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데이터 편재 하에서 히스토그램 변환 기법에 기초한 효율적인 병렬 결합 알고리즘
박웅규,최황규 江原大學校 産業技術硏究所 1995 産業技術硏究 Vol.15 No.-
본 논문에서는 데이터 분포가 편재된 상황하에서 부하의 불균형과 버켓 오벌플로우 문제를 해결하기 위해 히스토그램 변환 기법을 이용한 데이터 분산 방법과 이를 기초로한 병렬 결합 알고리즘을 제안한다. 제안된 알고리즘의 성능은 시뮬레이션과 하이퍼큐브형 병렬 컴퓨터 상에서 실험적인 방법에 의하여 분석되었다. 그 결과 제안된 알고리즘이 기본의 해쉬 결합 방법보다 우수함을 보인다.
연속 미디어 서비스를 지원하는 멀티미디어 서버의 구성 방법
박웅규 서원대학교 미래창조연구소 2004 과학과 문화 Vol.1 No.1
With advances in computer and communication technology, the on-line multimedia service system is becoming more and more common in various aspects of life, including education, training, entertainment, and publishing. To guarantee the quality of service in the system, it is necessary to play the continues media. such as video or audio, without stopping. However, since the traditional system do not consider the constraint, it is inadequate for a system to support the continuous media service. In this paper, we discuss technical issues for implementing a multimedia server to support efficiently the continuous media service. Firstly, we present an organization methodology of the continuous media server and discuss an application area of the server. Secondly, we present an overall software architecture for the server and discuss the implementation methodology of several software modules in the system. Finally, we present an efficient overall operating algorithm of the server to support the continuous media service.
이선규,이웅희 금오공과대학교 산업기술개발연구원 2001 産業技術開發硏究 Vol.17 No.-
The IS(information systems) organization is a stressful organization. However, there is little theoretical or empirical research on the effects of job stress on IS organization. A major reason is because IS organization and researchers are unaware of the consequences of job stress and unfamiliar with the job stress literature. The purpose of this paper is to propose a theoretical framework of job stress on IS organization. Based on a review of the IS, psychology, and general management literature,12 job stress models are identified. These stress models are analyzed along the two dimensions of focus and theoretical foundation. The analysis shows that most of the job stress models consider stress to be the consequence of the interaction between an environmental stimulus and the idiosyncratic response of the individual. Further analysis of these models suggests that nine key points are critical in developing a theoretical framework of jon stress on IS organization. A mapping of how the existing stress models incorporate the nine key points is also presented. The findings of this paper can provide a theoretical basis for further research on the job stress of IS organization. Finally, an agenda for further research into this issue is presented.
Porter의 산업구조분석모형을 이용한 TFT-LCD 사업매력도 분석
이선규,이웅희,서명지,허연호,홍민정 금오공과대학교 산업기술개발연구원 2001 産業技術開發硏究 Vol.17 No.-
This study examined the key success factors and the degree of industry attractiveness in the TFT-LCD industries. The five competitive force factors include: barriers o entry, industry rivalry, threat of substitutes, supplier power and buyer power. As the result of this study, it was found that the key success factors were customer needs, high screen quality, low price, high performance, convenience and stability concerning with display device. This study provides another link in the chain of understanding of the industry attractiveness and key success factors in the TFT-LCD markets.
최웅환,이문규 경북대학교 사범대학부속 중등교육연구소 2003 중등교육연구 Vol.51 No.2
This study is a fundamental research for gifted education model of verbally gifted students. The purposes of this study are twofold: First purpose is to analyze the present position of gifted education for verbally gifted students in Korean. Second purpose is to provide suggestions related to educatian model developing of verbally gifted students. The results of this study were as follow. First, the concept of verbally gifted students must be included the viewpoint of verbal experience. Second, verbally gifted students are learners who have a relative position in education. Third, the purpose of gifted education and the contents of differentiated curriculum for the verbally gifted were analyzed in order to develop education model for verbally gifted learner. Fourth, education of grammr must be included in gifted education as a verbally principle.
Bacillus sp. CS-17을 이용하여 제조한 청국장의 발효기간에 따른 향기성분 변호
최웅규,이석일,손동화,지원대 한국위생과학회 2002 한국위생과학회지 Vol.8 No.2
전통식으로 담근 청국장과 Bacillus sp. CS-17을 이용하여 제조한 청국장의 향기성분을 비교하였다. 전통식으로 제조한 청국장에서 동정된 향기성분은 hydrocarbone류가 5종, alcohol류가 5종, ester류가 4종, acid류가 3종, aldehyde류가 2종, ketone류가 2종, phenol류가 3종, furan류가 2종, pyrazine류가 4종 등 30종이 확인되었다. Bacillus sp. CS-17을 이용한 청국장에서 동정된 향기성분은 hydrocarbone류가 3종, alcohol류가 2종, aldehyde류가 2종, ketone류가 2종, phenol류가 3종, furan류가 3종, pyrazine류가 5종, pyridine류가 3종, 질소함유화합물로는 2종, thiazole류가 1종, 기타 화합물로 1종 등 모두 27종이 확인되었다. 동정된 성분 중에서 2-hydroxy-6-methylbenzaldehyde, 2-heptanone, 2-furancarboxaldehyde, 2.3-dimethyl-5-ethylpyrazine, 2-picoline, 3-picoline, 5-ethy1-2-picoline, trimethyloxazole, 1,2,6-trimethylpiperidine, 2,4,5-trimethylthiazole 및 chloroform 등의 성분들은 전통식으로 제조한 청국장에서는 확인이 되지 않았으나, Bacillus sp. CS-17을 이용한 청국장에서는 동정되었다. This study was conducted to compare flavor components of chunggugjang fermentated with Bacillus sp. CS-17 to those of traditional chunggugjang. 30 flavor components identified in traditional chunggugjang. 30 flavor components identified in traditional chunggugjang were five hydrocarbones, five alcohols, four esters, three acids, two aldehydes, two ketones, three phenols, two furans and four pyrazines. 27 flavor components identified chunggugjang fermentated with Bacillus sp. CS-17 were three hydrocarbones, two alcohols, two aldehydes, two ketones, three phenols, three furans, five pyrazines, three pyridines, two nitrogen containing compounds, one thiazole and one other compounds. Among the detected components, 2-hydroxy-6-methylbenzaldehyde, 2-heptanone, 2-furancarboxaldehyde, 2,3-dimethyl-5-ethylpyrazine, 2-picoline, 3-picoline, 5-ethy1-2-picoline, trimethyloxazole, 1,2,6-trimethylpiperidine, 2,4,5-trimethylthiazole and chloroform were identified in chunggugjang fermentared with Bacillus sp. CS-17, but not in traditional chunggugjang.
林雄圭 서울大學校 農科大學 1978 서울대농학연구지 Vol.3 No.1
Three sample varieties of Sh, H and C were used for Experiment which treated with ureafoliar application of 3 levels, using split plot design with 3 replication in hop garden of College of Agriculture in Suweon. In the stem of growth, 1 level was highly significant. In the fresh weight and dry weight of 100 hop cone, 1 level was significant. In the production of hop cone per one tree, 1 level was significant. In chemical component of α-acid, Sh ₁increased 6.74%, H ₁increased 5.24%, and C ₁increased 11.37% as compared with control In conclusion, urea-foliar application of hop is 0.5% solution.