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이건찬,강인원 한국지식경영학회 2010 지식경영연구 Vol.11 No.5
As the volume of South Korean trading increased, the pressure from the international community on South Korea to perform export control system for strategic items (ECS) increased as well. However, the South Korean government has been giving a tepid response toward the ECS, due to lack of the knowledge on psychological reactance of firms. This paper investigates the structural relationships between environmental factors and the attitude toward the ECS, and the adoption of the ECS. The author discuss the implications of the findings in this article which are useful for the government to find strategic policy direction.
A Causal Knowledge-Driven Inference Engine for Expert System
이건찬,김현수,Lee, Kun-Chang,Kim, Hyun-Soo Korean Institute of Intelligent Systems 1998 한국지능시스템학회논문지 Vol.8 No.6
Although many methods of knowledge acquisition has been developed in the exper systems field, such a need form causal knowledge acquisition hs not been stressed relatively. In this respect, this paper is aimed at suggesting a causal knowledge acquisition process, and then investigate the causal knowledge-based inference process. A vehicle for causal knowledge acquisition is FCM (Fuzzy Cognitive Map), a fuzzy signed digraph with causal relationships between concept variables found in a specific application domain. Although FCM has a plenty of generic properties for causal knowledge acquisition, it needs some theoretical improvement for acquiring a more refined causal knowledge. In this sense, we refine fuzzy implications of FCM by proposing fuzzy causal relationship and fuzzy partially causal relationship. To test the validity of our proposed approach, we prototyped a causal knowledge-driven inference engine named CAKES and then experimented with some illustrative examples.
이건찬(Kun Chan Lee),안경모(Kyung Mo Ahn) 한국호텔관광학회 2002 호텔관광연구 Vol.4 No.1
As the globalism and liberalization trend spread throughout the wold, the convention industry has been recognized as a new high value-added business. In order to foster the convention industry as a national strategic industry, we are making marketing efforts to establish, expand and maintain convention-related facilities. Therefore, this research will cover the followings: First, through examination of theoretical basis on conventional operation, terminate anticipated threats during the convention period, Second, through analyzing investigation and survey reports related to safety measures in conventions hosted in Korea, examine the practicality and applicability of those examples to present safety measures contemplated, and Third, based on the analysis above, contribute to the successful hosting of conventions by discussing methods to guarantee individuals and facilities from anticipated threats during the convention period in four categories of (1) security activities, (2) VIP escorts, (3) prevention of cyber terrorism and (4) counter-measures against emergencies.
SiO<sub>2</sub> 나노 콜로이달 첨가량에 따른 Si<sub>3</sub>N<sub>4</sub>의 고온강도 특성
남기우,이건찬,Nam, Ki-Woo,Lee, Kun-Chan 대한기계학회 2009 大韓機械學會論文集A Vol.33 No.11
This study analyzed the characterization of high temperature strength of $Si_3N_4$ composite ceramics additive based on variations in the amount of nano colloidal $SiO_2$ added. Semi-elliptical cracks about 100 ${\mu}m$ length were obtained from a Vickers indenter using a load of 24.5 N. The results showed that the heat-treated smooth specimens with $SiO_2$ nano colloidal coating exhibited the highest bending strength at 0.0 wt% $SiO_2$ nano colloidal added, which is amounted to a 187 % increase over that of smooth specimen. Limiting temperature for bending strength of crack-healed zone for bending strength was about 1273 K. However, the bending strength of SSTS-3 and SSTS-4 was considerably increased while that of SSTS-1 and SSTS-2 was decreased at a temperature of 1,573K.