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신용민,신원용 한국통신학회 2024 정보와 통신 Vol.41 No.6
최근 딥러닝 모델의 적용 분야가 다양해짐에 따라, 모델의 결과에 대한 설명을 요구하는 필요성이 높아지고 있다. 이러한 필요성은 그래프 신경망 (GNN: graph neural network)에 대해서도 강조가 되었지만, 그래프의 비정형적인 특성을 고려해야 하는 모델의 구조에 의해 그래프 신경망 방법론에 특화된 설명가능한 방법론에 대한 연구가 최근 들어 다양하게 진행되었다. 본고에서는 이러한 설명가능한 그래프 신경망 방법론과 더불어 평가 기준 및 데이터셋의 측면에서 바라본 최근 연구 동향에 대해 살펴본다.
신용민,정겨운 한국해양비즈니스학회 2019 해양비즈니스 Vol.- No.43
The purpose of this study is to examine the possibility of large-scale capital inflows when the government enacts the "Aquaculture Industry Development Act." The enactment of the "Aquaculture Industry Development Act" is intended to mitigate restrictions on entry into aquaculture, compared to the "Fisheries Act." It is necessary to develop technology and expand new investment to overcome the problems caused by the structural small-scale of aquaculture in Korea. Existing aquaculture workers are concerned about possible damage to some regulations of the “Aquaculture Industry Development Act.” It is because there is not yet a concrete and specific plan, although the legislative restrictions on the entry license and conditions for large corporations. Therefore, In this study, we first compare the restrictions on the entrance of large corporations between the existing "Fisheries Act" and the "Restrictions on Restricted Entrance of Large Enterprises" in the "Aquaculture Industry Development Act". Secondly, we review whether the actual large corporations have adequate legal and institutional conditions for entry into aquaculture, and finally, we find out the specific strategic species to be farmed.
Estimating the Effects of Environmental Taxation on the Offshore Fisheries
신용민,정겨운 한국경제통상학회 2019 경제연구 Vol.37 No.2
The purpose of this paper is to examine the supply of non- taxable oil, which is regarded as a representative fisheries subsidy in the Republic of Korea. Ultimately, this study aims to estimate the effects of environmental taxation on the cost structure of offshore fisheries. To this, we estimate the CO2 emissions of offshore fisheries and the cost function of its. In particular, we compared the translog cost function and the Fourier cost function. As a result of comparing each cost function model, Fourier cost function model well-satisfies the concavity of the cost function. Besides, using Fourier cost function model, the elasticity of fishery cost has been estimated. Lastly, we analyzed whether environmental taxation is valid or not to achieve political goals in the offshore fisheries.
신용민 한국고고미술연구소 2009 고고학지 Vol.- No.특집호
본고는 창원 다호리 고분 목관묘 유구와 관련하여 진·변한지역 목관묘의 매장주체부와 부장유물에 대하여 속성분석을 시도하였다. 창원 다호리 1호분은 지금까지 조사된 진·변한지역 목관묘 중에서 가장 특출한 목관묘 유구가 분명함이 금번 연구에서 확인되었다. 뿐만 아니라 당시 목관묘 조영사회에서 이미 각 집단 간에 신분적 위계를 달리하면서 매장주체부의 조영 및 유물 부장에서도 차이를 보이고 있었음을 밝히는데 어느 정도 성과를 얻을 수 있었다.
어업용 면세유 폐지시 근해저인망어업의 생산자잉여 변화에 관한 연구
신용민,전용한 한국해양비즈니스학회 2017 해양비즈니스 Vol.- No.38
This study’s purpose is to analyze the changes of Korean offshore trawling fisheries’ producer surplus in case of prohibition of tax-free oil for Fisheries following TPP and WTO/DDA agreements. The analysis methods were composed of three steps: first, standardizing individual offshore trawling fisheries’ fishing efforts through the Gavaris generalized linear model. Second, deducing the producer surplus through applying index Clarke, Yoshimoto, Pooley (CYP) surplus production model to estimate Maximum Sustainable Yield (MSY) and then utilizing bioeconomic model to estimate fishing efforts, catch, and fishery resources based on Open Access (OA) and Maximum Economic Yield (MEY) standards. Third, estimating supply curve through bioeconomic model based on OA and MEY standards. The analysis results show, with the prohibition of tax-free oil for fisheries, offshore trawling fisheries’ fishing efforts decrease due to the increase in oil price while resources increase, and producer surplus decreases with the decrease in price and catch. Like this, once tax-free oil for fisheries is prohibited, due the increase in oil price, offshore trawling fisheries’ business is expected to severely deteriorate. Thus, in case of prohibition of tax-free oil for fisheries, there should be effective measures to overcome the decrease in producer surplus and to maintain the sustainability of offshore trawling fisheries.