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이국용(Kook-Yong Lee) 한국무역연구원 2020 무역연구 Vol.16 No.1
Purpose- The purpose of this study was to explain factors influencing non-purposeful behavior in smartphone usage Design/methodology/approach- This study collected 155 survey data from University Students in Korea. The Confirmatory Factor Analysis (CFA) and the Partial Least Squares (PLS) analysis were hired in order to test the 12 hypotheses. Findings- Empirical results showed that perceived enjoyment significantly has a positive, direct effect on habit and flow experience. Moreover, boredom and loneliness on the part of smartphone users positively and directly affect habit and addiction. On the other hand, flow experience does not directly affect non-purposeful usage but affects this indirectly via habit and addiction. Habit and addiction of smartphone users positively affect non-purposeful usage. These findings demonstrate the mediating role of flow experience, habit and addiction in terms of smartphone usage intentions in non-purposeful situations. This study extends to the absorption behavior of non-purposeful behavior of smartphone users by introducing a multilevel perspective in understanding why people frequently use theirsmartphones without a certain aim. Research implications or Originality- Furthermore, the results of this study contribute towards explaining aimless behavior of smartphone users and consequently may have a bearing on human productivity whether at home or at the workplace.
웹사이드 유인효과에 관한 실증적 연구-인터넷 E-mail을 중심으로-
이국용(Kook-Yong Lee),윤영선(Young-Sun Yun),선종학(Jong-Hak Sun) 한국인터넷전자상거래학회 2003 인터넷전자상거래연구 Vol.3 No.1
The purpose of this study is to examine the Influences of Internet User's Behavior by Cognitive Response Effects of the Internet E-mail.<br/> As the result of this study, I can get the conclusion as followings;<br/> First, internet visitation behavior is positively influenced by the internet users' attitude in visitation behavior. Second, internet users' attitude is positively influenced by the five factors - playfulness of e-mail, reliability of e-mail, design of e-mail, informativeness of e-mail, - and the negative effected by the resistance of e-mail. Therefore Internet Website operators keep their minds that inducement effect factors in e-mail influence internet user's attitude and induce user's behavior in positively or negatively.
다양한 버스 중재방식에 따른 플라잉 마스터 버스아키텍처의 TLM 성능분석
이국표(Kook-Pyo Lee),윤영섭(Yung-Sup Yoon) 대한전자공학회 2008 電子工學會論文誌-CI (Computer and Information) Vol.45 No.5
일반적인 버스 아키텍처는 공용버스 내에 마스터와 슬레이브, 아비터, 디코더 등으로 구성되어 있다. 특히 여러 마스터들이 동시에 버스사용 권리를 받을 수 없으므로, 아비터가 공용버스와 마스터 사이에서 중재하는 역할을 수행한다. 중재 방식에는 fixed priority 방식, round-robin 방식, TDMA 방식, Lottery 방식 등이 연구되고 있는데, 중재방식에 따라 버스 사용의 효율성이 결정된다. 반면 버스 아키텍처를 수정하여 시스템의 성능을 극대화할 수 있는데, 본 논문에서는 병렬 데이터 통신을 지원하는 플라잉 마스터 버스 아키텍처를 제안하였고, 위에서 언급한 여러 가지 버스 중재 방식에 대하여 일반적인 공용버스와 비교하여 장단점을 분석하였다. TLM(Transaction Level Model)을 이용한 성능검증 결과로부터 버스 중재방식과 무관하게 약 40%의 성능이 향상되었음을 확인하였다. 플라잉 마스터 버스 아키텍처가 좀 더 연구되고 다양한 SoC에 적용되면서 고성능 버스 아키텍처로 자리매김할 것이다. The general bus architecture consists of masters, slaves, arbiter, decoder and so on in shared bus. Specially, as several masters do not concurrently receive the right of bus usage, the arbiter plays an important role in arbitrating between shared bus and masters. Fixed priority, round-robin, TDMA and Lottery methods are developed in general arbitration policies, which lead the efficiency of bus usage in shared bus. On the other hand, the bus architecture can be modified to maximize the system performance. In the paper, we propose the flying master bus architecture that supports the parallel bus communication and analyze its merits and demerits following various arbitration policies that are mentioned above, compared with normal shared bus. From the results of performance verification using TLM(Transaction Level Model), we find that more than 40% of the data communication performance improves, regardless of arbitration policies. As the flying master bus architecture advances its studies and applies various SoCs, it becomes the leading candidate of the high performance bus architecture.
An Empirical Study On the Website Usage Behavior : 웹사이트 이용행위에 대한 연구
Lee Kook-Yong(이국용),Hyung Song-Woo(형성우),Park Kyung-Soo(박경수),윤중현, 金榮文 한국산업경영학회 2003 한국산업경영학회 발표논문집 Vol.- No.-
In the past days, most of studies about website and Online behavior have been mainly focused on the adoption of website and Internet Shopping or Shopping mall. But the generic model of website usage behavior has not been made and the Leading Theory of website usage behavior has not been existed. The purpose of this study consists of two parts: (1) to find the determinant variables of the website users" revisiting intention in a certain website, (2) to examine the relative influences of the variables on website usage behavior. The framework of this study is based on the combination of some theories - Davis(1989)"s TAM, Fishbein(1975)"s TRA, Hoffman et al.(l997), Schneiderman (2000), Yoon(2002), Lee and Turban(2001), Smith et al.(2000), Sultan et al.(2002), Shankar et al.(2002a, 2002b), McKnight et al.(2002), Pan, Shankar and Ratchford(2002), Chen and Dhillon(2003), Jarvenpaa et al.(l999, 2000) etc. Major findings of this research are summarized as follows: First, determinant of website usage behavior intention consist of 1) the attitude and 2) the trust of the website. Second, the website trust is affected by the usefulness, accuracy, design, ease of use, reputation, satisfaction experience of website. But the richness of website does not determine the trust of Website in this research model. Finally, this research presented a conceptual and generic model of the process in website usage behavior by internet users.