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단체 건강검진 운영 관리를 위한 통합관리 시스템의 설계 및 구현
정성욱 ( Sung Wook Jeong ),김준우 ( Jun Woo Kim ) 한국정보시스템학회 2015 情報시스템硏究 Vol.24 No.2
Purpose The healthcare services have drawn so much public attention, and many organizations such as schools and companies require the individuals to undergo the periodic health examination. In general, however, the mass health examination services are not managed in systematic way, and both examinees and medical staffs often experience much inconvenience while preparing, undergoing and managing the services. To address such problems, this paper aims to design the Health Examination Management System (HEMS), an integrated management system for mass health examination operations management, and implement its prototype. Design/methodology/approach First of all, HEMS enables the medical staffs to efficiently collect and manage the examination result data by supporting examination service management. Second, the users can efficiently analyze the cause-and-effect relationships among the examination items by using the visualization tool of HEMS based on the cluster heat map. Finally, the HEMS provides the operational supports for evaluating and managing the service performances. Findings The HEMS indicates that the conventional operations management approaches can be incorporated into the mass health examination services, and it is expected that the proposed system enables the examinees and the medical staffs to participate in such services in more efficient way.
후보순위 기반 타부 서치를 이용한 제약 조건을 갖는 작업 순서결정 문제 풀이
정성욱 ( Sung-wook Jeong ),김준우 ( Jun-woo Kim ) 한국정보시스템학회 2016 情報시스템硏究 Vol.25 No.1
Purpose This paper aims to develop a novel tabu search algorithm for solving the sequencing problems with precedence constraints. Due to constraints, the traditional meta heuristic methods can generate infeasible solutions during search procedure, which must be carefully dealt with. On the contrary, the candidate order based tabu search (COTS) is based on a novel neighborhood structure that guarantees the feasibility of solutions, and can dealt with a wide range of sequencing problems in flexible manner. Design/methodology/approach Candidate order scheme is a strategy for constructing a feasible sequence by iteratively appending an item at a time, and it has been successfully applied to genetic algorithm. The primary benefit of the candidate order scheme is that it can effectively deal with the additional constraints of sequencing problems and always generates the feasible solutions. In this paper, the candidate order scheme is used to design the neighborhood structure, tabu list and diversification operation of tabu search. Findings The COTS has been applied to the single machine job sequencing problems, and we can see that COTS can find the good solutions whether additional constraints exist or not. Especially, the experiment results reveal that the COTS is a promising approach for solving the sequencing problems with precedence constraints. In addition, the operations of COTS are intuitive and easy to understand, and it is expected that this paper will provide useful insights into the sequencing problems to the practitioners.
정성욱(Jeong Sung-Wook),손규일(Sohn Kyoo-Il),이경근(Lee Kyung-Keun),임남기(Lim Nam-Ki) 대한건축학회 2008 大韓建築學會論文集 : 構造系 Vol.24 No.4
By the improvement of chemistry technology, the production and equipment of various building materials composed of complex chemicals have increased. Since pollutants resulting from it have had an adverse effect on air quality, lots of environmental-friendly certification programs reflecting the regulations about these pollutants have operated. Although these environmental-friendly certification programs have directly and indirectly influenced on our daily lives, credibility concerning it does not fully satisfy the expectation. In this paper, among certification programs in forms of legal compulsion, legal voluntariness, and public voluntariness which are currently operating in our country, certification programs of the environmental friendly building materials such as building materials emitting pollutants, certification rules related to E-mark and HB mark, procedures and certification have been investigated, and ‘management about certificate authority’ and ‘procedures of certification operations’ as improvement policy for raising the credibility about them have been suggested.
기상예측시스템 소프트웨어 조사 및 GloSea6 소프트웨어 저해상도 설치방법 구현
정성욱(Sung-Wook Chung),이창현(Chang-Hyun Lee),정동민(Dong-Min Jeong),염기훈(Gi-Hun Yeom) 한국정보전자통신기술학회 2021 한국정보전자통신기술학회논문지 Vol.14 No.5
컴퓨터 기술의 발전과 기상예보 모델 및 예측방식의 고도화에 따라 더 고성능의 기상예측 소프트웨어가 개발되었으며 슈퍼컴퓨터를 활용한 소프트웨어 수행으로 더욱 정밀하고 정확한 기상예보가 가능하게 되었다. 본 논문에서는 주요 6개국이 사용하고 있는 기상예측 예보 모델을 조사하여 그 특징들을 분석하고 현재 한국 기상청에서 영국 기상청과 2012년부터 협업하여 사용하고 GloSea 소프트웨어에 대하여 설명한다. 그런데 기존의 GloSea는 기상청 슈퍼컴퓨터에서만 수행되어 다양한 연구자들의 전문 분야별 세분화된 연구에 어려움이 있었다. 따라서 본 논문에서는 현재 우리나라에서 사용하고 있는 GloSea6 기반의 저해상도 버전을 로컬시스템에 사용할 수 있는 표준 실험환경을 구축하고 이를 테스트해봄으로써 연구실 환경에서 수행 가능한 저해상도 GloSea6의 로컬화를 제시하고자 한다. 즉, 본 논문에서는 사용자 단말기-계산서버-리퍼지토리 서버로 구성되는 기본 아키텍처를 구축하고 해당 소프트웨어의 실행 테스트를 수행함으로써 저해상도 GloSea6의 로컬 이식성을 검증한다. With the development of technology and the advancement of weather forecasting models and prediction methods, higher performance weather forecasting software has been developed, and more precise and accurate weather forecasting is possible by performing software using supercomputers. In this paper, the weather forecast model used by six major countries is investigated and its characteristics are analyzed, and the Korea Meteorological Administration currently uses it in collaboration with the UK Meteorological Administration since 2012 and explains the GloSea However, the existing GloSea was conducted only on the Meteorological Administration supercomputer, making it difficult for various researchers to perform detailed research by specialized field. Therefore, this paper aims to establish a standard experimental environment in which the low-resolution version based on GloSea6 currently used in Korea can be used in local systems and test it to present the localization of low-resolution GloSea6 that can be performed in the laboratory environment. In other words, in this paper, the local portability of low-resolution Globe6 is verified by establishing a basic architecture consisting of a user terminal-calculation server-repository server and performing execution tests of the software.
양산 칼데라에 관련되는 화산암류에서 광물함량 변화의 해석
황상구(Sang Koo Hwang),김세현(Se Hyeon Kim),정성욱(Seong Wook Jeong) 한국암석학회 2008 암석학회지 Vol.17 No.3
양산 칼데라에 관련된 화산암류의 반정광물 모드조성과 전암 노옴조성은 마그마챔버 내에서 조성누대된 마그마로부터 유래되었음을 기록하고 있다. 이 화산암류는 SiO2에 대한 반정비율이 전체적으로 직선상의 연속적 조성구배를 나타낸다. 뿐만 아니라 총반정함량에 대한 반정비율이 양산응회암, 화제리층의 응회암과, 고규질 유문반암을 제외한 장석반암 등의 암석단위로 뚜렷하게 구분된다. 그리고 각 암석 단위 내에서 연속적인 직선상 조성구배를 나타내고, Q-Ab-Or 삼각도와 Q-An-(Ab-Or) 삼각도에서도 마찬가지 경향을 보인다. 또한 상부로 가면서 사장석 반정함량과 그 비율이 점진적으로 풍부해지고 석영과 K-장석의 반정함량과 그 비율은 점점 감소하는 함량변화를 나타낸다. 그리고 양산응회암과 화제리층 응회암에서 반정함량과 그 비율이 상부로 가면서 지그재그형의 파동적인 변화를 나타낸다. 이 직선상 조성구배와 점진적인 함량변화는 각각 양산응회암 분출전 뿐만 아니라, 후기 양산 칼데라 함몰전과 함몰후의 마그마챔버에서 상부에서 하부로 가면서 성분이 누대되었음을 암시한다. The modal analyses on the phenocryst phases and the normative mineralogies from the bulk chemical analyses record that the volcanic rocks related to the Yangsan caldera might been derived from compositionally zoned magma. The volcanic rocks show linearly continuous mineralogical gradients, not only totally in the relations between SiO2 and proportion of phenocryst content, but also within each rock unit in the relations between total phenocryst content and the proportion, Q-Ab-Or and Q-An(Ab-Or) diagrams. The roughly gradational modal variations of the phenocryst phases are shown upward within each rock unit. However, the contents and proportion of the phenocrysts in the Yangsan Tuff and the Hwajeri Formation represent the zigzaggedly undulatory variations. The continuous mineralogical gradients without large gaps define a large zoned magma system in the pre-eruptive, later precollapse and postcollapse magma chambers respectively. The zigzagged variations reflect the intermittent eruptive pulses representing any time gaps.