• 한국벤처창업학회:학술대회논문집
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• 2020.06a
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• pp.141-147
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• 2020

최근 중소기업연구원 연구자료에 의하면 우리나라 중소벤처기업의 혁신 수준은 OECD 최하위 수준이며, 네트워크 기반의 협력체계가 필요하다고 발표하였다. 또한, 최근의 혁신 행동 관련 연구를 살펴보면 내적 혁신 행동에 대한 연구는 많으나, 외부 네트워크 혁신 행동과 연동한 연구는 미진하였다. 따라서 본 연구의 목적은 CEO 변혁적 리더십이 조직 공정성을 기반으로 내적 외적 혁신 행동을 실행함에 있어서 유연적 조직 문화의 조절 효과가 사업성과에 미치는 영향에 대해서 알아보고자 한다. 이론적 고찰을 통해 중소벤처기업 성과모형, CEO 변혁적 리더십, 내적 혁신 행동, 외적 혁신 행동, 조직 공정성, 유연적 조직문화, 사업성과에 대해서 알아보았다. Chrisman 등(1998)의 중소벤처기업 성과모형은 ①기업가(entrepreneur), ②산업구조(industry structure), ③사업전략(business strategy), ④자원(resources), ⑤조직구조(organization structure, processes and systems) 등 5가지를 제시하였다. 본 연구에서는 Chrisman 등(1998)의 벤처기업 성과모형 NVP = f(E, IS, BS, R, OS)을 적용하여 연구 모형을 설계하고 실증 검증하였다. 향후 중소벤처기업 성과모형으로서 직원들의 미래전망과 자부심 향상에 본 연구가 시사점을 제공할 뿐만 아니라 중소벤처기업 경쟁력 강화를 위한 기업 혁신 행동 컨설팅 연구에도 기여할 수 있을 것으로 판단된다.

• Journal of Educational Research in Mathematics
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• v.25 no.2
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• pp.177-188
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• 2015

In this paper, I investigated the historical development process for the product of two vectors in the plane and space, and draw implications for educational guidance to internal and external product of vectors based on it. The results of the historical analysis show that efforts to define the product of the two line segments having different direction in the plane justified the rules of complex algebraic calculations with its length of the product of their lengths and its direction of the sum of their directions. Also, the efforts to define the product of the two line segments having different direction in three dimensional space led to the introduction of quaternion. In addition, It is founded that the inner product and outer product of vectors was derived from the real part and vector part of multiplication of two quaternions. Based on these results, I claimed that we should review the current deployment method of making inner product and outer product as multiplications that are not related to each other, and suggested one approach for connecting the inner and outer product.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.16 no.7
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• pp.4528-4536
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• 2015

The purpose of this study was to investigate the effect of participation motivation on Job Satisfaction of tennis participants. The subjects of this survey data consisted of 340 tennis participants. The result of this study were as follows. First, The motivation of Tennis participants of skill development, social intercourse, enjoyment, external display, health and fitness positively correlation to intrinsic satisfaction. There were negative correlation in amotivation. The motivation of Tennis participants of skill development, social intercourse, enjoyment negatively correlation to extrinsic satisfaction. There were positive correlation in amotivation. On the other hand, in external display, health and fitness there were no correlation. Second, The motivation of Tennis participants of skill development, amotivation, enjoyment, health and fitness influenced to intrinsic satisfaction. Third, the motivation of tennis participants of enjoyment, external display influenced to extrinsic satisfaction.

• Journal of Navigation and Port Research
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• v.28 no.6
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• pp.525-530
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• 2004

Due to the rapid growth of Chinese ports, currently, research for the improvement of competitiveness of Busan port have been intensively studied. These research have mostly evaluated or analyzed competitiveness of ports, and then, based on results of analysis, have suggested some strategies for enhancing competitiveness of Busan port. However. although implications of these previous studies are practically available to build policies for Busan port, basic studies such as identification of port competitiveness( or port selection) related factors for reasonable evaluation and analysis which have contributions in academic area have been very rare. The primary objective of this study is to investigate port selection criteria, based on empirical data Especially, in this study, we classify internal /external factors, and present importances of external factors that have yet to be empirically identified in previous studies.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2004.04a
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• pp.357-362
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• 2004

Due to the rapid growth of Chinese ports, currently, research for the improvement of competitiveness of Busan port have been intensively studied. These research have mostly evaluated or analyzed competitiveness of ports, and then, based on results of analysis, have suggested some strategies for enhancing competitiveness of Busan port. However, although implications of these previous studies are practically available to build policies for Busan port, basic studies such as identification of port competitiveness( or port selection) related factors for reasonable evaluation and analysis which have contributions in academic area have been very rare. The primary objective of this study is to investigate port selection criteria, based on empirical data. Especially, in this study, we classify internal／external factors, and present importances of external factors that have yet to be empirically identified in previous studies.

• Journal of the Korean Data and Information Science Society
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• v.22 no.5
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• pp.877-884
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• 2011

The decision tree is a representative algorithm of data mining and used in many domains such as retail target marketing, fraud detection, data reduction, variable screening, category merging, etc. This method is most useful in classification problems, and to make predictions for a target group after dividing it into several small groups. When we create a model of decision tree with a large number of input variables, we suffer difficulties in exploration and analysis of the model because of complex trees. And we can often find some association exist between input variables by external variables despite of no intrinsic association. In this paper, we study on the removal method of unnecessary input variables using multiple external association rules. And then we apply the removal method to actual data for its efficiencies.

• Journal of The Korean Association For Science Education
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• v.31 no.6
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• pp.876-886
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• 2011

This study was carried out to investigate the difference of gender of academic self-efficacy, external motivation, interest and science achievement for high school students of Korea and to verify the structural relationship among these variables using PISA 2006 data. The major findings of this study are as follows. According to Multi-group analysis, Latent means analysis (LMA), where boys were used as the reference group, girls showed lower latent mean values on the academic self-efficacy, extrinsic motivation and interest. Academic self-efficacy was found to have a greater effect on achievement compared to external motivation and interest. According to structural equation modeling (SEM) analysis, academic self-efficacy and extrinsic motivation affected interest. Academic selfefficacy, external motivation, and interest affected science achievement. Lastly, interest mediated academic selfefficacy and external motivation on science achievement.

• Proceedings of the IEEK Conference
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• 2003.07d
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• pp.1331-1334
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• 2003

본 논문에서는 메쉬 구조 다중컴퓨터 시스템의 성능을 향상시킬 수 있는 새로운 서브메쉬 할당방법을 제안한다. 이 할당방법의 특징은 가용 서브메쉬의 탐색시 간과 외적단편화로 인한 서브메쉬의 할당 지연을 최소화함으로써 태스크의 대기시간을 줄이는 것이다. 이 할당방법은 태스크의 유형과 동일한 유형별 가용 서브메쉬 리스트에서 최적의 서브메쉬를 찾아 할당함으로써 서브메쉬 탐색시간을 줄인다. 또한 외적단편화로 인해 서브메쉬의 할당지연이 발생하면 할당 서브메쉬에서 수행중인 태스크를 다른 가용 서브메쉬에 재배치하고, 프로세서 단편을 통합하여 할당함으로써 서브메쉬의 할당지연을 최소화한다. 시뮬레이션을 통하여 서브메쉬 탐색시간을 줄이는 방법보다 외적 단편화로 인한 서브메쉬의 할당지연을 줄이는 방법이 태스크의 대기시간을 단축하는데 더 효과적임을 보인다.

• Proceedings of the Korea Multimedia Society Conference
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• 1998.04a
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• pp.63-70
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• 1998

인터넷 환경하에 전자상거래 분야는 이미 일부 선진국을 중심으로 성공적으로 도입, 운영되고 있다. 하지만 국내외적으로 전자상거래 분야는 전통적인 방법에 지나치게 편중되어 있어서 산업 발전에 여러 가지 제약을 받고 있는 것도 사실이다. 이러한 문제점을 개선, 보안하기 위해서 사이버 스페이스 상에서 에이전트 구축을 위한 판매 활동개념(미디어 에이전트 뱅크 시스템 : MABS; Media Agent Bank System)을 도입 했는데, 이것이 바로 판매 및 구매 정보시스템인 웹상에 있는 에이전트이다. MABS는 기업의 제조나 판매에서 발생하는 판매 정보를 국내외적으로 홍보하고 판매하여 실시간으로 기업이 판매 정보를 국내외적으로 홍보하고 판매하여 실시간으로 기업이 판매 정보를 즉시 공유하고 커뮤니케이션함으로써 기업의 생산성에 바로 반영되는 새로운 판매 방법론이다. MABS의 개념을 구현하기 위해 미디어 뱅크(주)에 의해서 개발되고 있는 사이버 스페이스상의 에이전트 시스템은 기존의 전자 상거래 개념을 좀 더 개선하고 보완하려는 의도에서 개발된 중소 제조 산업을 위한 에이전트 구축 시스템이며, 이는 모든 산업분야에 응용하여 적용시킬 수 있는 도구로서 인터넷을 보다 활성화 시키는 기능을 갖는다.

• Journal of Labour Economics
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• v.37 no.4
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• pp.59-88
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• 2014

I estimate the non-market effects of implementing five-day workweek controlling for the individual-job fixed effect. I find that the implementation of five-day workweek has improved an individual's subjective health status, increased the frequency of exercises, increased the probability to get education or training other than job training, improved subjective quality of life, increased spending for leisure and cultural activities, and improved an individual's satisfaction with the job and the employer. Much of the effects are due to reduction not of working hours but of working days.