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조동영 전주대학교 공학기술종합연구소 2002 전주대학교 공학기술종합연구소 학술논문집 Vol.8 No.1
As increasing demands for sharing of information and resources through unstable communication channels in computer network, it is important to examine who has sent the information and to make information secure against unexpected exposures, unauthorized modification or unlawful inflow from intruders. In this paper, we survey the safety analysis method for key distribution protocol, and proposed the improved safety analysis method for key distribution protocol using acceptance condition of messages, and analyze the safety analysis of key distribution protocol by our method.
조동영,이천기 전주대학교 공학기술종합연구소 2003 전주대학교 공학기술종합연구소 학술논문집 Vol.9 No.1
Existing web-based education systems have been used with a secondary tool for learning a regular curriculum in school. Inspite of many banifits as unrestrictions of time and space, they are still not proper to use as an component of regular curriculum during lecture. In this paper, we design and implement the web-based science education system for a middle school. Our system can be used by teachers in the classroom-lecture as well as by each student in their homes.
OODBS의 효율적인 질의처리를 위한 인덱싱 기법 연구
조동영 전주대학교 공학연구소 1997 전주대학교 공학기술종합연구소 학술논문집 Vol.3 No.3
The performance of an indexing scheme in the object-oriented database systems depends on type of the query. Therefore, depending on types of queries, suitable indexing techniques must be developed. In OODBs, queries are classfied as four types: single class query, class hierarchy query, nested object query and complex object query. For single class queries, conventional indexing techniques of RDBS can be used effectively. For nested object queries, many index techniques such as nested index, path index, multiindex, etc., have been developed. For class hierarchy queries, the class-hierarchy index is used. But for complex object queries, there is no existing suitable index techniques and the combination of single class index and class-hierarchy index has been used. In this paper, we review the existing index techniques for OODBS and present a generalized index for complex object hierarchy.
조동영 전주대학교 공학기술종합연구소 1998 전주대학교 공학기술종합연구소 학술논문집 Vol.4 No.2
CORBA, that is one of distributed object techniques, is useful for integrating of client-server systems in distributed computing environment. And Object-oriented data model with rich semantics is useful for integrating of data in heterogeneous distributed databases. Therefore, combination of two techniques can be useful for integrating of heterogeneous distributed DB systems. In this paper, we survey and describe integration strategies of heterogeneous distributed database systems using these techniques.
정기신검을 통해 나타난 한국인에 있어서의 혈청 콜레스테롤에 대한 연구 : - 중소도시 및 대도시 거주 직장인을 대상으로 -
조동영 건국대학교 의과학연구소 1992 건국의과학학술지 Vol.2 No.-
High serum cholesterol level is well known to be related to many atherosclerotic diseases. Serum cholesterol level is controlled by exogenous food intake and intrinsic endogenous turn over in the liver. Another factors-race, sex, age, stress, physical actkvity, smoking and hormones-are related to the serum level of cholesterol. Past decade many trials were attempted to know the normal values and reference values of serum cholesterol level in Korean. But it was not so fulfilled to define the relationships between cholesterol and affecting factors exactly. The author selected the 3,305 persons who had been taken annual routine health examination from two cities which is quite different from each other. And the author studied the mean value of serum cholesterol level and relationships between BMI(Body Mass Index), age, sex, blood glucose level and serum cholesterol level. The results were as follows. 1. The mean values of serum cholesterol level were 204.03㎎/dL(total), 207.12㎎/dL(in man), 194.33㎎/dL(in woman). 2. Age and BMI had correlation with serum cholesterol level. But sex, blood glucose level and occupation had few correlation, 3. There were no statistical significances between 50th and 60th decade in man. Also 20th to 30th and 40th to 60th decade in woman. 4. Food intake, smoking and alcohol drinking will have to be considered in studying serum cholesterol level.
조동영 한국한문학회 2007 韓國漢文學硏究 Vol.0 No.40
본고는 弘齋全書에 수록된 弘齋의 詩작품을 토대로 하여 그의 詩세계를 고찰한 논문이다. 본고에서는 홍재가 18세기 후반의 한 시대를 통치했던 帝王으로서 당대의 文風을 주도했을 뿐만 아니라, 임금이 아닌 학자로 그 누구와 견주더라도 손색이 없을 만큼 방대한 文集을 남겼으며 學德을 지녔음에 주목하였다. 또한 그의 내면세계를 엿볼 수 있는 작품연구가 아직 본격적으로 이루어지지 않았다는 점을 문제로 인식하는 데에서 이 연구가 시도되었다.본고에서는 우선 홍재가 詩를 인식하고 있는 詩觀은 어떤 것인가를 먼저 살펴보고, 그리고 홍재전서에 수록되어 있는 343題 430餘 首에 달하는 이 시작품을 토대로 하여 동궁시기와 재위기간의 시기별로 구분하여 살펴보았다. 그 결과 帝王의 雄渾한 氣象이 내재되어 있음을 인식할 수 있었으며, 宏博한 學識이 충만함을 엿볼 수 있었다.따라서 이 연구는, 한 시대의 政治와 文風을 주도했던 홍재의 시작품에 대하여 다소간의 이해를 하게 되었다는 점과 그의 작품세계에 대한 본격적인 연구의 한 단초를 마련하게 되었다는 점에 있어서 일정한 의의를 갖는다. A Study on The Poetic World of Hong-jae