• Journal of the Korea Society of Computer and Information
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• v.19 no.12
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• pp.299-307
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• 2014

Nowadays, SNS media has become one of the most common and economic communication methods in the modern word. With the rapid development of communication technology, a variety of SNS media makes easier for us to reach other people everywhere and people are getting more and more reliant on them. The surge in SNS media users and SNS media diversity gets more important every day, but academic research on SNS media evaluation program is scanty. In order to present an evaluation program on the SNS media, this study selected some applicable measurement factors based on reference research, and then evaluate major SNS medias by using AHP analysis method. With these purposes, Kakaotalk, Twitter and Facebook, are the three major SNS medias that were chosen for the analysis. Through collections and analysis of usability evaluation factors about SNS quality from related literature, some factors were concluded: system quality, information quality, interface quality and service quality, to build an AHP frame. And to achieve these purposes, this study applied comprehend mutual questionnaire survey for experts and users to gather research date. Empirical studies about the results were performed using AHP method with Microsoft Office Excel 2010. In this study, the final SNS media evaluation result is that Kakaotalk ranks first of the three SNS media, Facebook is in the second place, and Twitter as least. When SNS media are evaluated, system quality, information quality, interface quality and service quality should be considered. Among all factors, service quality is the most important.

• Journal of Digital Contents Society
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• v.13 no.4
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• pp.575-582
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• 2012

Mobile SNS like facebook is famous as an app which users cooperate others and share information without regard to time and place. But it is necessary to evaluate the mobile app accessibility in view of the disabled and the aged to check if they get appropriate interface service to use such a popular app. Mobile app accessibility is an indicator of equal opportunity to mobile app for all users regardless of cognitive and physical attribute. Therefore, this paper evaluates accessibility of facebook and kakaotalk mobile SNS, apprehend the status of conform to the manual, and suggest an improving way, based on 'mobile application accessibility guideline' announced by government and 'mobile application (Android) accessibiliy checking manual(v1.0)' by National Information society agency.

• The Journal of Information Systems
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• v.23 no.3
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• pp.25-46
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• 2014

As the use of smartphone has rapidly spread into the current society, the mobile instant messenger applications such as Kakaotalk, Tiktok, and Line have become an indispensable part of our daily lives. While, the mobile instant messenger has brought us many positive changes, social problems stemming from the dependency on the mobile instant messenger has been occurred. The dependency of the mobile instant messenger can negatively affect daily lives and lead to stress or addiction. Therefore, it is very important to examine how we can prevent such dependency and addiction. In this respect, the purpose of this study is to investigate determinants impacting on the mobile instant messenger dependency, barrier of living, and intention to digital break. The statistical analysis of survey results shows that enjoyment, identity, relationship commitment, critical mass and ease of use are significantly related to mobile instant messenger dependency, while media richness is not significantly related. Mobile instant messenger dependency have a positive effect on barrier of living, which then has a positive effect on digital break. Lastly, the moderating effect of perceived risk is significant. This research suggests theoretical and business implications to prevent mobile instant messenger dependency.

• Journal of Korean Society for Quality Management
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• v.43 no.4
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• pp.545-558
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• 2015

Purpose: The Purposes of this study are (1) to examine why users are communicating through MIM (2) to understand what factors impact these users' satisfaction and loyalty. Methods: We use a questionnaire survey to collect 256 data on users' perceptions of Kakaotalk. We also use a structural equation modeling method by using AMOS 18.0. Results: Company trust, communication voice, connectedness, and perceived network size are found to be statistically significant factors affecting. Also, satisfaction influence on word of mouth and intention to switch. Conclusion: This study develops a research model from the MIM context. We suggest three points of view as company characteristics, device interactivity, and social factor. We examine the determinants of users' satisfaction and loyalty. The results can offer valuable insights for future mobile services research.

• Proceedings of the Korean Society of Computer Information Conference
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• 2018.07a
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• pp.262-264
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• 2018

Many of users play Mobil Social Network Games (M-SNG). M-SNGs are played through social network, and typically features multiplayer and asynchronous gameplay mechanics. It is most often implemented as mobile devices with mobile instant messenger app. Kakaotalk provids mobile game platform. The purpose of this study is to find significant factors that have effects on the commitment of M-SNGs. We also conduct multi-group comparison test to study the difference in factors of models between time t and time t1. Time t is October, 2012 and time t1 is April, 2016. This study is to empirically test the research model using data collected from M-SNGs' users. We survey two different groups of time t and time t1 people with the same model. We use structural equation model analysis with AMOS 18.0 and compare two models of different times. This study is to give academicians and practitioners insight about its effects and implications

• Proceedings of the Korea Information Processing Society Conference
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• 2017.11a
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• pp.474-477
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• 2017

최근 모바일 메신저 챗봇 API를 이용한 서비스 시장이 활성화되고 있다. 챗봇은 대화형 인터페이스 상에서 규칙 또는 AI로 유저와의 인터랙션을 하는 서비스로 지도, 쇼핑, 금융 등의 앱들이 챗봇 안으로 흡수되어 앱이나 웹에 별도로 접속하지 않아도 된다는 이점이 있다. 챗봇에 필요한 자동응답 API는 대표적으로 텔레그램, 페이스북 메신저, 네이버 톡톡, 카카오톡과 같은 메신저 앱에서 구현 가능하다. 아직까지 카카오톡 메신저는 챗봇 구현 환경이 제한적이라는 단점이 있지만, 국내 메신저 사용시간 점유율 94%를 차지하여 유저 접근성이 뛰어나다. 따라서 이 서비스의 타겟층이 주부 및 1인 가구이므로 서비스 범위보다는 접근성을 기준으로 두고 메신저 앱을 카카오톡으로 선택했다. 본 논문은 카카오톡 자동응답 API를 이용한 대화형 서비스를 연구 및 개발하는데 중점을 두고 있다. 이 대화형 서비스는 요리에 관한 전반적인 정보를 제공하며, 서비스 이용자에게 간편한 요리환경을 제공할 수 있도록 한다. 다양한 세부 기능을 확장한다면 효율적인 대화형 서비스가 될 것으로 사료된다.

• Journal of Digital Convergence
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• v.13 no.11
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• pp.427-432
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• 2015

Recently, Mobile Social Network Game market has grown rapidly because Smart devices has been spreading to many people and improving performance. Push notification, which is a success factor of the mobile social network game brought about stress to the user. However, there is no study on push notifications in the mobile social network game; it was difficult to understand for the use of push notifications. The Games of Kakao talk platform has various push notification system and provides detailed descriptions. On the other hand, the game linked to Facebook has minimal push notification system. In the future, if game companies develop push notification system by the characteristics of user, mobile social network games be able to derive the user's use continuously.

• Journal of Digital Convergence
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• v.14 no.10
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• pp.449-454
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• 2016

Characters have been frequently used as a symbol or an icon in above the line advertising for generations. It has become an essential factor for companies to research about the experience that consumers have by engaging with the products that are partnered with famous or brand characters before introducing a product to the market. The character trademark has become more popular and interesting than the product itself. Therefore, products have become dependent on its character trademark. The ultimate purpose of this research is to find effective ways of increasing the value of the brand by observing various characters and how people interact with these characters, depending on the consumer's age, gender, and so forth. One would be able to collect data or information from documents as a method of this research and grasp different contents, components, concepts, and contexts of character collaboration and affiliate characters from well-known messengers, such as Kakaotalk and Line. In addition, by re-analyzing Peter Morville's Honeycomb tool, its method would set the scale of the user experience and one would be able to conduct interviews with those who are using collaboration products. This study reveals extensive guidelines for character partnership or collaboration that have been successful and creating effective marketing skills.

• Journal of Korea Game Society
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• v.15 no.1
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• pp.171-184
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• 2015

Looking at the existing game-related research, innumerable researches such as game acceptance, user satisfaction, continuance intention, wold-of-mouse intention have been carried out. However, there was no cases that applying the concept of service recovery in game researches. The purpose of this study is to evaluate the impact on the characteristic of the mobile social network game that based on domestic mobile social network game platform which focusing on KakaoTalk games on the service recovery. In addition, the study analyzed the characteristic factors of mobile social network game on the basis of Organizational Equity Theory and Innovation Diffusion Theory to identified the causal relationship between those factors and service recovery. As a result, except the independent variable-compatibility, all of the characteristics factors of mobile social network game showed direct or indirect effects on service recovery. The results of this study are expected as a reference for presenting a new business model, reducing risk factors and enriching the related research of the gaming industry.

• Journal of the Korean Society for information Management
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• v.35 no.3
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• pp.215-244
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• 2018

The role of archives and records centers is expanding, however many potential users are not aware of the importance of the records and archives. As a method to improve the archival information services to users, in this study, we developed chatbot that supports the interaction between the users and the archives and records centers. Thus we examined the specific development procedures and methods, analyzed user requests and questions of the archives and records center of Myongji university as a case, and conducted a logical structure design for chatbot development. After building the chatbot based on IBM Watson Conversation and Kakaotalk messenger, we were able to find how the chatbot interacted with the users through a pilot run. Based on the experience of developing information service chatbot, the implications related the introduction of the chatbot were suggested which include determination of the level of the chatbot, analysis of the user requests, selection of the tool for the chatbot, and syntax setting for the conversational interaction.