• Journal of Families and Better Life
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• v.20 no.2
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• pp.161-174
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• 2002

The purpose of this study was to investigate institutionalized adolescents'perception of meaningful persons and to analyze the features of their interpersonal relationships. 9 middle school students of 3 child welfare facilities were observed and participated in depth-interviews. Results indicate that there is a difference in adolescents'family image according to their experience before institutionalization. They want care-givers of institution to offer more emotional support to them. And they perceive much social support from other adolescents who're living with them. But, the findings suggest that their peer relationships have some limitations because of institutionalization itself and various restriction on their behaviors. Lastly, they want more intimate relationship with supporters in addition to financial sponsorship. In conclusion, institutionalized adolescents'interpersonal relationships are related closely to the environmental properties. Therefore, concerns should be directed toward improving the quality of social and psychological environment of institutions. And various programs should be provided to support institutionalized adolescents'social development.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 2005.06a
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• pp.1307-1310
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• 2005

ATM is element that reliability, stability is important in relation with customer by financial agency used device. To embody high reliability and stability, reliability estimation technology development is important. When new product is developed, performance and reliability evaluation of product are essential element. In this paper, is treating contents on reliability estimation of stepping motor, BLDC motor and solenoid that is main driving source of note handling units.

• Korean Management Science Review
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• v.15 no.2
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• pp.83-90
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• 1998

Today, ERP becomes very popular as a vehicle of implementing an integrated information system since this package not only facilitates reengineering but also provides the function of generating consolidated financial statements. Yet a successful introduction strategy on the integrated information system needs to be set up because ERP has weaknesses as well as strengths. The strengths include the prompt reaction to environmental changes, the integrated management of information, the adoption of open systems, and the selection of modules according to functionsl However, the weaknesses of ERP include the provision of only basic functions, the development of package on international standard processes, and possible disadvantages to small and medium-sized firms. This paper is to suggest recommendations on the implementation strategy of ERP as an integrated information system. According to the case study with Firm A that has successfully implemented an ERP package, the most significant advantage of adopting ERP was that Firm A was able to implement an integrated information system for only six months. Finally, this research generates suggestions, such as the importance of the project team structure, the sufficient amount of time for education, and the minimization of the package modification.

• Korean Management Science Review
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• v.18 no.1
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• pp.29-39
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• 2001

Traditionally, companies have been concerned with making an investment decision either to go now or never to go forever. However, owing to the development of the theory of options pricing in a financial investment field and its introduction to the appraisal of real investments in these days, we are now partially allowed to derive the value of a managerial flexibility of real investment projects. In this paper, we derived a general mathematical model to price the option value of real investment projects assuming that they have only one-period of time under which uncertainty exists. This mathematical model was developed based on the opportunity cost concept. We will show a simple numerical example to illustrate how the mathematical model works comparing it with the existing models.

• Journal of the Korean BIBLIA Society for library and Information Science
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• v.8 no.1
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• pp.97-116
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• 1997

In the so-called “information society,”the information service function of public libraries is gaining an increasing importance. In order to meet the growing demand for educational information, the Korean government established the Center for Educational Multimedia Research and Development and opened in 1996 the EDUNET as a comprchensive educational information network. In this context, public libraries as social education institutions are expected to provide educational information services by utilizing the EDUNET information resources. The availability of EDUNET will even increase when the librarians assist users with systematic information search services, and digitalize printed materials in the library. For this purpose, it is necessary for them to accommodate new information technologies and, thereby, to raise the level of information services up to that of their users’needs by enhancing the librarians’expertise in helping users search information effectively. In this end, we suggest a financial decision be made to build an oversea educational information exchange system.

• IE interfaces
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• v.20 no.3
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• pp.327-332
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• 2007

Because the coins of about 920 billion are hoarded during these ten years, the national treasury of about 35 billion wons is wasted in minting coins every year. In this paper we promote to revitalize the circulation of coins through the connection with the financial world. Firstly embedded software that is contained in the coin banking ATM is developed. Then we developed new business process model that does customer spend coins efficiently in online through this system. The system constructed in this paper can contribute to the public interest and the marketability of the nation because of reducing waste of the national treasury and improving utilization and negotiability of coins.

• Water Engineering Research
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• v.2 no.3
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• pp.161-169
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• 2001

Present study deals with the development of a numerical model for the estimation of net annual recharge by coupling the Galerkin's finite element flow simulationl model with the Gauss-Newton-Marquardt optimization technique. The developed coupled numerical model is applied for estimating net annual recharge for Mahi Right Bank Canal (MRBC) project the norms of Groundwater Resources Estimation committee (1984, 1997) and Indian Agricultural research Institute(1983). It is observed that the estimated net recharge by inverse modeling is closer to the net recharge estimated using the water balance approach. Further it is observed that the computed head distribution from the estimated recharge agree closely with the observed head distribution. The study concludes that the developed model for inverse modeling can be successfully applied to large groundwater system involving regional aquifers where reliable recharge estimation always requires considerable time and financial resources.

• Journal of the Korea Furniture Society
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• v.27 no.4
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• pp.309-317
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• 2016

Recently, Korean society is increaseing "1 person family" phenomenon, which is influenced by changing of young peoples' value, aging society and social economic problems. Increase of single households is a result of complex economic, cultural and social factors. It is because as the individual's financial independence increases due to elevated income and education level, the age of marriage is going up and the individualism, which values the individual's value rather than custom, is spreading. Therefore, this new phenomenon will be impact to between social, economic value structure and living space. An increase with small furnitures are also increasing of R&D and marketing plans for 1 person family. Currently, 1 person family is bigger than last decade and that is requiring more suitable and multi-functional furniture for them. However, in Korea furniture companies are more optimization to traditional family size. Thus, this research explore about developing cheap price sofa bed, which is using at narrow area and small place.

• Proceedings of the Korea Technology Innovation Society Conference
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• 1998.05a
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• pp.22-22
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• 1998

This paper reviews the benefits of users participation in IMT-2000 standardization by the creation of users coalitions, focusing in particular on phased standards strategy necessary for the evolutionary approach from second generation to third generation systems. It first presents in detail the current status of IMT-2000 standardization progress occurring at each regional standard body including TIA of US, ETSI of Europe, TTA of Korea and ARIB of Japan. With this clear understanding of standardization situations worldwide, we may be able to come up with our standards strategies related to IPR issues and efficient standard-setting mechanism between manufacturers and service providers. In addition, this paper addresses the necessity for phased licensing of IMT-2000 service in order to avoid the high cost of new infrastructures and ensure an acceptable financial investment returns for existing cellular and PCS service providers. An author hopes that this paper can provide the adequate standardization directions of IMT-2000 to satisfy the varying regional and global market requirements.

• Management Science and Financial Engineering
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• v.2 no.1
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• pp.147-176
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• 1996

The main objective of this study is to uncover the differences in the programming behavior between methodology creators and methodology users. We conducted an experiment with methodology creators who have invented one of the major object-oriented methodologies and with professional programmers who have used the same methodology for their software-development projects. In order to explain the difference between the two groups, we propose a theoretical framework that views programming as search in four problem spaces: representation, rule, instance and paradigm spaces. The main problem spaces in programming are the representation and rule spaces, while the paradigm and instance spaces are the supporting spaces. The results of the experiment showed that the methodology creators mostly adopted the paradigm space as their supporting space, while the methodology users chose the instance space as their supporting space. This difference in terms of the supporting space leads to different search behaviors in the main problem spaces, which in turn resulted in different final programs and performance.