ergonomics studies were identified by the relationship between keywords using word embedding. The results of this study will provide useful and diverse insights on future research direction on ergonomic studies.
Keywords
ergonomics; occupational safety and health; research trends; word embedding; word2vec; t-SNE;
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