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최민규(MinGyu Choi),주성찬(Sung Chan Joo),김원건(Kim Won Geon),김진솔(Jinsol Kim),길동현(DongHyun Gill),강태원(TaeWon Gang) 한국정보기술학회 2021 Proceedings of KIIT Conference Vol.2021 No.11
KOSPI 지수에 영향을 줄 수 있는 경제 지표와 원자재의 날짜별 가격을 입력 특성으로 선정한 후 랜덤 포레스트 알고리즘을 적용하여 익일 변동을 예측하였다. 수집한 데이터의 모든 특성을 포함하여 모델을 학습한 후, 특성의 중요도를 평가한다. 중요도에 따라 입력 특성을 선별한 후 모델을 다시 학습하여 정확도가 더 높은 모델을 구축한다. 실험 결과 초기 모델의 AUC는 0.57, 입력 특성을 선별한 모델의 AUC는 0.59로 다소 개선 되었음을 알 수 있었다. After selecting economic indicators that can affect the KOSPI and the price of raw materials by date as input characteristics, a random forest algorithm was applied to predict the next day"s fluctuations. After training the model including all the features of the collected data, the importance of the features is evaluated. After selecting input features according to their importance, the model is trained again to build a model with higher accuracy. As a result of the experiment, it was found that the AUC of the initial model was 0.57, and the AUC of the model in which the input characteristics were selected was slightly improved to 0.59.
중대재해 처벌등에 관한 법률상 안전사고의 현황과 대응방안
최민규(Mingyu Choi) 한국중재학회 2023 중재연구 Vol.33 No.2
In this thesis, the domestic and foreign legislative background and legislative process of the Serious Accident Punishment Act were reviewed, and the Serious Accident Punishment Act in Korea was reviewed. In 2022, more safety accidents occurred in the construction industry than in other fields, and in particular, the most deaths occurred in the ‘fall’ type. In April 2023, regarding two criminal first-instance trial cases, the courts all sentenced guilty, and in one case, the representative of the company(CEO) was sentenced to imprisonment and was arrested. In response, the management side expresses the opinion that the punishment is excessive and there is a concern that corporate management will shrink, while the workers side(Union) argues that the responsibility of the business operator or manager should be strengthened by heavier punishment. As a countermeasure to overcome rationally, we present a plan in terms of legislation and resolution process. In other words, we present a review of the amendment to the Serious Accident Punishment Act and the Court Organization Act. In addition, guidelines for the a safety and health system must be implemented, and if an accident occurs, it must be dealt with reasonably. As a result, safety accidents in the construction industry should drastically decrease and safety culture should be properly established.