• 경영과학
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• 제22권1호
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• pp.67-81
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• 2005

This study aims at defining the factors affecting adoption intentions for portable Internet services based on the characteristics of individuals creating the markets and developing strategies of the service, which is expected to be the next-generation telecommunication service. For this Purpose, two types of sub-factors are defined : characteristics of individuals including demographic statistics, usage of existing services, prior cognition, adoption attitudes and service assessments : and adoption Intentions including willingness for subscription, subscription period, willingness to pay, types of usage and preferred device. The results of the study indicate that demographical statistical variables vary depending upon the levels of adoption intentions, and that users of mobile Internet services via mobile phones and wireless LANs are highly probable of being targets for the portable Internet services. Furthermore, the results demonstrate demands for enhancing recognition of the usefulness and ease of use of the services and intense marketing activities for potential users bearing innovativeness to stimulate the market of the portable Internet service. The author is confident that this study will significantly contribute to the successful market entrance of portable Internet service, and also to growth in the market.

• 한국정보통신학회논문지
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• 제6권8호
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• pp.1187-1193
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• 2002

유선 인터넷 망의 Mail 서비스에는 POP3(Post Office Protocol 3)규약과 IMAP4 (Internet Message Access Protocol 4)규약을 기반으로하는 Mail 등이 있다. 무선 인터넷을 이용한 모바일 메일 서비스를 위해서는, POP3 Mail의 경우 전용 모바일 메일 서버를 이용하거나 메일 변환을 거쳐야 하고, Web Mail로 이용되는 IMAP4 메일의 경우에는 원격 파일 서버와 같이 서버 측에 메일이 보관되므로 IMAP4 규약이 없는 모바일 클라이언트로는 모바일 메일 서비스의 이용이 곤란하다. 본 논문에서는 XML 기반의 마크업 언어변환기를 설계하고, 최근 보편화되고 있는 IMAP4 기반의 Web Mail을 모바일에서 이용할 수 있도록 하는 모바일용 메일 추출 엔진을 구현함으로써, POP3 메일 서비스뿐만 아니라 IMAP4를 기반으로 하는 Web Mail을 모바일 환경에서 이용할 수 있도록 하는 모바일 메일 서비스 방법을 제시하였다.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제6권9호
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• pp.2136-2152
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• 2012

The growth of Internet technologies and the widespread use of mobile devices have been paving the way for the increasing use of conferencing services. Two types of systems have been designed to provide conferencing services: 1) a conferencing system using session control over a peer-to-peer (P2P) network and 2) an IP Multimedia Subsystem (IMS) conferencing system. The IMS conferencing system was developed to adapt to a server-based centralized system, whereas the benefits of the P2P operational model in providing such conference services are widely acknowledged. However, each system provides conferencing services only to its own users. Therefore, in this paper, we propose an interworking model to support multimedia conferencing service between the P2P environment and IMS networks. We also introduce protocol architecture and some service scenarios. To verify this system model and the design architecture, we perform an actual implementation and show experienced test results.

• 한국정보시스템학회지:정보시스템연구
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• 제14권1호
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• pp.197-226
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• 2005

Recently, internet as well as internet banking are growing rapidly. Most banks in Korea provide internet banking services for customers. Internet banking became a major trend in the financial marketplace. There are a few empirical research in this area. Although quality of internet banking service is an important concept, there is a lack of theory-based empirical research in this area. Therefore, this paper is aimed at finding whether service quality of internet banking influence customer satisfaction, and whether characteristic of internet banking user influence relationship between customer satisfaction and service quality of internet banking. Furthermore, this paper identify whether customer satisfaction influence customer loyalty. The research model proposed thirteen hypothesis and tested empirically. A total of 269 responses were received from internet banking users and analyzed. The analyses showed partial support for the affirmative effect of customer satisfaction and characteristic of internet banking user. But the relationship between customer satisfaction and customer loyalty is significant. Implications of these findings are that internet banking sites should concentrate on providing a high quality of banking services; information, trust, ease of use, and security of system and thereby strengthen customer loyalty.

• 보건의료산업학회지
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• 제1권1호
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• pp.45-58
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• 2007

The study is designed to compare differences between male and female Internet users in present Internet use conditions, Internet addition, self-respect, and deviation from a health life and analyze and understand factors causing compulsive Internet use. The research is aimed at suggesting basic information to guide a desirable direction for healthy and effective Internet use. The survey of 456 students majoring in public health at some universities in the Pusan-Kyungnam areas was made in November, 2006. The results are as follows: As for general information on those surveyed the number of the males was 50(11.0%) and that of the females was 406(89.0%), which shows an absolute higher ratio of the female respondents. On a question of Internet use frequency 62% of the male students and 44.6% of the female students answered they use the Internet everyday. Also the male respondents' Internet use time was longer. 64.0% of the male students use the Internet for games and entertainment, which were the highest ranked reason. 64.4% of the female students said they use the Internet to check e-mails. To all the questions assessing Internet addiction, the male users' answers implied higher addiction levels, but there wasn't statistically significant difference. However, the statistically outstanding distinction between the two sexes on deviation from a health life is shown in smoking, cheating in a test, obscene video/books, and conflicts with parents. The most answered deviations among the male respondents are smoking, cheating in a test, and obscene video/books, while conflicting with parents is for the female students. On self-respect the survey has found statistical differences in five questionnaire items and the female showed higher levels in all those questions. The male students answered cheating in a test(0.399), conflicts with parents(0.391), and Internet use time(0.242) have significant plus(+) influences on their compulsive internet use, while alcohol(-0.308) has a minus(-) influence. The female students answered self-respect(0.114), alcohol(0.097), obscene video/book (0.218), conflicts with parents (0.243), and Internet use time (0.284) factors have plus(+) effects.

• 국제지역연구
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• 제12권2호
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• pp.203-226
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• 2008

최근 중국의 급속한 경제발전으로 한국기업들의 중국진출도 상당히 빠른 속도로 진행되고 있다. 특히 중국 시장은 3억명의 이동전화 가입자를 보유한 세계 최대 이동전화 시장으로 무선인터넷분야에서도 높은 성장성이 예상되고 있어 향후 한국기업이 우수한 무선인터넷 기술과 다양한 서비스를 바탕으로 지속적인 진출이 예상된다. 그러나 기존의 중국관련 모바일 인터넷 서비스의 수용요인에 관한 연구는 부족하며, 또한 한국기업의 중국시장에서 첨단 기술이나 서비스를 수용 및 확산시키기 위한 기초연구 역시 미미한 실정이다. 따라서 본 연구는 중국 소비자의 모바일 인터넷 서비스에 대한 지각하는 가치를 중심으로 이를 형성하는 선행 요인과 이에 영향을 받는 이용의도를 연결하는 인과모델을 제시하여 실증적 검증을 하였다. 또한 실증분석의 결과를 토대로 중국진출을 위한 기업에 마케팅적 시사점을 제시하였다.

• 대한가정학회지
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• 제44권5호
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• pp.79-87
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• 2006

The purpose of this study is to analyze whether service quality and perceived risk have an effect on purchase intention and satisfaction of the fashion merchandise in internet shopping malls. To this end, a survey was conducted from June 20 to July 30 in 2005, among married women aged in their 20s and 30s, on their purchase experience of fashion merchandise from internet shopping malls. The survey was conducted over the internet with 306 subjects. The statistical analysis methods were frequency analysis, reliability analysis, factor analysis, and multiple regression analysis. First, the service quality factors were determined to be reliability, responsibility, ease of transaction, order convenience, and site characteristics. Perceived risk factors were determined to be merchandise risk, information exposure risk, social psychological risk, and function risk. Second, service quality factors of responsibility, ease of transaction, order convenience, site characteristics and perceived risk factor of social psychological risk had an effect on internet purchase intention of the fashion merchandise. Greater site use convenience, lower price, simpler ordering, and lower social psychological risk were all positively correlated with higher internet purchase intention of fashion merchandise. Third, nice quality factors and social psychological risk had an effect on satisfaction degree in internet shopping.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제16권10호
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• pp.3299-3312
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• 2022

Recently, South Korea preferentially allocated frequencies to build 5G networks as a core competitiveness of the 4th Industrial Revolution. Although the government recognize the importance of 5G construction and preoccupation, network operators have limited to some services, testing the possibility of practical use of 5G. They hesitated to actively build and to carry out the service of a complete 5G network. While 5G is being developed and standardized like this, no one is sure of this step exactly what 5G will be. Thus, following research questions are asked by various stakeholders of 5G market: What is an ideal service providing method for the practical use of 5th generation mobile network? And what are the critical elements to be considered when selecting the service providing method? Therefore, the study aims to investigate 5G service providing issues and elements to be considered and to provide most appropriate service providing method for the practical use of 5G. The results identify that 'Specialized Service' is most appropriate method at the aspects of benefit and opportunity as well as the aspect of risk. In addition, the outcomes imply that the experts replying to the survey not only expect the expansion of emerging market, but also concern the social risk and cost. Since the study dealt with economic, social and business issues in providing 5G service, it might contribute not only to practical research, but also to academic research regarding 5G service method.

• 한국의상디자인학회지
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• 제12권4호
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• pp.1-13
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• 2010

The purpose of this study is to examine the different preference as well as the factor for this preference between general internet shopping mall and feminine internet fashion shopping mall only which are subjected with women and know the satisfaction which follows hereupon. This research will help to establish the strategy to marketers who manage feminine internet fashion shopping mall. The results of this study as follows; 1. As the result of the analysis of preference factors for general internet shopping mall, it was classified with, convenient characteristic, economical efficiency, product and information characteristic, sales promotion, and customer service. Also differences among preference factors appear with following orders, economical efficiency, convenient characteristic, product and information characteristic, sales promotion, and customer service. 2. As the result of the analysis of preference factor for feminine internet fashion shopping mall, it was classified with, fashion information and style, purchase product, economical efficiency, product assortment, and customer service. Also differences among preference factors appear with following orders, fashion information style, product assortment, purchase product, economical efficiency, and customer service. 3. As the result of the analysis of preference factors, convenient characteristic and product information mostly effects to satisfy the customers who use general internet shopping mall. Also purchase product, product assortment, fashion information and style mostly effects to satisfy the customers who use feminine internet fashion shopping mall.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2005년도 추계종합학술대회
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• pp.11-14
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• 2005

In this paper, we propose a method for transmitting SMS(Short Message Service) for VoIP(Voice over IP) service supporting multi-protocol. The multi-protocol VoIP under consideration are generally composed of H.323, SIP and MGCP and Most ITSPs(Internet Telephony Service Provider) provide VoIP service with H.323 and SIP now. SMS is killer application in mobile telecom service and many people of various field use that service. For example, user can send many SMS messages and substitute e-mail. Also SMS can be provided with various internet application. Ahn, legacy phone of KT, can use SMS. Therefore VoIP phone also can be required with the same requirement. With the multi-protocol VoIP we will propose several methods sending efficiently SMS. To show the validity of the proposed method some examples are given in which the results can be expected by intuitive observation.