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이동만(Dong Man Lee),장성희(Sung Hee Jang) 한국경영학회 2002 經營學硏究 Vol.31 No.6
This paper is purpose to research purchase decision factors considering transaction cost in electronic commerce. Basis of prior research, this study tested empirically purchase decision factors considering tranaaction cist in electronic commerce. In this study, transaction cost was influenced by human asset specificity, brand name specificity, product uncertainty, Process uncertainty and frequency, And purchase decision in electronic commerce was influenced by transaction cost.. ln the conclusion. study`s limitations and implications treated.
산업유형과 기업규모를 고려한 e-비즈니스 채택요인과 기업성과간의 관련성 분석
이동만(Dong-man Lee),안현숙(Hyun-sook Ahn),김효정(Hyo-jung Kim) 한국인터넷전자상거래학회 2009 인터넷전자상거래연구 Vol.9 No.3
The purpose of this study is to investigate relationship e-business adoption factors and firm performance and to differed with the organizational size and the type of industry. To accomplish these research purposes, this study performed a survey and 109 responses were used for statistical analysis. The research results are as follows: First, e-business adoption factors were mainly focus on top management support, technology compatibility. Second, technology compatibility, perceived e-business advantage, top management support, competitive pressure have a positive effect on firm performance in significant level. Third, the relationship between e-business adoption factors and firm performance was partially differed by firm's size and the type of industry, the organization is involved in.
이동제(Dong-Je Lee),김형만(Hyung-Man Kim),이동호(Dong-Ho Lee),홍기호(Ki-Ho Hong),배명환(Myung-\han Bae) 한국자동차공학회 2002 한국자동차공학회 지부 학술대회 논문집 Vol.2002 No.3
In the present study, surface temperature measurement of the cylinder head was done in a diesel Engine by K-type and E-type thermocouples. The thermocouples are welded on the surface of the cylinder head to measure the surface temperature, and drawn out through the hole of safety valve. A connector is designed and manufactured in the hole of safety valve, and Ceramic bond was used to prevent the leakage of combustion gas. Surface temperature distribution of the cylinder head have been measured with various engine torque. The results show that the surface temperature of exhaust valve side is much higher than other parts.<br/>
u-Learning 시스템 속성이 지각된 상호작용성 및 학습성과에 미치는 영향
이동만 ( Dong Man Lee ),이상희 ( Sang Hee Lee ) 한국정보시스템학회 2012 情報시스템硏究 Vol.21 No.1
The purpose of this study was to identify the negative factors affecting personnel u-Learning acceptance and to analyze the interrelation among the factors in this research model. The two independent variables avoidable convenience and reliant convenience, based on pilot test results, and learning performance and perceived interactivity, based on the relevant literature, are used to examine the research model. The research problem was tested with data collected from 577 respondents in 23 universities. This study developed and empirically analyzed a model representing the relationship by using the Structural Equation Model. The major findings of this study are, firstly, that the higher reliant convenience is negatively affecting the degree of system use and learner`s satisfaction, whereas avoidable convenience is only affecting the learner`s satisfaction. Secondly, the higher learning performance and stronger perceived interactivity affects the degree of system use as well as learner`s satisfaction. Finally, the degree of system use affects the learner`s satisfaction.
UTAUT 이론을 기반으로 한 인터넷뱅킹의 이용에 영향을 미치는 요인: 한국과 중국의 비교연구
이동만 ( Dong Man Lee ),림계화 ( Gui Hua Lim ),장성희 ( Sung Hee Jang ) 한국정보시스템학회 2010 情報시스템硏究 Vol.19 No.4
This study examined the difference in the usage of internet banking users between Korea and China. This model tests various theoretical research hypotheses relating to internet banking, The Unified Theory of Acceptance and Use of Technology(UTAUT). The factors influencing on the use intention of Internet banking have been classified as performance expectancy, effort expectancy, social influence and facilitating conditions. The proposed model was empirically tested using data collected from a survey of internet banking users in Korea and China. The model is used by SPSS 15.0 and AMOS 7.0 for analysis on the sample collected from 272 respondents. The result of hypothesis testing are as follows. First, performance expectancy and social influence positively influence use intention of internet banking user both Korea and China. Second, facilitating conditions only positively influence on the usage of internet banking users in Korea. On the other side, effort expectancy do not influence the use intention of internet banking users in both two countries. The results of study will provide practical implications on the internet banking in Korea and China.
이동만(Dong-Man Lee),김상식(Sang-Sik Kim),이재홍(Jae-Hong Lee) 한국산업정보학회 2009 한국산업정보학회 학술대회논문집 Vol.2009 No.5
본 연구는 건물 내부에서 외부로 외부에서 내부로 출입하는 출입자를 정확히 파악하기 위하여 보안이 강화된 개별인증 출입보안시스템을 구축하는데 있다. 시스템 구현을 위해서 RFID 기술, 지문인식 기술을 적용한 통합인증단말기와 무게를 측정하는 전자저울을 활용 하였다. 개별 인증이 가능한 출입 인증 보안시스템을 구현한 결과를 요약하면, 첫째, 내부에서 외부로 나오는 경우와 외부에서 내부로 들어가는 경우를 분리한 이중 출입방식으로 외부인이 내부에서 나오는 사람의 인증만으로 쉽게 건물 안으로 진입하는 보안상의 문제점을 해결 하였다. 둘째, 건물 내부 물품을 외부로 유출할 시 무게 차이 때문에 출입문이 차단되어 관리자의 허락 없이는 물품을 밖으로 유출할 수 없게 되어 도난율 방지문제를 해결 하였다. 셋째, 몸무게 정보를 이용하여 출입자들이 동시에 출입문을 통과하지 못하도록 제한하여 모든 출입자의 로그정보를 정확하게 저장할 수 있도록 하였다. 넷째, 데이터베이스에 저장된 출입로그 데이터를 출퇴근 관리프로그램에 지원하여 급여 계산 및 인사 업무에 활용할 수 있도록 하였다. 다섯째, 건물에 화재가 나거나 폭탄 테러와 같은 위험 발생 시 출입자를 정확하게 파악할 수 있게 되어 용의자 파악이 용이하도록 하였다.