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언택트 시대 비대면 디지털 서비스 평가 연구 : KS-eSQI 모형을 중심으로
이재훈(Lee, Chae-Hoon),임종욱(Lim, Jong-Wook),박수정(Park, Su-Jung),정민국(Jung, Min Kook) 한국IT서비스학회 2020 한국IT서비스학회 학술대회 논문집 Vol.2020 No.-
KS-SQI 시행 20주년을 맞이하여 변화하는 디지털 서비스와 비대면 채널을 고려한 서비스 품질 측정 및 평가를 위해 KS-eSQI 모델을 연구하게 되었다. KS-eSQI는 오프라인의 경계를 넘어서, 4차 산업혁명에 대비한 지침으로 사람, 기업, 기술의 연결과 조화의 관점에서 4차산업혁명 시대에 선구적 역할을 수행할 수 있는 온라인 서비스 품질 평가모형이다. KS-eSQI모형은 온라인 서비스 품질 측정과 평가를 위한 목적으로 개발된 모형으로 오프라인과는 다른 다섯 가지 차별적 요소(KS-SQI와의 연계성, 온라인 서비스 특화, 이론적 타당성 확보, 실무적 유용성, 다양한 온라인 서비스 포괄)를 담고 있다. 온라인 서비스 품질측정을 위한 차원 개발을 위해 학계에서 가장 많이 인용 및 사용되는 대표적인 모형인 eTailQ와 E-S-Qual의 관점을 채택하여, 7개 서비스품질 차원(상품/컨텐츠, 디자인, 시스템, 약속이행, 효율성, 상호작용, 보안/정보보호)을 제시했다.
일반논문 : 정치체제가 내전에 미치는 영향에 관한 경험적 연구
이재훈 ( Chae Hoon Lee ) 한국외국어대학교 글로벌정치연구소 2015 글로벌정치연구 Vol.8 No.1
왜 내전은 끊이지 않고 발생하는가? 내전의 원인은 무엇인가? 내전이 일어날 확률에 있어 민주주의가 문제가 되는가? 본 논문의 목적은 내전의 원인에 있어 정치체제가 내전에 미치는 영향에 집중하고자 한다. 본 연구의 연구문제는 정치체제와 내전의 관계에 있어 ‘과연 민주주의 국가는 내전 발생확률이 낮은가?’이다. 정치체제가 내전 발생에 미치는 영향에 대해 분석하기위해서 본 연구는 전 세계 167개국과 1816-2007년을 연구 범주로 삼는다. 로지스틱 회귀분석 결과, 민주주의가 내전 발생 확률을 20% 낮추는데 기여하는 것으로 나타났다. 특히 아프리카 지역에서는 민주주의가 내전 발생 확률을 58% 낮추는데 기여하는 것으로 나타났고, 탈냉전 시기에 민주주의가 내전 발생 확률을 33% 낮추는데 기여했다. 본 연구를 통해 다음의 두 가지 함의를 얻을 수 있었다. 첫째, 시간 범주를 1816-2007년으로 확장함으로써 보다 폭넓은 연구가 가능해졌다. 둘째, 내전 발생에 영향을 주는 민주주의의 효과가 지역과 시기 구분에 따라 다른 효과를 보였다. 특히 아프리카 지역과 탈냉전 시기에 내전에 미치는 민주주의의 효과는 더욱 크게 나타났다. Why are there so many civil wars ongoing in the world? What is the cause of civil war? Does regime type matter to the possibility of civil war? The aim of this study is to analyze whether democratic nations have low possibility of civil war. The research question of this research is that having based on the relationship between regime type and civil war, ‘do democratic nations have low probability of having civil war nationwide?’ In order to analyze of the effect of democracy on civil war, this study analyzes throughout 167 nations and years on 1816-2007. As a result of logistic regression analysis, it is shown that democracy lowers civil war probability to 20%. Also, specifically African area shows that democracy lowers civil war probability to 58%. In addition, post Cold War period shows democracy lowers civil war probability to 33%. There are two implications of this study. First of all, this research expands time spans to the year 1816-2007. Secondly, in terms of the effect of democracy on civil war, the regional effects and time effects are presented. Especially, in the Africa and the period of post-cold war, the effect of democracy on civil war was greater.
이재훈 ( Lee Jae-hoon ),박채울 ( Park Chae-wool ),이상수 ( Lee Sang-soo ) 한국건축시공학회 2020 한국건축시공학회 학술발표대회 논문집 Vol.20 No.1
With the rapid progress of industrialization, indoor air quality is a very important factor for modern people who spend most of their day indoors. The recent issue of fine dust and radon on the portal site's popularity search shows that interest in indoor air quality has increased. Fine dust causes respiratory diseases, and radon causes severe lung cancer. The new material was tested using plant activated carbon, palm activated carbon and bamboo activated carbon. Both palm activated carbon and bamboo activated carbon are porous materials and generate smooth physical adsorption. As a result of the experiment, both the activated carbon tends to gradually decrease in strength and fluidity as the replacement ratio increases. The reason for this is that both activated carbons have the property of absorbing moisture, so it is judged that the strength is lowered by absorbing moisture necessary for curing. In the case of fluidity, it is judged that the fluidity is reduced by absorbing the moisture required for the flow. In the future, if the problem of the color of the finished cured body is compensated, it will be possible to manufacture a functional finishing board to replace the existing interior finishing material.
KS-SQI 서비스 품질이 고객 행태에 미치는 영향과 사용자 경험 평가 분석 : OTT 서비스를 중심으로
이재훈(Chae-Hoon Lee) 한국IT서비스학회 2020 한국IT서비스학회지 Vol.19 No.5
The subject of this study is user experience analysis for OTT mobile app services. Application service quality was quantitatively measured by utilizing KS-eSQI evaluation model from a service quality perspective. The purpose of this analysis is to analyze how service reuse and other people s intention to recommend services are affected by service quality. In addition, further analysis of user experience will qualitatively look at what efforts are needed to improve OTT service quality and provide a user-friendly environment. According to the survey, the higher the level of KS-eSQI service quality, the higher the reuse of OTT services and recommendation of others. In particular, the dimensions of primary services and unexpected additional services had a higher impact on customer loyalty and recommendation of others than in other industries. Moreover, the following three implications were found to improve app services from a customer experience perspective. First, images and video thumbnails that highlight the strength of the content they provide should be actively utilized. Second, it is necessary to provide service companies with evidence for data-based work recommendations. Third, it should provide a viewing environment in which users can respond more intelligently to the various situations and conditions when they actually watch.
야자활성탄을 활용한 라돈흡착형 고로슬래그 경화체의 특성
이재훈 ( Lee Jae-hoon ),박채울 ( Park Chae-wool ),이상수 ( Lee Sang-soo ) 한국건축시공학회 2019 한국건축시공학회 학술발표대회 논문집 Vol.19 No.2
Recently, a bed company's product has detected a certain level of radon or higher, making it a popular search word on portal sites. Because of this problem, people are becoming more interested in radon. The government plans to support the establishment of a radon alert system for households through a radon concentration survey of 10,000 households. The use of palm charcoal as an indoor finishing material will reduce the risk of lung cancer through radon reduction. The experiment used a method of replacing palm activated carbon with blast furnace slag, and the adsorption performance of radon tends to increase as the replacement rate of palm activated carbon increases.
Left pneumonectomy using self-cutting linear endoscopic stapler in a dog
이시은(Si Eun Lee),박효진(Hyojin Park),이채영(Chae-Yeong Lee),최현종(Hyeon-Jong Choi),김효연(Hyoyeon Kim),김민연(Minyeon Kim),홍정호(Jeongho Hong),유도현(DoHyeon Yu),황태성(Tae Sung Hwang),이희천(Hee Chun Lee),이재훈(Jae-Hoon Lee),이동 한국예방수의학회 2021 예방수의학회지 Vol.45 No.4
A 13-year-old mixed dog was referred to the animal medical center, Gyeongsang National University. Lung masses were diagnosed at the left cranial and caudal lobes through diagnostic imaging, and consequently, left pneumonectomy was performed using a self-cutting linear endoscopic stapler. The pulmonary arteries, veins, and bronchus of each lung lobe were sealed and resected at once, and any air leakage or bleeding was not observed after the surgery. Compared to the conventional ligation method, the self-cutting linear endoscopic stapler has the advantage of significantly reducing the operation time and enabling simple and reliable sealing.