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COVID-19 전후 제주도 내비게이션 데이터를 이용한 주민 및 관광객의 이동밀도 및 목적지 군집분석 비교
엄태휘(Taehyee Um),고선영(Sun-Young Koh),정남호(Namho Chung) 한국인터넷전자상거래학회 2021 인터넷전자상거래연구 Vol.21 No.2
This study attempted to overcome the limitations of existing studies that were limited to estimation or intention of movement through big data analysis of movement that occurred in Jeju Island. In addition, we examined the differences in the movement of residents and tourists through the density analysis and cluster analysis to see what difference the change before and after the coronavirus. To this end, the origin and destination data of T map navigation users from June 2019 to May 2020 were analyzed. The analysis showed that the area of dense areas in the movement line was expanded, confirming that the origin and destination had become more diverse since the coronavirus. For clustering, clusters occurred in similar areas before and after coronavirus. However, the number of destinations that failed to form a cluster was higher after coronavirus, indicating that various activities and visits to shops were made within similar areas. By combining the above results, this study is expected to be used as auxiliary data for policy strategy establishment related to administration and tourism in Jeju Island.
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사물인터넷 기술을 이용한 의료서비스 사례 연구 및 효과에 대한 연구
정남호(Chung, Namho),엄태휘(Um, Taehyee),이경전(Lee, Kyoung-Jun),박아름(Park, A-Rum) 한국서비스경영학회 2016 서비스경영학회지 Vol.17 No.3
As IoT(Internet of Things) technology evolves, O2O(online to offline) service has been expanded which is using NFC(Near Field Communication) and beacon technology. Such a expansion, however, is largely driven by the major companies and limited to shopping industry. For these reasons, application in various fields is required. Accordingly, introducing O2O service in the medical industry is appeared recently. To keep up this aspect, KHU(Kyung Hee University) hospital is also going to apply O2O service based on smart tag and beacon technology. In this study, firstly, review some O2O service cases which are applied to medical industry in advance. Then we introduce O2O service of KHU hospital. Finally, check out the medical staff’s work-efficiency and patient’s satisfaction who were actually used the service provided by KHU hospital beforehand. Consequently, through out the results of this study, we suggests practical improvement about how the service of KHU hospital can be more competitive.
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온라인 여행사의 추천정보가 구매의사결정과 재사용의도에 미치는 영향
정남호 ( Chung Nam-ho ),엄태휘 ( Um Tae-hyee ) 한국정보시스템학회 2017 情報시스템硏究 Vol.26 No.3
Purpose The purpose of this study is to investigate how OTA recommendation influences users` purchase decision making and reuse intention based on the users` destination type. And we compare the results of domestic destination and overseas destination. Design/methodology/approach This research model was designed with the recommendation elements of OTA. And this study conducted an empirical analysis using self-administered questionnaires. The target of the analysis is an individual who has purchased hotel rooms through the OTA for the past one year. A total of 374 usable data were collected (177 domestic respondents and 197 overseas respondents) and analyzed using partial least squares analysis using Smart-PLS 3.0. Findings Two OTA recommendation characteristics - recommendation accuracy and recommendation objectivity were significant in overall model. And easy of decision making was significantly affect to OTA reuse intention. Also, only recommendation accuracy variable was revealed to significant moderating variable between domestic model and overseas model.
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인스타그램에서 사회적 관계 형성을 위한 사진 공유에 영향을 미치는 요인에 관한 연구
정남호 ( Namho Chung ),엄태휘 ( Taehyee Um ),구철모 ( Chulmo Koo ) 한국지식경영학회 2016 지식경영연구 Vol.17 No.4
Nowadays, owing to the diffusion of smartphones and the growth of social networking services (SNS), the number of people who share their life with other SNS users by posting photos is increasing. The number of Instagram users has been particularly increasing since Instagram started its service in 2010. Compared to other SNS such as Facebook and Twitter, Instagram runs its service by focusing solely on photos, which is a major differentiation factor compared with other existing SNS. Previous studies, however, do not examine SNS that focus on photo sharing adequately. Therefore, we establish a hypothesis relating to the motivations behind a user`s photo sharing attitude and posting intention through Instagram. Moreover, this will be achieved by employing TRA(Theory of Reasoned Action) and focusing on intrinsic and extrinsic motivations. The analysis results show that intrinsic motivation influences a user`s sharing attitude and subjective norms. Apart from this, Instagram`s expressivity influences a user`s photo sharing attitude and posting intention.
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