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ATM 망에서 효율적인 IP 멀티캐스트를 위한 MARS 프로토콜의 확장
금정현(Junghyun Kum),정광수(Kwangsue Chung),장종수(Jongsoo Jang),정유현(Youhyeon Jeong) 한국정보과학회 1998 한국정보과학회 학술발표논문집 Vol.25 No.2Ⅲ
본 논문에서는 ATM 망에서 IP 멀티캐스트를 지원하기 위한 방법을 소개하고, 이를 바탕으로 좀더 효율적으로 IP 멀티캐스트를 지원하기 위한 방법을 제안하였다. Intra-cluster 멀티캐스트에 기반을 둔 MARS 모델은 IP 멀티캐스트를 효율적으로 지원하지 못하며, 전체 망을 하나의 서버로 관리하는 EARTH 모델은 모든 처리가 서버로 집중되어 확장성 및 관리에 어려움이 있다. 본 논문은 효율적인 데이터 전용이 가능하면서 동시에 확장이 용이하도록 MARS프로토콜을 확장하였다.
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金廷炫,金商雲 명지대학교 산업기술연구소 2005 産業技術硏究所論文集 Vol.24 No.-
This paper proposes a content based image retrieval system using a segmentation technique, where we employ the Watershed Segmentation and Horizontal/Vertical Projection Profile schemes to extract shape features. The proposed method has been tested and compared with a conventional retrieval method on both "animal pictures" and "character" image sets. Our experimental results demonstrate that the proposed mechanism retrieve the query image efficiently. The results especially demonstrate that the proposed method can be used to efficiently retrive animal objects from an image database.
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금정현,정광수 한국통신학회 1999 韓國通信學會論文誌 Vol.24 No.6
본 논문에서는 IP 멀티캐스트를 ATM 망에서 보다 효율적으로 제공하는 새로운 방법으로 MSS(Multicast Synchronization Server) 모델을 제안하였으며, ATM 망에서 이질적인 QoS(Quality of Service)를 요구하는 다양한 수신자들을 수용하는 방법으로 QCS(QoS Conversion Server) 모델을 제안하였다. MSS 모델은 ATM 망에 존재하는 모든 호스트사이에 직접 VC(Virtual Circuit)를 연결하여 고속으로 데이터를 전송하며, 기존 방식과 비교하여 필요한 VC의 수를 줄임으로써 확장이 용이하도록 하였다. QCS 모델은 하나의 점 대 다중점 VC를 통하여 두 가지 서비스를 제공하도록 ATM 스위치를 확장하여 망 지원을 절약하였으며, QoS 변환을 전담하는 서버를 사용하여 보다 효율적으로 이질적인 수신자들을 수용하였다. 본 논문에서 제안한 MSS 모델과 QCS 모델은 기존 방식이 갖는 효율성 및 확장성 문제를 해결하였으며, 필요한 VC를 비교하여 증명하였다. In this paper, we propose MSS(Multicast Synchronization Server) and QCS(QoS Conversion Server) models that can support IP multicast and QoS(Quality of Service) over the ATM network more efficiently. In the MSS model, it is possible to establish shortcut VCs(Virtual Circuits) among all hosts in the ATM network and to transfer multicast data at high speed. Also the MSS model is more scalable, because the number of inter-cluster VCs needed in the MSS model is less than that of EARTH. In the QCS model, ATM switch is modified to support one QoS service and best effort service through the one point-to-multipoint VC at the same time so required network resources are reduced, and dedicated server is used for QoS conversion to accept heterogeneous receivers more efficiently. In this Paper, the proposed MSS model and QCS model have solved both efficiency problem and scalability problem. It is proved through the comparison of the VCs required in each model.
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金正賢(Kim Jung-Hyun) 역사교육연구회 2012 역사교육 Vol.122 No.-
This article is to clarify the historical meaning of 5 official titles that suffixed with '率' and Jwa-pyeong by looking at the attribute, history of foundation and form of running. '率' is a Chinese character used for a Korean native tongue, 'tori[tVrV]' that meams 'a man of a public duty'. Tori is a name that is originated from Korean ancient community, and at the stage of nation, it became a official title that means 'public(公)', 'servant of king(臣)'. This is became official title that means to serve to the power of nation and a king, and used as 'Tae-ro(對盧)' in Koguryo, 'Turu(等)' in Shilla, and 'Tori(率)' in Baekje. In case of Baekje, the leading power of foundation seem migrants from northern district, and the first place of foundation was where previously occupied by Gojosun(古朝鮮)-Chin(辰)-Han(韓). For this reason, Baekje could re-establish a state in a relatively early stage by inheriting the historical experiences of them. In terms of 'official title', this tendency is showm when considering that Jwa-pyeong is acceding the tradition of northern '輔', 'the premier(相)' and 'Tori(率)'-group official title is acceding the tradition of Shin-chi(臣智) in Chin(辰)-Han(韓). Jwa-pyeong and 'Tori(率)'-group official title has same origin in terms that they are organized from previous chief(a king of their territory) who has relationship with Central king of Gojosun(-Chin). Finally, the group of people that have 'Tori(率)'-group official title replaced Jwa-pyeong in managing national matters. However, both of them can be understood in the same manner in terms that they were consolidated under a structure of a nation by deserting their previous character of chiefdom. This also means the class of people that were under their control were consolidated in to the structure of a nation governed by a king. For this reason, Go-i King(古尒王) dynasty when 'Tori(率)'-group official title was established can be understood as a time of turning point of Baekje
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金政炫,崔在益 경희대학교 부설 식량자원개발연구소 1987 硏究論文集 Vol.8 No.-
Gaseous effluent emitted from the excrements of domestic animals were qualitatively analyzed by gas chromatography using PEG colume. The major organic compounds emitted from the excrement of the chicken were identified to be methyl ethyl ketone, secondary butylalcohol, ethyl isobutanoate, and otehrs. In the pig excrements, however, propionic acid, isobutyric acid, paracresol, and others were detected. The composition of the emitted gas was, changed depending upon the sampling time. Malodors from the excrements of the domestic animals were studied. Deodorization of ammonia which affects to odor strength could be obtained by means of the chemical oxidation utilizing KMnO_(4), H_(2)O_(2), NaOCl and H, O_(2) -NaOCl.
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김기림 초기(初期) 텍스트에 나타난 ‘정치성(政治性)’과 ‘미학성(美學性)’의 교차양상 연구(硏究)
김정현(金政炫) ( Kim Jung-hyun ) 한국어문교육연구회 2019 어문연구(語文硏究) Vol.47 No.3
본고는 김기림의 초기 비평과 희곡의 문제를 고찰했다. 김기림 초기 텍스트에 등장하는 정치성의 층위는 그 자신이 주창했던 ‘朝鮮文學’의 개념과 연결되어 있다는 점에서 문제적이다. 그가 제시했던 ‘조선문학’의 개념은 지식인적 감각, 즉 당대의 현실을 정확하게 진단하고 그 대안을 제기하고자 하는 측면으로 파악될 필요가 있다. 김기림이 초기 비평과 희곡 작품을 통해 제시하려는 것은 세계대공황이라는 當代의 파국적 현실과 어둠을 극복할 수 있는 새로운 ‘주체’를 呼名하는 것에 그 목적이 있다. 김기림의 희곡 텍스트는 당대 현실을 피상적으로 반영한 관념적 습작 이상의 의미가 부여되지 않았다. 그러나 중요한 것은 관념성의 원천과 이유이며, 이를 분석하고 의미화하는 것이다. 본고의 접근은 김기림이 제시하는 ‘民衆’의 개념을 단순히 현실정치적인 맥락에서만 읽어내는 것이 아니라, 그가 당대의 파국적 현실을 대응하고 극복하는 ‘주체’를 알레고리적으로 제시한다는 점을 명확하게 하기 위함이었다. This article examined the problems of Kim Ki-lim's early criticism and drama. The problem of politics in Kim Ki-lim's early texts, as he advocated, is linked to the concept of 'Korean literature'. The concept of Chosun literature, which he proposed, is to accurately diagnose the intellectual sense, that is, the reality of the time, and propose an alternative. Kim Ki-lim's initial criticism and drama work suggests is to call for a new “subject” that can overcome the catastrophic reality and darkness of the contemporary world depression. Kim Ki-rim's play texts are not given more meaning than idealistic writings that superficially reflect the reality of the time. But what matters is the source and reason of the idea, and it is analyzed and meaningful. This approach does not read Kim Ki-lim's concept of 'people' in the real political context. It was to clarify that he is allegorically presenting the 'subject' that actually copes with and overcomes the catastrophic reality of the time.
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