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최기석}(Ki-Seok Choi),박만희(Man-Hee Park),김영국(Young-Kuk Kim) 한국산업경영시스템학회 2009 한국산업경영시스템학회지 Vol.32 No.4
This Study constructs a dashboard system to synthetically and systematically monitor national R&D information based on data warehouse Managing the national R&D statistics and trend is important since it provides data for policies and decision making for national R&D Many agencies related to national R&D information collect the basic R&D statistic data which provides the basis of logical decision making and R&D policies The data has not well been used The data has not been consistently collected nor managed The raw data has not been organized nor processed to meet various demands The need has been arisen for a consistent national R&D monitoring system to increase the relevance, accessibility and efficiency of data for various users This study selects 25 key indicators based on the user requirements and designs data warehouse for supporting the indicators using star schema The dashboard system is developed in this study provides the infrastructure of monitoring national R&D information and analytic environment of supporting statistical analysis and time-series data analysis
학생수 변화와 학교 위치를 중심으로 본 구시가지역 초등학교 재배치 계획 모형 도출과 사례 적용에 관한 연구 - 부산시 D 구시가지역 사례 적용 -
최기석,Choi, Ki-Seok 한국교육녹색환경연구원 2021 교육·녹색환경연구 Vol.20 No.1
본 연구는 학생수가 급격히 감소하고 있는 구시가지역의 중장기 학생수 증감 추이, 통학구역 내 학교위치, 통학거리 등을 조사·분석하여 학교 재배치에 도움이 되는 실질적 방안을 제공하고자 하였다. 이를 위하여 선행연구 조사, 사례지역 분석 등을 실시하여 구시가 지역 학교 재배치 모형을 도출하였다. 구시가지역 학교 재배치 모형 도출은 먼저 대상지역과 학교별 학생수의 중장기적 변화추이를 분석하고, 학교별 학생들의 통학거리를 실측하여 통학구역 내의 학교 위치를 본 연구에서 제시한 지역 맞춤형 학교 배치 격자도 모형을 통해 학교를 배치한다. 그리고 학교 재배치 계획은 인근의 도시정비사업과 연계 등을 통해 학교용지를 확보하고 지역 소생활권 계획과 연계한 중장기적 학교 재배치 계획을 수립하여 시행할 필요가 있다. This study aimed to provide practical measures to help the relocation of schools by investigating and analyzing the trend of increasing number of students in the old city, the location of schools in the school district, and the distance to school. To this end, a model for the relocation of schools in the old city was derived by conducting prior research surveys and case area analysis. In order to derive the Planning Model of Elementary School Relocation in the Old city, the study first analyzes the mid- to long-term changes in the target area and the number of students by school, and places schools through a regionally customized school layout grid model presented in the study. In addition, the school relocation plan needs to be implemented by establishing a mid- to long-term school relocation plan in connection with the nearby urban readjustment project, etc.
홀로코스트 기념관 건축을 통해서 본 감각적 장소성 재현에 관한 연구
최기석(Choi Ki-Seok),구영민(Koo Young-Min) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(계획계)
This study places the focus on the programs of memorial architecture, which are scattered around all over the city. Presuming the city is a place where history is registered, the study attempts to explore the possible ways to transform the narrative property and sensuous experience of the space gained from such programs to build up urban identity. Focused on Holocaust memorial museums, in particular, which are built during the last decades of the 20th century, the study investigates how to transform such tragic history into the sense of place by the theme and message, form and spatial experience.
최기석(Ki-Seok Choi),이소정(So-Jung Lee),이정상(Jeong-Sang Lee),홍경숙(Kyung-Sook Hong),김정곤(Jeong-Gon Kim),김윤재(Yoon-Jae Kim),함기백(Ki-Baik Hahm) 고려인삼학회 2009 Journal of Ginseng Research Vol.33 No.4
구강악취 원인 물질인 H₂S를 발생시키는 NaHS로 RAW264.7 세포를 자극시킨 결과, VSCs 생성에 관련된 CSE 유전자 발현증가와 함께 IL-6, COX-2, iNOS와 같은 염증매개 cytokine이 증가하며, 아울러 본 대식세포나 백혈구 활성에 관련된 세포내 골격단백질인 ERM의 발현증가가 유도되었다. 이러한 사실은 이전의 연구결과인 VSCs의 생성이 위점막 염증 및 손상과 연관되어 있다는 이전의 연구를 증빙해주는 사실인데, 더욱 흥미로운 사실은 고려 홍삼의 전처치를 통하여 CSE의 억제는 물론 염증 연관 cytokine 및 ERM의 발현억제를 유도할 수 있으며, 이는 세포내 신호전달계인 p38 및 ERK의 억제, 주로는 ERK 비활성화를 통하여 작동됨을 규명하였다. 고려홍삼이 구강악취 환자에게서 증상 완화내지는 소멸을 위하여 매우 유용하다는 이전의 연구결과에 본 연구결과가 추가됨으로 고려홍삼에 의한 VSC 생성억제 기전이 관련된 유전자의 약화는 물론 cytokine 억제 및 백혈구 활성에 관련된 인자억제를 통한 항염증 작용에 근거한다는 기전을 추가할 수 있었다. Halitosis is a generally accepted marker of diseases in the oral cavity and of systemic and gastrointestinal disorders. Based on these authors’ previous findings (that (1) there is a close association between H. pylori infection and halitosis; (2) Korea red ginseng may suppress the colonization of H. pylori, fight H. pylori-induced cytotoxicity, and impose significant anti-inflammatory actions in patients with chronic gastritis; and (3) H. pylori infection is linked with the generation of significant levels of volatile sulfur compounds (VSCs), and the levels of VSCs correlate significantly with H. pylori-associated mucosal damages), in the current study, the authors documented the molecular mechanisms of Korea red ginseng’s efficacy in ameliorating halitosis. When the RAW 264.7 cells were treated with the H₂S releasing compound NaHS, the mRNA expression of cystathionine γ-lyase (CSE), IL-6, COX-2, and iNOS were more significantly induced compared with the vehicle-treated group. The cytoskeletal components of ezrin’s and moesin’s mRNA expressions were elevated by NaHS treatment accompanied by the activation of MAPK, p38, and ERK. Korea red ginseng pretreatment reduced both the NaHS-induced CSE expression and the proinflammatory genes (e.g., IL-6, COX-2, and iNOS) in a concentration-dependent manner. The ERM expression and the phosphorylation of p38 were also significantly reduced by Korea-red-ginseng pretreatment. Overall, Korea red ginseng pretreatment imposed significant anti-inflammatory effects through the downregulation of the NaHS-triggered proinflammatory gene expression, CSE, and ERM mRNA expression. Korea red ginseng could thus be said to be a key remedy of halitosis and to be effective in relieving gastric inflammation.
Asymptotic Analysis on Service Differentiation with Customer Arrival Information
최기석(Ki-Seok Choi) 한국경영과학회 2008 韓國經營科學會誌 Vol.33 No.2
An interesting problem in capacitated supply chains is how to guarantee customer service levels with limited resources. One of the common approaches to solve the problem is differentiating service depending on customer classes. High-priority customers receive a better service at the cost of low-priority customers’ service level. One of common criteria to determine a customer’s priority in practice is whether he has made a reservation before arrival or not. Customers with a reservation usually receive service based on the time the reservation was made. We examine the effect this advance information of customer arrival has on customer service levels. We show the trade-offs between the leadtime and other system characteristics such as the proportion of high-priority customers, when the service level is high. We also suggest how to differentiate service using the asymptotic ratio of the service levels for both types of customers.
Analysis of Quantity Adjustment Flexibility in Custom Component Supply Contracts
최기석(Ki-Seok Choi) 한국산업경영시스템학회 2008 한국산업경영시스템학회지 Vol.31 No.4
완제품 생산을 위하여 특별한 사양의 커스텀 부품이 필요한 경우 부품 공급자의 공급능력은 완제품 생산자의 생산능력을 제한하는 요소로 작용하여 궁극적으로 완제품 고객 서비스 수준에 큰 영향을 미친다. 완제품 수요가 불확실한 경우 수요 변동에 따른 부품 공급량 증감을 허용하는 커스텀 부품 공급자의 유연성은 완제품 생산자에게 목표 고객 서비스 수준을 만족하기 위한 부품 조달 비용을 절감할 수 있도록 하는 등의 이익을 가져온다. 본 논문에서는 이러한 커스텀 부품 공급 계약의 유연성이 갖는 가치를 완제품 생산자 측면에서 분석하는 방안을 제시한다.