• 산업경영시스템학회지
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• 제34권3호
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• pp.49-56
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• 2011

Estimating optimum hardware capacity of an e-learning system is very important process to grasp reasonable size of designing technique architecture and budget during step of ISP(information strategic planning) and development. It hugely influences cost and quality of the whole project. While investment on information system hardware has been continuously increased, there was no certified hardware capacity estimating method in e-learning system development. A guideline for hardware sizing of information systems was established by Telecommunication Technology Association in 2008. However, the guideline is not appropriate for estimating optimum hardware capacity of an e-learning system because it was designed to provide general standards for estimating hardware capacity of various types of projects. The purpose of this paper is to provide a methodology for estimating optimum hardware capacity in e-learning system development. To develop the methodology, this study, first of all, analyzes two e-learning development projects, in which the guideline was applied to estimate optimum hardware capacity. Then, this study finds out several key factors influencing on hardware capacity. Finally, this study suggests a methodology for estimating optimum hardware capacity of an e-learning system, in which weights for the factors are determined through AHP analysis.

• 한국철도학회:학술대회논문집
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• 한국철도학회 1999년도 추계학술대회 논문집
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• pp.407-414
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• 1999

Sand drain as a vertical drainage is widely used in soft ground improvement. Recently, sand, the principal source of sand drain, is running out. A laboratory model test was carried out to utilize gravel as a substitute for sand. Though which the characteristics of gravel are compared to those of sand for engineering purpose. According to the test, the settlement was found to be smaller in gravel drain than in sand drain. The increase in bearing capacity by gravel rile explains the result. The clogging effect was not found in gravel column. As a result, it is assumed that gravel is relatively acceptable as a drainage material. Gravel material seems better than sand material in bearing capacity and it is found that bearing capacity is larger when gravel is used as compaction pile than as drain from in-situ test on bearing capacity. Increase of bearing capacity with gravel pile means an effect of composite ground by stiffness of gravel material. It can lie supposed to use gravel pile instead of sand pile in view of consolidation effect and bearing capacity.

• 한국지반공학회:학술대회논문집
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• 한국지반공학회 2008년도 춘계 학술발표회 초청강연 및 논문집
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• pp.293-299
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• 2008

If a conventional type of Plastic Board Drain (PBD) is installed to the deep clay deposit, it is subjected to a high lateral earth pressure. a flow channel of PBD may be reduced by the collapse of cores and clogged by the intrusion of filter into the space between cores which are made by lateral pressure. It could decrease the ability of initial discharge capacity and the reliability of long term discharge capacity. A cylindrical plastic board drain (C-PBD) considered in this study consists of cylindrical core and several supports so that it can prevent the reduction of area of flow channel from the higher lateral earth pressure effectively. The discharge capacity of C-PBD was compared to that of a conventional PBD through performing experiments using the composite discharge capacity apparatus which can consider in-situ condition such as penetration of drains, ground settlement and discharge capacity. As a result, C-PBD showed much better performance than PBD in the ability of discharge. It was observed that the C-PBD was folded whereas the conventional PBD was folded after the experiment.

• 한국산학기술학회논문지
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• 제21권9호
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• pp.73-81
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• 2020

본 연구는 통합역량 IT 지원이 조직성과에 미치는 영향에 대해서 조직의 절제와 흡수역량이 매개했을 때의 영향에 대해서 실증 분석하였다. 본 연구에 대한 실증 분석을 위해 사기업과 공기업 종사자를 대상으로 총 126명의 설문을 바탕으로 Smart PLS 3.0으로 연구 모형을 검증하였다. 통계 분석결과 첫째, 통합역량 IT 지원은 조직절제의 하위 요인인 조정과 적응력에 모두 정(+)의 영향을 미쳤으며, 흡수역량에도 정(+)의 영향을 주었다. 둘째, 조직의 절제는 흡수역량에 정(+)의 영향을 미치는 것을 확인하였다. 셋째, 통합역량 IT 지원과 흡수역량의 관계에서 조직의 절제를 매개로 했을 때 정(+)의 영향을 미쳤다. 넷째, 흡수역량은 재무성과와 비재무성과에 정(+)의 영향을 미쳤다. 본 연구의 시사점은 IT 기술과 조직성과 관계에서 조직 윤리 차원의 요인으로 확장하여 상관관계를 검증함으로써 기존 연구들과 차별성을 두고 있다. 또한 흡수역량의 선행 요인으로써 조직의 윤리적 요인도 선행 요인으로서 작용함을 규명함에 따라 연구의 의의가 있다. 통합역량 IT 지원은 경영자에게 균형 있고 안정감 있는 의사결정에 도움을 주며, 이는 구성원들에게 조직에 대한 긍정적인 인식을 주어 흡수역량 향상에 기여할 수 있으며, 궁극적으로 조직성과에 긍정적인 영향 미친다. 흡수역량이 필수적인 조직의 성과 향상을 위해서는 적절한 IT 인프라 구축과 조직의 미덕 함양의 중요함을 시사한다.

• 지식경영연구
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• 제12권1호
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• pp.91-110
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• 2011

The purpose of this study is to identify the impact of IT group efficacy of small business using B2B e-commerce on organizational performance. First, we conceptualized IT group efficacy, based on theories in regard to group efficacy, absorptive capacity, and electronic information sharing. And then we examine that IT group efficacy of small business setting up IS and performing B2B e-commerce increases absorptive capacity and electronic information sharing, and ultimately improves organizational performance. The result is that IT group efficacy has a significant positive effect on absorptive capacity, but doesn't have a significant positive effect on electronic information sharing. Also absorptive capacity has a significant positive effect on electronic information sharing and organizational performance, and electronic information sharing has a significant positive effect on organizational performance. Finally, we discuss about the limits and directions as well as the results and implications of this study.

• 시큐리티연구
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• 제8호
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• pp.65-83
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• 2004

In modern society, the enterprises or the public organization have devised consistent means and methods with keen competition in high intelligence, high specialization and high competition for surviving in the struggle for existence. In the rapidly changing modern society like that, guard services are not free any more in the simple business. It will be survived only with consistent self-development and various abilities. Recently, it is on a trend that the enterprise including venture business requires the man of ability having many-sided thought, knowledge and capacity. That is, the era of a man with multi-function has come. The guards engaged in their present posts have to make efforts self-development consistently. And they have to work for self-development with theoretical knowledge acquirement about the expert knowledge escaping from simple function and business. The constitution including universities that train the guard should not adjust to the demand of quantitative manpower required in the enterprise organization with the training of the guard with simple functions only. It needs settlement as a curriculum with technology like ideology and knowledge breaking from short curriculum centered on function only in order to come to stay the recognition about guard services as expert services that the industrial society requires. The education centered on simple function should be replaced in the use of a high school, private academy and special guard institution. In addition, it requires a quality as the auxiliary, division, decision-making and spokesman according to the business role. Also, it requires the martial arts capacity, the communicative capacity, the sports or reports capacity, the guard driving capacity, the policy and assistant capacity and the information and analysis capacity, etc in individual. Lastly, it need each guard's change of cognition most of all. As part of the guard's adaptive plan according to the social change, it was enumerated like the mentioned above. It is important for the guard to prepare for the change of era and to build up quality and capacity before anything else.

• 대한전기학회논문지
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• 제35권7호
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• pp.285-295
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• 1986

This study is to investigate the stability of expanded new generator plant depending on the capacity of existing system. We examined the transmitting power limit to the existing system as its capacity increase for the various system configuration with fixed location of plants and substations. The results show that the stability has decreasing tendency when the existing source capacity increase. Thus it can be concluded that new generator has little stability problem when it connected to small system, whereas large existing system capacity gives remarkable difficulty in adopting new generator.

• 한국철도학회논문집
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• 제3권4호
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• pp.213-218
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• 2000

Waste landfill is so loose that it may cause the insufficient bearing capacity and the differential settlement. And so, characteristics and conditions of the ground should be considered in applications of ground improvement in waste landfill. In this paper, analysis of field tests as the static loading test and the bearing capacity test were performed. In result, PG(Pack Grouting) pile method is proved effective and economic, because it could bring about the increase of end bearing capacity, the prevention of differential settlement and increase of density by expansion of pile.

• 융합정보논문지
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• 제11권8호
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• pp.73-83
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• 2021

과거에 비해 기술의 급속한 발전으로 인해 기업들은 혁신을 하지 않으면 치열한 경쟁환경하에서 살아남기가 어려워지고 있다. 기업이 혁신활동을 전개하기 위해서는 새로운 지식을 찾고 이를 소화하고 자신만의 기술역량을 확보하는 것이 매우 중요하다. 이에 본 연구에서는 탐험활동과 활용활동, 기술혁신역량, 혁신성과(기술성과, 제품성과), 흡수역량, 혁신강도간의 인과관계를 파악하였다. 분석결과, 탐험 및 활용 활동은 기술혁신역량에 영향을 미치는 것으로 나타났으며, 기술혁신역량, 흡수역량, 혁신강도는 혁신성과에 영향을 미치는 것으로 나타났다. 또한 흡수역량과 혁신강도는 기술혁신역량과 혁신성과간에 매개역할을 수행하는 것으로 나타났다. 본 연구의 결과는 기업에서 혁신활동을 기획하거나 수행시에 유용한 가이드라인으로 활용이 가능할 것으로 보인다.

• Journal of Information Technology Applications and Management
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• 제20권1호
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• pp.173-195
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• 2013

This study is to analyze the impact of the absorptive capacity and information technology (IT) on firms' innovation. The absorptive capacity is measured by R&D investment intensity, R&D manpower concentration, and the firm's size. We try to see the interaction effects between the absorptive capacity and IT usage on firms' innovation. We also look into the differences of the impacts between manufacturing industry and service industry as well as IT industry and service industry. We found that IT and R&D intensity have stronger interaction effect on innovation in manufacturing industry than in service industry, which shows that IT plays a more important role in the accumulation of knowledge in R&D activity in manufacturing industry. Contrarily, in service industry, IT and R&D manpower concentration has significant interaction effects on innovation. This means that the role of IT in service industry is sharing knowledge and experiences among employees in service industry. The interaction effect between firm's size and IT has positive impact on innovation in manufacturing industry, while it has negative impact on innovation in service industry. Finally, we found that the interaction effect is statistically significant in non-IT industry, while it is not statistically significant in IT industry.