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한지원 ( Ji Won Han ),임희석 ( Heui Seok Lim ) 한국컴퓨터교육학회 2015 한국컴퓨터교육학회 학술발표대회논문집 Vol.19 No.1
적응적 학습은 학습자의 요구에 따라 학습 자료를 적응적으로 제공해주는 것을 의미한다. 본 연구에서는 추천시스템을 사용한 적응적 학습 환경에서 학습자 개개인에 적합한 학습을 추천할 수 있는 방법을 제공한다. 제안하는 추천시스템은 학습자 프로파일과 학습주제사이의 연관성 프로파일을 이용한 협업 필터링을 사용하여 특정 학습자의 학습수준을 고려한 적응적 학습 콘텐츠를 제공하도록 한다. 그 결과 교육현장에서 발생하는 학습자를 고려한 수준별 콘텐츠 제공의 어려움을 해결하여, 학습자의 교육만족도 향상의 결과를 얻을 수 있었다.
스마트 그리드를 위한 NS-3 기반 IEEE 802.15.4 시뮬레이션 시험 연구
한지나 ( Jina Han ),고영배 ( Young-bae Ko ),이상재 ( Sangjae Lee ) 한국정보처리학회 2014 한국정보처리학회 학술대회논문집 Vol.21 No.1
본 논문에서는 ns-3 기반의 IEEE 802.15.4 모의 성능 평가에 대해 기술한다. IT 기술의 발달과 함께 차세대 전력망인 ‘스마트 그리드’ 가 대두되고 있다. 이에 따라 무선 센서들 간의 통신을 위해 IEEE 802.15.4 표준 기술이 채택되고 있다. IEEE 802.15.4 표준에는 beacon-enabled mode 와 non beacon-enabled mode 두 가지 채널 접근 기법이 존재하지만 특정 기법의 용도와 목적에 대해서는 구체적으로 명시되지 않는다. 따라서 본 논문에서는 스마트 그리드 환경에서 IEEE 802.15.4 의 두 채널 접근 기법의 성능을 시험하고 beacon-enabled mode 와 non beacon-enabled mode 간의 성능 분석을 통해 beacon-enabled mode 의 효용성에 대하여 연구한다.
한국적 뮤지컬의 21세기 전개양상: 2000년에서 2004년까지의 초연된 작품을 중심으로
한지수 ( Jee Soo Han ) 세계음악학회 2015 음악과 문화 Vol.33 No.-
This thesis is aimed to examine how the Korean musicals were like during the early 21st century. Observation period is from 2000 to 2004, mainly focusing on the musical works, which are less commercial, performed by the musical productions that had been established before 1990. "Being a Korean musical work" means it uses a Korean traditional theme in it and expresses Korean classical story in Korean dance and music. Turning into the 21st century, using the classical themes expanded as the traditional festive performances were added to the Korean musicals and offered the audience more spectacles. Attempts for new genre included Gamuak (a genre of integrating song, dance and music), musical play, total theatre and Tori Play. Gamuak emphasized the classical dance while a plot of story was weak and the classical play employed the western classical genre actively. Tori Play created Korean-style expressions in musical, reviving Korean rhythms. Total theatre had been attempted to make theatrical level perfect, but resultingly returned to splendid and magnificent musical. The appropriateness that the Korean musical must represent ``something Korean`` discouraged new attempts for artistic perfection and drove Korean musical into mannerism, which led to be one with no musical fun and attraction. As musical dram revived, it provoked controversy about commerciality and low quality, but brought a retro, the audience, and commercial success to the identity of the Koran musical. The Korean musical keeps expanding with Korean themes and musical fun, consoling and sympathizing the contemporary times.
한지만(Han, Ji-Man) 대한건축학회 2016 대한건축학회논문집 Vol.32 No.6
The purpose of this study is to clarify the meaning on architectural history of nine Zen school’s building composition, which established from late Silla to early Goryeo era of 9th century in Korea, through a comparative study with early Chinese Zen Buddhist temple. The building composition in central area of early Chinese Zen Buddhist temples established in early 9th century, was basically not much different from that of the existing temples. Such building composition form of early Chinese Zen Buddhist temples was introduced to the Silla by Zen priest, and influenced on nine Zen school’s building composition which established by them. Therefore the sites of nine Zen school temples remaining in Korea, can be said to have an important meaning in the history of East Asian Buddhism architecture, Since the influence of early Chinese Zen temple is inherent in it.
곡선형 형상적응형 냉각채널을 갖는 금형 코어 제작을 위한 DMT 공정개발
한지수(Ji Su Han),유만준(Man Jun Yu),이민규(Min Gyu Lee),이윤선(Yoon Sun Lee),김우성(Woo-Sung Kim),이호진(Ho Jin Lee),김다혜(Da Hye Kim),성지현(Ji Hyun Sung),차경제(Kyoung Je Cha) 한국기계가공학회 2019 한국기계가공학회지 Vol.18 No.11
The cooling rate and the uniformity of mold temperature, in the injection molding process, possess great influences on the productivity and quality of replications. The conformal cooling channel, which is of a uniform spacing from the mold cavity by the metal additive manufacturing process, receives much attention recently. The purpose of this study is to develop a mold core with a curved conformal cooling channel for a pottery-shaped thick-wall cosmetic container through the hybrid method of direct metal tooling (DMT) process. In this study, we design a mold core that contains the curved cooling channel for the container. A method that divides the cavity is proposed and the DMT process is carried out to form the curved cooling channel. The test mold core, with the curved conformal cooling channel, has been fabricated by the proposed method to confirm the feasibility of the design concept. We show that no leakage is observed for the additive manufactured test mold core, and its physical properties demonstrate that it can be sufficiently used as the injection mold core.
전통 천연염색의 소재와 매염제에 따른 색채 변화에 관한 연구
한지원(Han, JiWeon),문은배(Moon, EunBae) 한국색채학회 2017 한국색채학회 논문집 Vol.31 No.1
The purpose of this study was to examine the changes in colors through natural dyeing process and the methods which could be reproduced by modern materials and techniques. In the first place, we examined the types and methods of natural dyeing currently being used, and defined the methods and scope of the traditional dyeing with Naju Foundation of Natural Dyeing Cultural, a specialized organization, and then applied FITI-certified ISO materials for real dyeing. To derive colors based on more precise experiments and investigation, the dyeing was performed by a qualified natural dyeing research laboratory and 2 researchers as dyeing specialists. For the analytical frame of the results of this study, the color measurement was performed by using X-Rite Color i5 at D65/10 ̊based on L*a*b* coordinates. Munsell data were also collected by using iColor QC, a color program. In this study, the analyses were made based on Munsell coordinates which were more precise and understandable. Based on results of dyeing, more changes in colors were observed, depending on the type of standard campus, than changes in colors, depending on mordant dyeing material. Alum and non-mordant dyeing exhibited difference only in color fastness, and no significant change was observed in saturation and hue. However, iron mordant dyeing was found to show changes, particularly, in brightness even in same dyeing materials. Moreover, reference color was difficult to be determined for a considerable number of materials, depending on dyeing materials and canvas. The results of this study would provide useful basis for research on natural dyeing with higher precision and changing diversity, going beyond study on colors of natural dyeing which have been categorized and communicated vaguely by only the name of dyeing materials.
한지원(Jiwon Han) 한국서양사연구회 2015 서양사연구 Vol.0 No.52
This thesis is to examine the economic awareness of the English landed class in the beginning of the eighteenth century. Roger North(1651-1734)’s Gentleman Accomptant(1714), a double-entry bookkeeping manual for nobilities and gentries, is mainly used to investigate the change in the landlords’ economic mentality. The landed have been described rather consistently, although difference in degree, as had accepted the market philosophy but only limitedly so due to their old genteel value which disdained extensive pursue of profit and involvement in the world of everyday labor. However, North’s Gentleman Accomptant suggests a possible adjustment to this widely accepted description of the English landed class. Its contents and context reveal that pecuniary interest was highly regarded in estate management that even some modification of the landlords’ genteel life style could be positively perceived. Double-entry bookkeeping is recommended although it demands the bookkeeper to spend considerable time and effort daily and interfere with trivial operations of his estate. Then double-entry would become an useful skill for landlords to maximize profit and to cope with the fatal threat of financial fraud. Stock-jobbing is particularly criticized because its innate conditions scrutinized are unfavorable to landlords’ economic interests. With the keen understanding of contemporary economic development, application of double-entry bookkeeping to estate management is an example of the landed class’ learning from commercial world for their own economic advantage. The landlords like such clearly displays developed capitalistic mentality in the age of early capitalism.