• Proceedings of the Korean Information Science Society Conference
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• 2002.04a
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• pp.775-777
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• 2002

개인의 정보통신에 대한 수요가 증가하면서 음성 위주의 무선통신은 인터넷 지원이 가능한 데이터 중심 의 무선통신으로 빠르게 전환하고 있어 무선통신 환경에서 전자상거래를 비롯한 데이터 서비스의 제공이 미래 정보통신산업의 핵심이 될 것이다. 이러한 환경 속에서 여러 매체나 보도를 통해 쉽게 접하는 용어중의 하나가 바로 무선인터넷 전자상거래(M-Commerce)이다. 이런 M-Commerce는 휴대용 무선기기를 사용한 모든 인터넷 비즈니스를 통칭하는 말로써 구매자와 판매자의 정보를 통하여 각각이 필요로 하는 상품이나 서비스를 이동 컴퓨팅 단말을 통하여 연결시켜 주는 서비스이다. 그러나 무선통신 환경에서 데이터 서비스가 원활하게 제공되기 위해서는 인터넷에서와 마찬가지로 정보보호 문제가 반드시 선결되어야한다. 이를 위하여 본 연구에서는 데이터의 비밀성, 무결성, 인증 메카니즘, 부인봉쇄 서비스 등 기본적인 정보보호 서비스를 갖춘 안전한 M-Commerce 시스템을 설계하고자 한다.

• Journal of the Korean Society of Costume
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• v.26
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• pp.145-162
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• 1995

The purpose of this study were to investigate the conceptual framework of situational vari-ables, and to find out the causal relationships of apparel buying behavior on usage situations and consumer characteristics. Data were collected viaa questionnaire developed on the previous studies from 386 housewives living at Seoul and Pusan, and analyzed by T-test, Factor analysis, and Path analysis. Results indicated that there were significant differences of apparel buying intention on the types of apparel usage situations. The communi-cation situation was found to be composed of Printed Information and Interpersonal Infor-mation, and the buying situation to be composed of Consumer Conditions, such as weather or mood, Shopping Company, Store Atomosphere, Display, and Store Service. The product char-acteristics considered by consumers in apparel buying process were composed of Practically, Fashionability, Brand, and Approval of others. The causal relationships of apparel buying behavior were significantly different on the types of usage situations and the degree of clothing in-volvement.

• Journal of Institute of Convergence Technology
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• v.4 no.2
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• pp.67-70
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• 2014

Recently EU has been recognized that there is a difference of emission quantity between emission certification test mode and real-road driving test. Accordingly the European Commission is currently preparing to require real-road testing as part of the passenger car type-approval process in the EU. vehicle manufacturers from 2017 are expected to test new vehicles not only under laboratory conditions but also on the real-road, using PEMS equipment. Therefore the purpose of this study is to analyze the emission and Fuel Economy of CVS-75 mode test using chassis dynamometer and RDE test using PEMS equipment by PHEV passenger car.

• Proceedings of the KIEE Conference
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• 2006.07d
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• pp.2105-2106
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• 2006

Currently the settlement system which is used at credit card settlement from the member store of the off-line credit card is composed of the credit card settlement terminal, the VAN company which does a settlement relay service and the credit card company. When the obstacle occurs from the credit card company, the VAN company which does a settlement relay service conducts an approval vicarious execution, but when the obstacle occurs from the VAN company, the credit card settlement service is not accomplished smoothly. The dissertation proposes the credit card settlement system which receives a settlement relay service that credit card settlement terminal uses a telegram conversion Agent from other VAN company when the VAN company obstacle occurs.

• Journal of Aerospace System Engineering
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• v.7 no.3
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• pp.51-57
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• 2013

This study describes the Federal Aviation Administration(FAA) certification policy for approving the use of Type II, III, and IV deicing/anti-icing fluids on small category airplanes. These fluids can be characterized as non-Newtonian, pseudo-plastic fluids, also known as "thickened" fluids. Deicing fluids are used before takeoff to remove frost or ice contamination, while anti-icing fluids are used before takeoff to prevent frost or ice contamination from occurring for a period of time(referred to as "holdover time") after application. Thickened deicing/anti-icing fluids can affect airplane performance and handling characteristics and their residue may cause stiff or frozen flight controls. This study also describes an approval process that may be used by type certificate holders and applicants for a type certificate under parts 23 to support operational use of these fluids on their airplanes.

• Biomolecules & Therapeutics
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• v.22 no.4
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• pp.267-274
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• 2014

Drug development and preclinical trials are challenging processes and more than 80% to 90% of drug candidates fail to gain approval from the United States Food and Drug Administration. Predictive and efficient tools are required to discover high quality targets and increase the probability of success in the process of new drug development. One such solution to the challenges faced in the development of new drugs and combination therapies is the use of low-cost and experimentally manageable in vivo animal models. Since the 1980's, scientists have been able to genetically modify the mouse genome by removing or replacing a specific gene, which has improved the identification and validation of target genes of interest. Now genetically engineered mouse models (GEMMs) are widely used and have proved to be a powerful tool in drug discovery processes. This review particularly covers recent fascinating technologies for drug discovery and preclinical trials, targeted transgenesis and RNAi mouse, including application and combination of inducible system. Improvements in technologies and the development of new GEMMs are expected to guide future applications of these models to drug discovery and preclinical trials.

• Journal of Korean Society of Industrial and Systems Engineering
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• v.22 no.51
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• pp.211-220
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• 1999

The purpose of this study is the necessity of collaboration, equilibrium or the differences of examination items about certification system which is focused on products, such as KS, formal approval, and ISO 9000 family, QS 9000, etc, for Quality management system. We make expert group control this problem. Also we make examination items to be united. And the differences of certification body and personnel necessary is dissolved by proper instruction. Examination process and corrective maintenance should be improved by clarity, fairness and reliability. Problems through preparation for certification and certified company should be focused on reform of consciousness of top management and continuous instruction. And desirable solution for mutual certification problem and others should be found by information interchange system of international cooperation.

• Journal of Korean Society of Industrial and Systems Engineering
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• v.32 no.2
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• pp.21-28
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• 2009

This research made an actual study of the Internal Control Systems on medium and small business company located on Gumi industry area. From this study, we learned that work scope, approval procedure and proof documents are well prepared, but some problem of the lack of communication has arose and it should be more complementary. Findings from this study show that the materials and purchasing processes are generally well-operated, but the information-sharing and training related to materials code are still insufficient and require more complementary systems.

• Proceedings of the Korea Information Processing Society Conference
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• 2002.04b
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• pp.841-844
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• 2002

유선인터넷의 공간제약성을 극복하고, 더 빠르고 이동성을 요구하는 사용자들에 의해 M-Commerce가 등장하였다. M-Commerce에서 상품이나 서비스를 제공받기 위하여 고객과 판매자는 이동컴퓨팅 단말을 통하여 정보를 교환한다. 그러나 무선통신 환경에서는 정보 누출의 위험이 항상 잠재적으로 내포되어 있으므로 데이터 서비스가 원활하게 제공되기 위해서는 정보보호가 반드시 선결되어야 한다. 이를 위하여 본 연구에서는 무선인터넷 환경 솔루션을 기반으로 하여 데이터 서비스를 원활하게 제공하면서 데이터의 비밀성, 무결성, 인증 메카니즘, 부인봉쇄 서비스 등 기본적인 정보보호 서비스를 갖춘 안전한 M-Commerce 시스템을 설계하고자 한다.

• Journal of Korea Society of Industrial Information Systems
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• v.7 no.4
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• pp.59-65
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• 2002

Payment systems in EC need confidentiality, integrity, non-repudiation. All transactions between cardholders and merchants must be authorized by a payment gateway in SET protocol. RSA secret key operation which requires heavy computation takes the most part of the time for payment authorization. For the reason, a heavy traffic of payment authorization requests from merchants causes the payment gateway to execute excessive RSA secret key operations, which may cause the bottleneck of the whole system. To resolve this problem, One-Time Password technique is applied to payment authorization step of the SET protocol.