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Developing a Nomological Network for Destination Visit Intentions as a Quality of Website Features
정남호(Nam Ho Chung),이현애(Hyun Ae Lee),이승재(Seung Jae Lee),구철모(Chul Mo Koo) 한국경영학회 2014 한국경영학회 통합학술발표논문집 Vol.2014 No.8
Tourism products, in its heterogeneous, intangible and perishable nature, render the intensive information more valuable compared to other industries. The advent of high speed Internet and high-tech communication technologies needs a paradigm shift in information and tourism, and Smart Tourism is emerging. DMOs (Destination Management Organization), as a web-based marketing service, provide information and images about the destination via websites; and this has great effects on the potential tourists’ decision making process. This paper supposes that the quality of the destination website is positively correlated with the continuance visit to the destination website and the website quality-continued usage intention association subsequently affects the intention to visit the destination. To prove the proposition, a research model that combines DeLone & McLean’s IS Success Model (1992, 2003) with Bhattacherjee’s Expectation-Confirmation Model (2001), was suggested, and tested with potential tourists who visited VisitKorea.com, a destination website of Korea. As a result, all the hypotheses postulated were selected, and the results found that the information quality, in particular, has the greatest effect on confirmation, and the continuance visit to the destination website actually consolidates the intention to visit the destination.
SUH35/SUH3 마찰용접 접합계면에 대한 잔류응력 특이성의 해석
정남용(Nam yong Chung),박철희(Chul Hee Park),이대영(Dae young Lee) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.5_2
With increasing use of SUH35/SUH3 dissimilar materials for automotive engine valve, it is required that stress singularities on an interface for friction welded dissimilar materials analyzed to establish strength evaluation. The stress singularity index(λ) and stress singularities factor(Γ) were calculated from using the results of stress analysis to consider residual stress and loads. The stress singularities on variations for shapes and thickness of welded flashes were analyzed and discussed. This paper suggested that the strength evaluation by using the stress singularity factors as fracture parameters, considering the stress singularity on an interface edge of friction welded dissimilar materials will be useful.
박람회 참관객의 Big 5 성격특성과 조직지원이 박람회 만족도에 미치는 영향
정남호(Nam Ho Chung),한희정(Han Hee Jeong),이경전(Kyoung Jun Lee),전정호(Jung Ho Jun) 한국호텔외식관광경영학회 2014 호텔경영학연구 Vol.23 No.3
Helped by the accumulation of Information Technology (IT), the smart era is here. The tourism industry has been quick to become part of the new era using smart IT. In particular, the exhibition and convention industry has begun to use near field communication (NFC), which allows visitors to have the experience of a smart exhibition. The experiences of visitors are primary in these industry. The usage experience of new IT could be affected by visitors` personalities and by organizational support. However, there is relatively little research that has explored it. Thus, this study combined experiential value and big five personality theory, and empirically examined visitors` personalities and the organizational support for NFC, to test how these factors influence visitors` satisfaction with an exhibition through playfulness value and NFC satisfaction, when exhibition visitors used NFC. Through an onsite survey, this study collected 395 samples from those using NFC in an exhibition and analyzed the data. The study found that openness, agreeableness, conscientiousness, and the organizer`s support for NFC had an influence on NFC satisfaction. Additionally, this NFC satisfaction had a significant effect on exhibition satisfaction. Based on these results, the theoretical implication is that this study explains the visitors` NFC satisfaction and exhibition based on the experiential value and big five personality theory. The practical guidelines is that there is a need in NFC contents to reflect various visitors` personalities and the importance of organizational support.
Microvascular Anastomotic Coupler System을 이용한 쉽고, 빠른 혈관문합
정남연(Nam Yun Chung),임홍철(Hong Cheol Lim),이순혁(Soon Hyuck Lee),박종훈(Jong Hoon Park),박종웅(Jong Woong Park) 대한정형외과학회 2008 대한정형외과학회지 Vol.43 No.1
목적: 골, 연부조직 결손의 재건을 위한 유리조직 이식 시 microvascular anastomotic coupler (MAC)를 이용한 미세혈관 문합의 결과를 보고하고자 한다. 대상 및 방법: 유리 조직 이식술 시 MAC coupler 시스템을 이용하여 정맥 문합을 시행한 12명의 환자 20예의 정맥문합을 대상으로 하였다. 환자의 연령, 성별, 수술 당시 진단명, 공여부 조직, 공여부 및 수여부 혈관의 직경, coupler의 크기, 문합 소요시간, 문합 직후 문합 부위의 혈관 개존 및 누혈 여부, 유리 조직 이식술의 성공 여부 등을 조사하였다. 결과: MAC coupler를 이용한 정맥 문합에 소요된 시간은 평균 3분 15초였다. 전 예에서 문합 직후 문합부의 누혈이나 혈전 형성이 관찰되지 않아 100%의 직후 개존율을 보였으며 이식 조직은 장기 추시 시 전 예에서 혈관의 개존이 유지되어 생존하였다. 결론: 정형외과 영역의 미세 재건술 시 coupler 시스템을 사용함으로써 미세 혈관 문합시간을 단축할 수 있어 수술 시간과 유리 조직의 허혈시간을 획기적으로 단축할 수 있었다. 이 시스템은 사용방법의 습득이 용이하고, 혈관 내막의 손상이 적으며, 초기 문합 강도가 우수할 뿐 아니라 문합 혈관의 직경차도 쉽게 극복할 수 있어 미세 봉합사를 이용한 고식적 혈관 문합을 대치할 수 있는 좋은 수술방법으로 사료된다. Purpose: We report the results of microvascular anastomosis using a microvascular anastomotic coupler (MAC) system. Materials and Methods: Twenty cases (12 patients) of venous anastomoses performed using a coupler system were examined. The patients' age, gender, preoperative diagnosis, donor tissue, vessel diameters, size of coupler, time for anastomosis, patency rate immediately after surgery and the final survival rate of the transferred tissue were evaluated. Results: The mean time for anastomosis using the coupler system was 3 min and 15 sec. The immediate patency rate after anastomosis was 100% without any leakage of blood or thrombus formation. At the final follow up, the transferred tissue survived in all cases. Conclusion: Microvascular anastomosis using a coupler system in orthopaedic reconstructive surgery can shorten the vascular anastomosis time and significantly reduce the total ischemic time of the transferred tissue. This system can be easily used after a short training period. This system minimizes the intimal damage of the vessel, easily overcomes the diameter discrepancy and provides secure fixation at the anastomosis site. This system can be a good strategy for substituting the conventional suture anastomosis.
체험경제요인이 지식기반 모바일 증강현실의 수용에 미치는 영향 : 쾌락적 정보시스템 관점
정남호 ( Nam Ho Chung ),이현애 ( Hyun Ae Lee ),구철모 ( Chu Lmo Koo ) 한국지식경영학회 2013 지식경영연구 Vol.14 No.4
Augmented reality, which has recently drawn great attention, has a long history in technical terms. However, the latest emergence of mobile augmented reality using smartphones is allowing people to access augmented reality more easily and faster than ever. However, a review of existing studies shows that most of them have focused on the technical realization of augmented reality, whereas few studies have dealt with how users perceive augmented reality. For users, augmented reality is a means of knowledge transfer, which enables the experience of more abundant reality by providing additional information sources to objects or landscapes. Therefore, the element of experience must be considered for the perception of users. In addition, the current augmented reality technology certainly provides users with more fun than any other existing technologies. In this regard, this study intended to divided experiences not only into sensory experiences, but also into entertainment, educational, escapist, and esthetic experiences based on the experience economy theory suggested by Pine and Gilmore (1998). Moreover, this study intended to examine whether mobile augmented reality applications, which are highly popular as a means of the experience economy, influence the usefulness, convenience, and enjoyment perceived by users, and to identify which of these cognitive elements influence usage intentions.