• Journal of Korean Library and Information Science Society
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• v.38 no.4
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• pp.299-323
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• 2007

This study investigates both arbitrariness and misrepresentation in the terminology of Korea's LIS field with an example of the term 'information services.' The focus is on analyzing the differences in the Term's history and theoretical base between American LIS field and Korea's. Discussed in details are the popularity and usage of the Term in Korea's LIS field and libraries. The ultimate intention of this study is to motivate the Korea's LIS scholars to endeavor for theoretical accomplishments with regard to 'information services,' which can justify the change of term from 'reference services' to 'information services.'

• Journal of Technology Innovation
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• v.20 no.1
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• pp.75-114
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• 2012

Transition from imitation based catch-up to new value creation based post catch-up innovation system is becoming the main issue for Korea. The notion of post catch-up research highlights the understanding of new patterns of innovation and the interrelationship among innovating agents within systems of innovation. More specifically, it is a context specific framework which accommodates discontinuum of technological innovation from the past and a creation of new organizational arrangement and institutions. Moreover, post catch-up approach follows the tradition of development, institutional and evolutionary theories context. This paper, therefore, explores whose focus is on the possibility of new theoretical development and new research agenda.

• Journal of Digital Convergence
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• v.14 no.11
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• pp.507-512
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• 2016

As the characteristics, attributes, and accepted way of media have been changing with newly emerging media, human recognition and the communication structure have also been changing. Media are not isolated from the others and emerge in the cultural context; With the drive to juxtapose the old and the new to be in diversified forms, the old media are utilized and improved. In this rapidly changing circumstance by the media, we attempt to theoretically explore the concept and characteristics of visual communication and the media related to augmented reality. Augmented reality does not create something out of nothing but renew the expression; Thus, it reforms the structure of communication. Therefore, there is a significance to look into theories of W.Benjamin, M.McLuhan, Norbert Bolz, and Jean Baudrillard who linked the past to the present in accordance with the new era of communication for us to find out the meaning of augmented reality in the current cultural context.

• Journal of the Korean Institute of Traditional Landscape Architecture
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• v.32 no.3
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• pp.58-68
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• 2014

Christian Cay Lorenz Hirschfeld is often regarded as 'a father of landscape garden art.' He was an aesthetics professor and garden theoretician in the $18^{th}$ century. He put forth the most comprehensive garden theory book in five volumes between 1779 and 1785. His book, Theorie der Gartenkunst, was translated and widely circulated in his contemporary. The book, which dealt with diverse aspects of garden art such as history, design, material, and type, urged to promote the prevalence of landscape garden in European continents as well as in Germany. However, there have scarcely been discourses in the Hirschfeld's garden theory. This essay aims to review Hirschfeld's garden thoughts in his book critically and to reinterpret some issues in the contemporary landscape theory and practice. Hirschfeldian theory was the product of $18^{th}$ century German Enlightenment and romanticism. At that time, Nature was regarded as divine realm. There was a German affinity with natural world. The spread of reading culture and the fashion of travel literature were another background of the success of his garden literature. Several issues in Hirschfeld garden theory will discussed here. First, privileging garden art was the most significant contribution in his theory. He emphasized that garden art was the most advanced art form among all art genres. Second, garden art was grounded on the mimesis of nature. The ambiguous relationship between nature and art still existed in garden making. However, garden art can be flourished when utilizing the potency of nature in itself. Third, there was the association between the image and the idea in experiencing the garden. Some garden scenes stimulated the related emotional responses such as cheerful and merry, softly melancholic, romantic, solemn etc. Fourth, the movement was the essential aspect of garden art. Motion and emotion are come together in garden experience. To represent the landscape garden style in suitable way, the sketch or image seems to be preferable than the plans and views. Finally, garden art was composing of not only the physical space but also the spirit of place. He maintained the garden art as hortus moralis should be a social metaphor. Hirschfeldian garden theory has often been criticized as the lack of practical power and the old fashioned idea. However, his theory influenced on formulating the idea of public park in $19^{th}$ century. Moreover, there are still some visionary aspects of his theory such as the reevaluation of garden art, the emphasis of locality and the introduction of Mittelweg idea. Recently, gardening culture are prevalent in various realms of art and life. Hirschfeld's garden theory as humanistic landscape theory can provide us some insights in the contemporary practices.

• Journal of KIISE:Computer Systems and Theory
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• v.33 no.6
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• pp.344-353
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• 2006

In this paper, we present a new algorithm which imitate real pencil strokes. The purpose of research on NPR(Non-Photorealistic Rendering) is simulating automatically manmade artistic expressions such as pen-and-ink illustrations, watercolor paintings, pencil sketches and pastel drawings with computers. Recently, there has been a great deal of research works on NPR. One of them is researching in pencil illustration methods for NPR, and a lot of researchers have investigated into the LIC(Linear Integral Convolution) techniques which would change the initial images into the output images by directional vector field images for generating effects of pencil. However, the LIC techniques can not be applied to real-time drawing tools because they are post processing techniques. This paper presents a real-time pencil strokes algorithm which is based on an observation of how pencils(from 6B to 6H) draw lines. Although this algorithm using some pencil variables and noise generation is simple, it is fast and also can draw real-time pencil strokes similar to real manmade pencil strokes in a GUI drawing tool.

• The Journal of Korean Institute of Communications and Information Sciences
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• v.39B no.3
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• pp.143-150
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• 2014

In this paper, we propose an energy efficient and delay guaranteed node scheduling scheme inspired by biological systems, which have gained considerable attention as a computing and problem solving technique. With the identification of analogies between cellular signaling systems and WSN systems, we formulate a new mathematical model that considers the networking challenges of WSNs. The proposed bio-inspired algorithm determines the state of the sensor node, as required by each application and as determined by the local environmental conditions and the states of the adjacent nodes. A control analysis shows that the proposed bio-inspired scheme guarantees the system stability by controlling the parameters of each node. Simulation results also indicate that the proposed scheme provides significant energy savings, as well as reliable delay guarantees by controlling the states of the sensor nodes.

• Journal of Fashion Business
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• v.28 no.3
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• pp.90-103
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• 2024

The advancement of information and communication technologies has led to the rise of social media, giving rise to a new type of celebrity known as the "social media influencer". Social media influencers exert their influence not only by promoting products for various companies and brands but also by launching their own businesses. In other words, influencers leverage their credibility to create value in multiple markets as human brands, based on their unique characteristics and diverse images. Nowadays, social media influencers have become a type of human brand, supported by followers who enthusiastically engage in the influencers' businesses, a phenomenon also known as social shopping. Based on the human brand theory and doppelgänger effects, this study aims to investigate the impact of influencers' credibility, specifically their expertise, trustworthiness, and attractiveness on consumers' social shopping behaviors. Additionally, it examines the influence of consumers' desire to imitate influencers on their social shopping behaviors. A survey conducted with 300 female social media users revealed that trustworthiness and attractiveness significantly influenced imitation intentions and social shopping behaviors, while expertise did not show significant effects. Furthermore, imitation intentions had a significant impact on social shopping behaviors. These findings suggest that the attributes consumers perceive in influencers as human brands evoke a desire to imitate them, ultimately leading to social shopping behaviors.

• Proceedings of the Korean Operations and Management Science Society Conference
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• 1997.10a
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• pp.145-148
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• 1997

근간 우리 경제의 어려움을 인식하면서 성장한 계이론 즉, 아시아의 기적은 단지 열심히 일한 결과이며 창의적인 기술개발을 통한 경제성장은 아니라는 것에 주목하기 시작했다. 우리나라가 개발도상국에서 선진국으로 진입하기 위해서는 기존의 모방 기술로는 더 이상 국제경쟁력을 유지할 수가 없다. 따라서 정부를 위시해서 대부분의 민간기업이 연구기관을 설립 운영하고 있다. 하지만 연구기관이라는 특수성에도 불구하고 일반 조직을 운영하는 방식을 그대로 유지하고 있다는데 문제가 있다 할 것이다. 우리 연구원의 '일신경영'은 연구원 개개인의 창의력 발휘를 통해 연구개발의 효과를 높이는 데 초점을 맞춘다. 지난 20여 년간 연구개발을 해온 정부출연연구기관인 한국전자통신연구원의 '일신경영'에 대해 살펴봄으로써 연구개발을 수행하는 모든 기관으 운영에 실질적인 도움이 될수 있을 것이다.

• The Transactions of the Korean Institute of Power Electronics
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• v.7 no.4
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• pp.384-394
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• 2002

In this paper, a new control strategy is proposed to improve the quality of the welding products. The conventional nonlinear power control system of spot welders is linearized using nonlinear feedback linearization technique based on differential geometry theory. An evolution strategy(ES) geometry is used to find optimal gain of PI controllers. It tries to find out the optimal control parameters by imitating the natural evolution. Some Simulation and experimental results show that the proposed variable power control system using ES algorithm has better dynamic performances than the conventional one.

• Proceedings of the KSME Conference
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• 2008.11a
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• pp.1521-1526
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• 2008

IPMC(Ionic Polymer-Metal Comosite) exhibits large deformation, having great attention in many application fields. It generates bending moment by ion exchange polymer film. It can be quickly bended by the applied voltage across the plated electrode of the polymer film. In the present paper, we derive the theoretical modeling and dynamic analysis of bending motions of IPMC actuators using the Euler-Bernoulli beam theory. The theoretical model of a cantilever IPMC actuator estimates the moment produced by the applied voltage. The dynamic characteristics, including natural frequencies and frequency response, are calculated by the theoretical model, and they are compared with the experimental results and finite element analysis. It is shown that the mathematical modeling allows precise estimation to the voltage-driven motion of the cantilever IPMC in air.