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조건부 변분오토인코더 및 협업필터링을 활용한 복지 프로그램 추천
김성은,지민기,문일철,주원영 대한산업공학회 2023 대한산업공학회지 Vol.49 No.1
Recently, the government of South Korea has offered a variety of welfare programs that are customized to diverse demands, such as diabetes management, alcohol addiction rehabilitation, living condition improvement, etc. These welfare programs have become too diverse to be remembered and recommended by individuals, and the government now has a list matching program recipients and programs for further studies. This research investigates such welfare program recommendation with a conditional variational autoencoder merged with collaborative filtering, a.k.a. CVAE-CF. We use a natural language description to provide the program information, or item in the context, and we utilize the demographic information from potential recipients as the user information. Our results show agreeable performance for future application to recommendation tasks showing 63% recall and 13.1% precision on average.
金成垠 啓明大學校 産業技術硏究所 1990 産業技術硏究所 論文報告集 Vol.13 No.1
This paper examined for the dynamic elastic-plastic response behavior of framed structures composed of composite beams under the earthquake loading. The elastic-plastic incremental stiffness matrix of composite beams is derived based on the Newmark's differential equation and on the generalized hinge method. Next, using the elastic-plastic stiffness matrix, the composite effects on the dynamic elastic-plastic response behavior of multi-story multi-bay building frames are examined against earthquake excitation. The frames used in the analysis are designed according to the plastic design method.
合成보의 强性剛性과 合成보 架構의 强性應力分布에 關한 硏究
金成垠 계명대학교 산업기술연구소 1990 産業技術硏究所 論文報告集 Vol.13 No.2
This paper describes on the elastic stiffness and moment distribution of composite beam frames under horizontal loads by using elastic stiffness matrix of composite beam. In estimating moments distribution of Composite beam frames eiastic stiffness of composite beam is unimformed in Design Recommendation for Composite Constructions. So it is overestimated in negative bending area and underestimated in positive bending area. Then, this paper throw light on moment distribution behavior of composite beam frames under horizontal loads by using elastic stiffness matrix of composite beams. And on using D-Value Method, to consider equivalent rigid ratio as varying cross section members of composite beam show possibility of elastic stress distribution of composite beam frames so high approximate value.
金成垠 啓明大學校 産業技術硏究所 1991 産業技術硏究所 論文報告集 Vol.14 No.1
本 硏究는 그림1에 나타내는 合成기둥의 휨에 대한 剛性·耐力에 대해서는 合成보와의 類似性으로 부터 鐵骨기둥에 比해 增大할 수 있다. 또 그 特徵으로서는 첫째, 鐵骨部分은 從來의 方法으로 制作 할 수 있고, 둘째, 現場에서의 配筋, 형틀作業이 不必要하고 셋째, 耐火·被覆을 겸할 수 있다고 하는 點을 들수 있다. 本 論文에서는 角形鋼管을 使用한 경우를 對象으로 하고 合成기둥의 力學的 性能을 鐵骨構造의 경우와 比較하여 分析하고 力學的 基礎資料의 收集을 目的으로 한다.
김성은 啓明大學校 産業技術硏究所 1996 産業技術硏究所 論文報告集 Vol.19 No.1
Although the research for the behavior of steel member that is subjected to combined stress has done fully, the research for behavior of steel member that is subjected to stress under the single axial force is not done fully. The purpose of this study are to find the elastic-plastic torsion analytical method using the generaliged plastic hinge method for the H-shaped section member that is in restricted to the bending moment within the torsion analytical method using the existing experimental results.