• Journal of the Korean Operations Research and Management Science Society
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• v.29 no.2
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• pp.1-18
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• 2004

Due to the change to the digital environments, the offer of services on the on-tine differs from one on the on-line. This paper Identifies what functions internet business organizations should fulfill to provide on-line services of good qualify and analyzes whether these functions lead effectively to the expected performance of Internet business firms. The components of service orientation in the Internet business organizations appear to be the servant leadership, customer treatment from the Internet service encounter, Internet service failure prevention and recovery, Internet service standards communication, Internet service training, and internet service rewards. Therefore, these determinants should be incorporated in the practices, Procedures, end routines of Internet business organizations in order to create and provide excellent Internet services. Furthermore, it is demonstrated that Internet service orientation has a significant effect on satisfaction by employees and customers, the value and quality of Internet service, and the firm's performance. This implies that the service orientation is an Important factor In the on-line service organizations and that the internet business can be successful when the service orientation is diffused throughout the firm's organizations. It is also shown that the important factors, which connect Internet service orientation and its performance, are the service quality, value of Internet service and customer satisfaction. That is, the service orientation can ultimately lead to the corporate performance when customers are satisfied after confirming the value and quality of Internet service by visiting the web site.

• The Journal of the Korea Contents Association
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• v.13 no.4
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• pp.208-217
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• 2013

This study examined effects of smart-phone addiction on the youth's sociality development empirically by questionnaire survey. To conduct this study, 339 high school students participated in the survey. The major findings of the study were as follows; Smart-phone addiction had a significant influence on sociality development in negative way. Specifically, sub-domain of smart-phone addiction(disturbance of adaptive, virtual life orientation, tolerance) affect on sociality development in negative. Interesting, Smart-phone using time affect on sociality development in positive. The implications of these results for research, practice and future directions were also discussed.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 2003.05a
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• pp.168-173
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• 2003

This experimental study describes the propagation characteristics of the impulse noise emitted from the exit of a perforated pipe attached to the open end of a simple shock tube. The pressure amplitudes and directivities of the impulse wave propagating from the exit of perforated pipe with several different configurations are measured and analyzed fur the range of the incident shock wave Mach number between 1.02 and 1.2. In the experiments, the impulse waves are visualized by a Schlieren optical system for the purpose of investigating their propagation pattern. The results obtained show that for the near sound field the impulse noise strongly propagates toward to the pipe axis, but for the far sound field the impulse noise uniformly propagates toward to the all directions, indicating that the directivity pattern is almost same regardless of the pipe type. Moreover, it is shown that for the far sound field the perforated pipe has little performance to suppress the impulse noise.

• Journal of Korean Society of Industrial and Systems Engineering
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• v.37 no.4
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• pp.245-250
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• 2014

The purpose of this study is to introduce a empirical study of using Taguchi Method for the Entrepreneurial Orientation and Financial Performance. In this study, three factors of Entrepreneurial Orientation, innovation, pro-activity and risk taking, are used of the control factors and an element, period of establishment, is chosen as a noise factor. In order to carry out this research, we obtained 200 survey sheets and performed the reliability and validity analysis of the questionnaires and then the experiment was conducted by Taguchi's experimental design. To improve Financial Performance under the noise factor of period of establishment, optimal condition are as follows; the two factors of Entrepreneurial Orientation, innovation, pro-activity should be maintained to a high level. Also, other factor, risk taking should be performed as the level that the company has maintained. Through this paper, we find out that Taguchi method is applicable for analysis of questionnaire.

• Journal of Korean Society of Industrial and Systems Engineering
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• v.37 no.4
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• pp.251-258
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• 2014

The purpose of this study is to present that the entrepreneurial orientation affects to management performance in the small manufacturer. In order to carry out this research, we obtained 171 survey sheets and inspected seven assumptions based on the reliability, validity of the questionnaires. The results of regression analysis are summarized as follows; First, the factor of entrepreneurial orientation, innovative-ness, influences on the technical innovation performance and financial performance significantly. Second, the element of entrepreneurial orientation, proactive-ness, has an important effect on the technical innovation performance and financial performance. Finally, the requisite of entrepreneurial orientation, risk taking, affects to the technical innovation performance significantly, but not the financial performance. Based on the results, the companies that achieve the technical innovation and financial performance have an atmosphere to encourage to perform the research and development works and find out innovative ideas and improvement points in processes. However, the entrepreneur is required to take careful judgement for determining the uncertain circumstance.

• Proceedings of the Safety Management and Science Conference
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• 2011.11a
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• pp.727-745
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• 2011

Courier and logistics services such as customer contact employees (customer-contact employee) of the attitudes and behavior of the customer satisfaction level of service quality evaluation and a very big impact. In this study, using a typical customer contact employees, and to target the delivery service industry employees the organization's service orientation and customer orientation by examining the impact on the quality of companies within the organization for growth and development needs and the importance of service orientation will be trying out for. The results of this study can be summarized as follows. First, the chief executive of the organization to configure a service orientation and a detailed understanding of the factors that determine this by managing the organization to effectively come up with a way to make and ultimately the organization's service orientation, organizational culture can be positioned as effort should be taken. Second, service companies through regular training and education to maintain a certain level of service quality should be. Third, the service organization's service orientation is not a fad or a means of sustain and develop the company's survival strategy is to get out. To do this, good communication between the field and management can be achieved by a variety of channels to be established, and management's willingness to provoke sympathy for the employees should be provided.

• Proceedings of the KSR Conference
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• 2004.10a
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• pp.1508-1513
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• 2004

Examining the market orientation and learning orientaiton and these relationship with business performance has received considerable interest in the last decade. Despite these interest, our understanding of the structure of both market orientation and learning orientaion and the mechanism of those effect on business performance is apparently limited in figuring out the railroad industry in Korea. The purpose of this research was to conceptualize and measure the organizational culture dimension from the integrative framework of market orientation and learning orientation, and to analyze its relationship with business performance in the railroad industry. The findings from this research are such as follows; market orientation is a set of three interrelated components, i.e., customer orientation, competitor orientation, and inter-functional coordination. This finding is similar to that of Narver and Slater(1990; 1994) who conceptualized market-oriented culture as a combined set of those 3 components. Learning-oriented culture also has a significant positive effect on business performance. The research findings suggest that both market orientation and learning orientation do exist as different organizational culture dimensions to acquire the sustainable competitive advantage in the railroad industry.

• Journal of the Institute of Electronics Engineers of Korea TC
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• v.46 no.10
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• pp.63-71
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• 2009

The patch antennas with an array of pins with excellent radiation characteristics are investigated for several substrate thicknesses. The patch length of a pin array patch antenna for the maximum suppression of radiation in the horizontal plane decreases as the substrate thickness increases. The radiation in the horizontal plane of a pin array patch antenna is very small compared to that of a conventional patch antenna. The increase of forward radiation and the decrease of backward radiation of a pin array patch are obtained compared to those of a conventional patch antenna. The half-power beamwidth of E-plane radiation pattern of a pin array patch antenna is narrow compared to that of a conventional patch antenna so that the directivity is improved.

• Journal of the Korea Convergence Society
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• v.9 no.2
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• pp.157-164
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• 2018

In this study, we will examine that the social class is reproduced by the school curriculum from the viewpoint of cultural reproduction theory by Pierre Bourdieu. Specially, we will examine the sociality of the curriculum, the social control of cultural capital, and how these make class reproduction possible. In this study, social class is reproduced by the ideological orientation of curriculum. This means that the school curriculum has social character and is closely related to the cultural capital of the ruling class.

• The Journal of Korean Institute of Electromagnetic Engineering and Science
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• v.24 no.9
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• pp.908-914
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• 2013

A shaped Cassegrain antenna is designed from the condition of the same path length at the equi-phase surface by using the conservation of energy and Snell's law. In order to improve the phase error efficiency of aperture surface, the surface profile of the main and sub-reflectors is found to satisfy the power distribution and the equi-phase condition at the aperture surface. The sidelobe levels of 36.4 dB and 33.9 dB are achieved at the AZ and EL planes, respectively from numerical calculation by physical optics method at Ku band and the directivity of designed antenna is 10 percent greater than that of conventional antenna.