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      • KCI등재

        무기체계 통합시뮬레이션 소프트웨어의 품질 속성 검토

        오현식,김도형,이순주,Oh, Hyun-Shik,Kim, Dohyung,Lee, Sunju 한국군사과학기술학회 2021 한국군사과학기술학회지 Vol.24 No.4

        This paper describes the quality attributes of an integrated simulation software for weapon systems named Advanced distributed simulation environment(AddSIM). AddSIM is developed as a key enabler for Defense Modeling & Simulation(M&S) systems which simulate battlefields and used for battle experiments, analyses, military exercises, training, etc. AddSIM shall provide a standard simulation framework of the next Defense M&S systems. Therefore AddSIM shall satisfy not only functional but also quality requirements such as availability, modifiability, performance, testability, usability, and others. AddSIM consists of operating softwares of hierarchical components including graphical user interface, simulation engines, and support services(natural environment model, math utility, etc.), and separated weapon system models executable on the operating softwares. The relation between software architectures and their quality attributes are summarized from previous works. And the AddSIM architecture and its achievements in the aspect of quality attributes are reviewed.

      • 유저 인터페이스 향상을 위한 플래시 기반의 웹 설문조사 시스템

        오현식,안성옥,O, Hyeon-Sik,An, Seong-Ok 배재대학교 공학연구소 2005 공학논문집 Vol.7 No.1

        오늘날의 인터넷은 네티즌들에게 수많은 정보를 제공해 줌에 따라 이제는 본격적으로 인터넷을 통해 네티즌들의 생각을 수집해 가는 단계에 이르렀다. 이러한 상황에서 웹 설문조사는 오프라인뿐 만 아니라 온라인상에서 그 가치를 더 할 수 있다. 하지만 많은 사람들의 참여가 중요하기 때문에 설문조사는 사람들의 관심을 끌 수 있는 주제여야하고, 서술적인 평범한 화면보다는 가시적인 기능이 추가되어 흥미를 유발시키는 새로운 인터페이스를 제공해 줌으로서 네티즌의 보다 적극적인 관심과 설문조사에서의 높은 호응도를 이끌 수 있다고 본다. 이에 플래시를 이용한 웹 설문조사 시스템을 이용해서 재미있게 설문조사를 할 수 있게 함으로서 가치를 한층 더 높여 보고자 한다. The nowaday Internet reached in phase that collect ideas of netizens through the Internet now regularly according as offer netizens great many information. In these circumstance, web survey system knows off-line just in on-line the value more do can. However, because participations of many people are important, web survey must be subject that can attract interest of people, and more visual function sees that can lead high hailing degree in active interest and survey more than netizen by offering new interface that provoke interest because is added than uninteresting screen. Therefore, I wish to enhance value still more by doing as can do survey interestingly using web survey system that use flash.

      • 파에 의한 해저 파이프라인의 국부세굴

        오현식,김경호 충북대학교 산업과학기술연구소 2002 산업과학기술연구 논문집 Vol.16 No.1

        Submarine pipelines, one of the most important subjects in coastal engineering, are widely used in coastal structures. The stability of submarine pipelines is more important than other offshore structures, because local scour have influence on exposed pipelines due to waves generated in shallow water region. The local scour influence by wave should be previously considered because the self-burial caused to local scour induces additional static or dynamic loads and various risk elements. However, local scour occurring in waves has not been investigated as widely as in currents. This paper presents experimental investigations of scour depth with respect to scour parameters using regular waves. The investigations encompass shallow water region conditions. Developments of scour near the pipeline are observed and recorded due to variations of wave periods, wave heights and pipe diameters. This paper analyzes correlation between KC number and various scour parameters. By investigating new approach method suggested by C¸evik et al.(1999), it is found that modified Ursell number is valid for main parameters occurring to local scour below pipeline. Also this study analyzes relation between KC number and modified Ursell number and suggests modified equation based on experimental data. Under special experimental conditions, incomplete scours are appeared. This is caused by multiple correlation made with water depth(d), wave heights(H), period(T) and pipe diameter(D).

      • 부동산분야 국가직무능력표준(NCS)의 개발현황과 과제

        오현식 한국감정원 2016 부동산분석 Vol.2 No.1

        The purpose of the study is to review the current development status of the NCS(National Competency Standards) and presents directions to consider for the NCS development and learning modules etc. in the real estate sector. Future assignments to be considered for the NCS in the real estate sector are as follows. First, we need to modify the classification of real estate sector in NCS. It has been included in the business and sales sector, but it doesn’t take into account social and public nature of real estate. Second, we should consider the peculiarities of the real estate sector in promoting development of the NCS learning modules. Considering the pluralistic and complex fusion that could respond to changes in the real estate industry is required. It should further enhance the specificity of the nature of on-site activities, the real estate sector. Furthermore, job attitudes are very important in the real estate sector having a social and public good. Third, for the relevant agencies of the real estate sector, it is necessary to prepare a variety of environmental change, including restructuring, intra-industry wage system reform, evaluation of skills qualifications depending on the progress of the NCS future business. 연구의 목적은 부동산분야 NCS 개발현황을 검토하고 향후 부동산분야 NCS 개발, NCS 기반 학습모듈 개발, 교육·훈련·자격취득에 고려할 과제를 제시하는 것이다. 향후 부동산분야의 NCS 개발에 있어서 고려할 과제는 다음과 같다. 첫째, NCS 부동산분야의 분류체계를 수정해야 한다. 부동산분야를 영업·판매에 분류하는 것은 부동산산업의 규모와 국민경제에 미치는 영향, 그리고 부동산의 사회성과 공공성을 고려하지 못한 것이다. 둘째, 부동산분야 NCS 개발 및 학습모듈 개발에 대한 사항은 부동산분야의 특수성을 충분하게 고려를 해야 한다. 부동산분야의 직무능력은 부동산산업의 변화에 대응할 수 있는 다원적이고 융·복합 측면을 고려해야 하고, 부동산분야의 특수성인 임장활동 성격을 보다 더 강화시켜야 하며, 부동산분야의 사회성과 공공성 의미를 강조할 필요가 있다. 셋째, 부동산분야 NCS 개발의 유관기관은 향후 NCS 사업의 진행에 따라 자격종목의 개편, 산업 내 임금체계 개편, 직무능력평가 등 다양한 환경변화에 준비를 하는 것이 필요하다. NCS의 법적근거가 자격기본법에 규정되어 있는 만큼 향후 자격체계 및 수수료 체계의 변화가 예상되기 때문이다.

      • KCI등재

        신경세포 이주장애 질환에서 신경세사 단백 아형의 발현

        오현식,최유덕,김현중,이경화,김명규,우영종,김재휴,이민철 대한병리학회 2003 Journal of Pathology and Translational Medicine Vol.37 No.6

        Background : Neuronal migration disorder (NMD) is one of the causes of medically intractable epilepsy. As neurosurgical treatments for medically intractable epilepsy have expanded recently, precise histopathologic diagnosis is required. Histopathologic grading of NMD is important due to its association with neocortical development and expectation of prognosis. Many studies revealed abnormalities of neuronal cytoskeletal protein in abnormal neuronal cells of NMD. Methods : We performed immunohistochemical staining for neurofilament protein (NF) subtypes, one of the neuronal cytoskeletal proteins, and investigated the staining pattern of specific cells in each grade of NMD. Results : NF-L was more intensely labeled in perikarya, dendrites, and axons of normal or small sized dysplastic neurons, cytomegalic neurons, and balloon cells than of normal-looking neurons. Furthermore, positive reaction was more intense in high-grade lesion. NF-H and NF-M were mainly positive in the axons of gray and white matter and weakly positive in a few cytomegalic neurons and some balloon cells. Conclusion : NF-L is a better marker than NF-H and NF-M for the detection of normal or small sized dysplastic neurons, cytomegalic neurons, and balloon cells and for grading of NMD.

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