• Proceedings of the Korean Operations and Management Science Society Conference
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• 2005.10a
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• pp.133-164
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• 2005

Mobile games have emerged as the most innovative entertainment technology, adding new revenue streams, taking advantage of the potential of wireless applications and service offerings. Mobile games, like any other types of computer game, offer a unique value for users in providing an exciting digital experience in virtual worlds. Players can become empowered through the development of new characters and strategies within games to achieve rewarding successes against the computers and other players. The overall trend for mobile games is towards bigger, more colorful, more involving and exciting contents, which will build upon the developing capabilities of mobile phones and networks in order to bring new styles, concepts and experiences of game play to the users. In this paper, we attempt to investigate the demographic factors which play critical roles in determining the level of playing times; classify mobile gamers based on their motives for playing games; and empirically test differences in their demographic factors and mobile game usage. Statistical results show that significant differences in playing times exist, depending upon their age, gender, mobile device, mobile phone usage, mobile game experiences, and preferred games genres. Applying Factor analysis, we have identified Escape, Social interaction, Challenge and Competition, Fantasy, Diversion and Relaxation, Ease of Accessibility as key motivators for playing mobile games. Additional cluster analysis shows that the categorization of gamers, according to their usage habits and the key motivators for playing, can be made as follows: M-gamers, Multi-gamers and Communication-focused gamers. Further correlation of these grouping with socio-economic data shows the significant differences in gaming habits and patterns of mobile phone use.

• Journal of Game and Entertainment
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• v.2 no.1
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• pp.1-7
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• 2006

While numerous On off-line and mobile games have been released in our domestic game market annually, the release of mechanic games in our domestic game market is merely a minority. The marketability of robot-typed mechanic game among our domestic game markets has net been widened. What are the reasons that the robot-typed mechanic game in our domestic games has not been expanded in terms of its users? The purpose of this study is to figure out the reasons why there have been few demands and manufactures of robot-typed mechanic games in domestic market. This study investigate the present conditions of robot-typed mechanic games released domestically and internationally and the reasons for game users' avoiding them through the ranking of sale and popularity. In addition, it analyze three biggest causes such as the absence of planning capability, cultural exclusivism against robots and difficulties in manipulation. Lastly, the study investigate the necessity and importance of robot-typed mechanic games in domestic markets.

• Journal of Game and Entertainment
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• v.2 no.1
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• pp.17-26
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• 2006

In this paper, we analyzed the use of computer games relating their scholastic achievements and behaviors of the first and second grade boy students in vocational high schools. The analysis based on the location of schools turned out to be meaningful because computer games seemed to deteriorate urban students' school grades more than those of the rural students. However, another analysis based on types of schools such as agricultural, technical, and commercial schools did not show any meaningful differences in their GPA(Grade Point Average). It was analyzed that such items in the given questionnaire as whether or not computer games made them less attentive to their classes, whether or not games made them put off their stud? and work, and whether or not they played computer games even during their exam periods had no meaningful results. Besides, it seemed that there was no connection between how well one plays computer games and how well he or she does at school work did not seem to be correlated. In short, most of the subjects seemed to enjoy computer games regardless of their scholastic achievements.

• Journal of Game and Entertainment
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• v.2 no.1
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• pp.64-70
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• 2006

CAD system is a very important technology in designing many products which we are using today. This CAD technology have enlarging its area into 3D CAD systems with the development of computer graphics technologies. In particular, such advances have also been realized in special area such as the CAD system for designing shoes. 3D CAD systems for shoes design must provide compatibility between 3D and 2D data because shoes are made using 2D parts of pieces of leather or cloth. Many designers get high performances using 2D shoe CAD systems because they have had long practices with the 2D systems. Therefore, to get the mapping between 2D modeling and 3D modeling is one of very important components in 3D CAD system. In this paper, we proposed a flattening method that convert 3D shoes data to 2D data.

• Journal of Game and Entertainment
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• v.2 no.1
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• pp.78-86
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• 2006

In this paper, we design a ubiquitous home automation system for Korean domestic 33-Pyung Apartment based on USN environment. The core of this home automation system is to give Home the 'Intelligence' so that the house can analyze and memorize the occurrences and react spontaneously on the user requirements by means of the World Model, USN, and LBS etc. Ultimately, the resident of this intelligent home might access all of these ubiquitous environments without any feelings about the equipments and peripherals. The methods of user identification, image recognition, and the ultrasonic sensors locations have been applied to Korean domestic 35-Pyung Apartment, but they will be easily generalized to be an extended model because of the flexibility of the World Model. which are confirmed by the imaginary scenario presented at the end of the main left.

• Journal of Game and Entertainment
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• v.2 no.1
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• pp.45-55
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• 2006

The video production, as a recording data about the archeological survey, has advantages to be visualized in actuality and historical fact presented objects with elements such as moving images, audio(voice) and text(subtitle). While the report with text and images such as photographs and drawings does not present exactly, the video production can record a concrete excavation process to be difficult of represent with former media. To make a practical use the video production in archeological surveys, the use dimension should be expanded to the entire archeological excavations and the shooting and editing work should be done by those video production-specialized staffs. Ultimately, when this video production device is used but also for the survey purposes but also for the education, exhibition, and even commercial purposes, it can have the substantial meaning as a survey tool.

• Journal of the Korea Computer Graphics Society
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• v.13 no.2
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• pp.23-29
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• 2007

We are suggesting an authoring tool can be used for prototyping in the augmented reality based product design environment. This tool is for authors without an engineering background to use. Our authoring tool can adjust the properties of visual, sound, and haptic feedback at the same time for more practical prototyping. Also the proposed modulated architecture can be applied flexibly to changes of platforms or hardware. Also user interfaces can be dynamically updated by changing just description files. finally, the suggested authoring methods exploit the advantages of both graphical and tangible user interfaces. Authors can intuitively make adjustments to many parameters using the TUI, and then they can do the same thing precisely using the GVI. The proposed authoring methods can be used for exhibition and entertainment contents using multi-sensory feedback in AR environment. As a future work, qualitative and quantitative usability test will be conducted.

• Fashion & Textile Research Journal
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• v.7 no.3
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• pp.283-290
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• 2005

The purpose of this study was to investigate the shopping condition of Dongdaemoon Shoppingmall. A depth interview was administered to eight consumers aged 10s through 30s who had shopping experiences at Dongdaemoon Shoppingmall. The contents of interview were about the reasons of preference for Dongdaemoon Shoppingmall, the merchandise categories purchased, assortment, price, shopping environment, and service offered by Dongdaemoon Shoppingmall. The results of this study were as follows: The reasons of consumers' Dongdaemoon Shoppingmall preference were reasonable price, variety of merchandise assortment, easy catch of fashion trend, entertainment place, and opening hour at nighttime. The mainly purchased items were casual and fashionable clothes. Children's wear was mainly bought item by housewives too. The unique design, similar merchandises sold at department stores and new style in early adoption of fashion cycle were perceived as positive aspects, but copied merchandises and large quantity of same merchandise as negative aspects. The fixed price system was not trusted by consumers. Consumers' complaints about shopping condition were crowded pathways and shopping booths, the lacks of facilities such as fitting room, toilet, lounge area, sales persons' service, and difficulty of using credit cards. From these results, some implications for marketing strategies and practices might be suggested. In order to improve the design variety of merchandises, marketers and apparel manufacturers should make efforts by managing merchandise planning, production, selling, and promotion cooperatively. Fixed price system, acceptance of credit cards, and merchandise return/exchange service should be improved. The training the salespersons was the most important and basic step and easy way to get to successful business.

• International Commerce and Information Review
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• v.9 no.2
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• pp.103-120
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• 2007

The knowledge based economy requires more and more people to learn new knowledge and skills in a timely and effective manner. These needs and new technology such as computer and Internet are fueling a transition in e-learning. According to specialist's opinion, imagination experience studying is generalized, and learning environment that language barrier by studying, multi-language studying Machine that experience past things that disappear through simulation, and travel area, and experience future changed state disappears is forecasting to come. This is previewing finally that it may become future education that education and IT, element of entertainment is combined. Already, became story that argument for party satellite of e-Learning existence passes one season already. e-Learning is utilized already in all educations that we touch by effectiveness by corporation's competitive power improvement and implement of lifelong education in educational institutions through present e-Learning. It is obvious that when see from our viewpoint which is defining e-Learning by one industry and rear by application to education as well as one new growth power about these, e-Learning industry becomes very important means that can solve dilemma of growth real form. Only, special quality of digital industry that e-Learning is being same with other digital industry and repeat putting out a fire rapidly, and is repeating sudden change that these evolution is not gradual growth of accumulation and improvement of technology that is appearing consider need to. In the meantime, we need to observe about evolution of Information Technology. Because there is some scholars who e-Learning's concept foresees to evolve by u-Learning.(although, a person who see that these concept is not more in marketing terminology by some scholars' opinion is). This u-Learning's concept means e-Learning that take advantage of ubiquitous technology as Ubiquitous-Learning's curtailment speech. Ubiquitous, user means Information-Communication surrounding that can connect to network freely regardless of place without feeling network or computer. There is controversy about introduction time regarding these direction, but e-Learning is judged to evolve by u-Learning necessarily. Because keep in step and age that study all contents that learner wants under environment of 3A (any time, any whrer, any device) by individual order thoroughly is foreseen to come in ubiquitous learning environment that approach more festinately.

• Journal of Advanced Navigation Technology
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• v.21 no.3
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• pp.294-299
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• 2017

Home network service is evolving into a service that can receive contents such as remote education, home automation, remote meter reading and various entertainment anytime and anywhere by connecting all household appliances in home with wired and wireless network. In this paper, an intelligent home gateway installed at home is connected to the mobile communication terminal from the outside to solve the problems of the existing home network and configure and maintain a more efficient and comfortable home network environment for the user, In the window, the login page is activated to confirm the user access authority, and the user proceeds the authentication procedure through own login information. When the normal authentication procedure is performed, the intelligent home gateway maintains only the network connection with the user, and the user presents the intelligent home network system using the RFID which is accessed by the intelligent home network system.