• Journal of Digital Convergence
• /
• v.19 no.2
• /
• pp.373-378
• /
• 2021

The study is a user experience design study on the function of action cams used for leisure activities that have been on the rise recently. Along with the video platforms that are developing in a user-friendly way, the size of the action cam market is also growing. However, there is a lack of research on the quality of a function that enhances the user experience. Thus, this study classified action cam functions according to user experience elements by using Kano Model's analysis method and in-depth interview, and analyzed how the quality of action cam functions affects the user experience by conducting a satisfaction survey by function. The results of the study have shown which functions should be improved first and which functions should be continuously researched and invested. I hope this study will contribute useful information to developing user-centered action cams.

• Journal of the Korea Society of Computer and Information
• /
• v.25 no.4
• /
• pp.157-163
• /
• 2020

The purpose of this study is to explore the impact of Union-Pay mobile payments on user viscosity from the perspective of service quality and brand personality. In the future, it is meaningful for CUP to obtain a stable and loyal user group in China's mobile payment market. This study uses SPSS22.0 and AMOS statistical analysis tools to conduct empirical research. In this case, this study uses mobile service quality and The brand personality is the independent variable, and the user's viscosity is the dependent variable, which studies the impact on the user's viscosity in the context of China Union-Pay mobile payment. the study. According to the analysis results, the research goal: service quality has a significant positive correlation effect on user perceived value; service quality has a significant positive correlation effect on user viscosity; perceived value has significant positive correlation effect on user viscosity; brand personality to user Viscosity has a significant positive correlation effect; brand personality has a significant positive correlation effect on user perceived value. Through this research, we can make Suggestions on the industrial development of mobile payment enterprises and provide better opinions on the development of mobile payment.

• Journal of the HCI Society of Korea
• /
• v.9 no.2
• /
• pp.53-59
• /
• 2014

The objectives of this research is to compare UX elements influencing the satisfaction of users in Korea and North America according to product types of mobile commerce services, to determine UX INDEX suitable for each type of service, and to derive positively influencing UI factors through analyzing the relationship between UX INDEX and UX design detail factors. This research showed that there was difference in perceived reliability according to selling product types and there was difference in both perceived usefulness and reliability according to users in Korea and North America. Also, this research found out that, in analysis of relationship between UX INDEX and UX design detail factors, UI factors to understand a service structure generally showed close relationship but factors such as troubleshooting and help showed difference between users in Korea and users in North America.

• Science of Emotion and Sensibility
• /
• v.13 no.3
• /
• pp.523-532
• /
• 2010

In the field of user interface design for interactive product, it is becoming more important than ever to understand emotional quality and its characteristics. By a series of experiments on emotional quality of user interface, this paper aimed to develope a systematic approach to investigating emotional quality. First, a emotional quality framework that consists of 6 dimensions (Usefulness, Easy of Use, Aesthetics, Stimulation, Identification, and Harmony) and 18 elements was developed through two experiments that users and UI expert participated in. Second, by conducting a user survey based on the emotional quality framework, it was illustrated how various emotional qualities of interactive product can be evaluated and what effects they have on overall satisfaction of the product. Finally, this paper analyzed the relative importance of emotional quality dimensions and the contextual factors that change emotional quality, and provided basic knowledge related to the construction of emotional quality for the succeeding studies.

• Journal of Korea Multimedia Society
• /
• v.15 no.7
• /
• pp.910-919
• /
• 2012

We have observed huge success in social network services like Facebook and Twitter, and many researchers have done their analysis on these services. As massive data observed by users is produced on Twitter, many researchers have been conducting research to detect an event on Twitter. Some of them developed a system to detect the earthquakes or to find the local festivals. However, they did not consider the credibility of location information on Twitter although their systems were using the location information. In this paper, we analyze the credibility of the profile location and the correlation between the spatial attributes on Twitter as the preliminary research of the event detection system on Twitter. We analyzed 0.5 million Twitter users in Korea and 2.8 million users around the world. 49.73% of the users in Korea and 90.64% of the users in the world posted tweets in their profile locations. This paper will be helpful to understand the credibility of the spatial attributes on Twitter when the researchers develop an application using them.

• 한국HCI학회:학술대회논문집
• /
• 2009.02a
• /
• pp.1194-1197
• /
• 2009

Nowadays many Internet users have their own homepages and blogs on the Internet. Developers and designers offer a lot of options to users to increase their satisfaction. Do users prefer a lot of options? This study shows that users may prefer simple web-sites to complex web-sites. Moreover, users' attitudes can be affected by individual characteristics users have. This study focuses on one of the individual differences, computer anxiety. As a result, users who have high computer anxiety had more negative attitudes to web-sites than users having low computer anxiety had. This result emphasizes the importance of understanding users when designing interfaces.

• Proceedings of the Korean Information Science Society Conference
• /
• 2012.06d
• /
• pp.140-142
• /
• 2012

최근 상황인지에 관한 연구가 활발히 진행되고 있으며 스마트폰의 각종 센서를 통해 사용자의 컨텍스트 파악이 가능해졌다. 이에 따라서 스마트폰의 컨텍스트 파악을 통해서 사용자에게 각종 친화적 서비스 모델이 많이 생겨 나고 있다. 사용자의 경로 추론, 실내에서의 사용자의 위치파악, 사용자 위치기반 편의시설 추천 등이 그 예이며, 그 중 애플리케이션 추천은 대표적인 서비스라 할 수 있다. 애플리케이션 추천은 사용자의 컨텍스트에 따라서 애플리케이션 사용내역을 로그 데이터로 만들고, 로그 데이터를 기반으로 컨텍스트에 따라서 사용자의 애플리케이션 추천을 해주는 시스템이다. 여기서 로그 데이터를 가공하지 않고 통계를 통해 추천이 가능하지만, 로그 데이터를 사용하여 의사 결정 트리를 만들게 되면 보다 정확하고, 빠르게 추천이 가능하며 적은 로그 데이터로 더 많은 컨텍스트에 적용하여 추천 할 수 있다는 이점이 있다. 본 논문에서는 사용자의 컨텍스트 추출하고 이 데이터를 기반으로 의사결정트리를 만들어 앱을 추천하는 시스템을 제안한다. 이러한 컨텍스트 수집 방법과 추론모델을 이용한 애플리케이션 추천 시스템은 추후 사용자 친화적 서비스 연구에 많은 도움이 될 것이다.

• The Journal of Society for e-Business Studies
• /
• v.12 no.3
• /
• pp.107-131
• /
• 2007

Due to an increase of the importance of E-catalogue on electronic commerce, E-catalogue systems have been prevailing for their production and efficient management around Web environment. In this study, we categorize service factors off-catalogue systems into three aspects contents-providing, user participation, and system management, and we measure their impacts on user satisfaction. The results of the study show that richness, design, trust, interaction, function of transaction management, system extensibility, system stability, and security have been found out to be significant factors to affect user satisfaction.

• Proceedings of the Korea Contents Association Conference
• /
• 2008.05a
• /
• pp.484-488
• /
• 2008

In ubiquitous environments, there are a large number of various mobile devices everywhere. Recently, many studies have been research on distributed resources sharing in this ubiquitous environments. However, the problems with this researches are no considering user's situation and preference. Therefore in this paper, we suggest the personalized resource sharing system considering user's situation and preference. Our system is aware of user's situation by using user's schedule information and a context information such as the time and location information and recommends personalized resources by using the simple weighted scheme. We prove our situation-aware based personalized resource sharing system by using a meeting scenario.

• Proceedings of the Korea Information Processing Society Conference
• /
• 2015.04a
• /
• pp.722-725
• /
• 2015

모바일 환경에서 사용자의 GPS 궤적은 위치기반서비스(Location Based Service)에서 새로운 자원으로써 활용되고 있다. 위치기반서비스의 확장을 위해 단순히 사용자의 위치를 지도에 표시하는 것뿐만 아니라 사용자들이 위치했던 장소들이 내포하고 있는 의미를 발견해 내는 것이 필요하다. 이를 위해 최근 사용자의 위치정보에 관심지점(POI: Point of Interest)의 정보를 결합하여 시맨틱 궤적(Semantic Trajectory)을 생성하고 분석하는 연구들이 진행되고 있다. 이러한 기존연구의 경우 시맨틱 궤적을 생성하기 위해, 사용자의 GPS 궤적과 POI의 면적 정보(polygon)가 겹칠 경우를 찾아내서 이를 시맨틱 궤적으로 생성하였다. 하지만 대부분 공개된 POI 정보는 실제 장소들의 면적 정보를 제공하지 않고 좌표(point) 값 만을 제공하기 때문에 기존의 방법으로는 시맨틱 궤적을 생성하지 못하는 문제가 있다. 본 논문에서는 사용자의 GPS 궤적과 POI의 좌표 값을 이용하여 사용자가 실제 방문했을 것으로 예상되는 POI 를 추정하고 이를 시맨틱 궤적으로 생성해 내는 방법을 제안한다. 제안하는 기법은 GPS 궤적의 속력 정보를 사용하여 사용자가 정지했었던 구간을 판별하고, 정지 구간 주변의 POI 밀도에 따라 정지 구간을 영역으로 확장한다. 그리고 영역에 포함된 POI 중 정지 구간과의 거리가 가장 가깝고, 가장 오랜 시간 포함되었던 POI를 사용자가 방문했던 POI로 판단한다. 이 방법은 POI의 면적정보가 없는 제한적인 상황에서도 시맨틱 궤적을 생성할 수 있다는 장점을 가진다.