• 한국디자인학회:학술대회논문집
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• 한국디자인학회 2005년도 춘계 학술발표대회 논문집
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• pp.48-49
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• 2005

• 한국디지털정책학회:학술대회논문집
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• 한국디지털정책학회 2003년도 창립학술대회
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• pp.263-273
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• 2003

Recognizing the importance of the database query optimization design methods, we implemented mobile database with mobile program (J2ME) which is a useful database procedures. In doing so, we emphasize the logical query optimization which brings mobile database to performance improvement. The research implies that the suggested mobile program (J2ME) would contribute to the realization of the efficient mobile database as the related technology develops in the future.

• 대한인간공학회지
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• 제28권4호
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• pp.51-59
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• 2009

These days mobile phone which were used mainly by grown-up persons are now widely used among children as well due to new social demands. Despite this trend, existing mobile phones are still being designed and produced according to the taste of people in their 20s and 30s, even the elderly, not satisfying physical, emotional and cognitive characteristics raised by children. This study aimed to extract the design factors of mobile phones for children by reflecting functional factors requested by children and parents in QFD's customer demands. First, functional and design factors requested in mobile phones for children were extracted from existing products and documentary records and some functional factors were selected through a process of integration and omission. The survey research was conducted on children and parents, based on the selected functional factors. Based on the survey research, functional factors were analyzed using AHP, and key functional factors considered by children and parents in mobile phones for children were investigated. Finally, in order to reflect the results in QFD, the correlation between functional factors and design factors was constructed as HOQ through experts' evaluation. The results showed that both children and parents recognized the basic functions such as telephoning, text messaging and phone directory as high priority functional factors, even though the relative importance was different between children and parents. Therefore, it is likely to satisfy the desires of both children and parents by designing mobile phones for children in consideration of design factors such as menu depth, button independence and button arrangement. It is expected that this study will promote experiments on design factors and propose basic data for and guidelines to mobile phone design for children.

• 한국정밀공학회지
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• 제21권9호
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• pp.77-84
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• 2004

The attachment of mobile vehicle is necessary for the automated operation on the inclined or vertical walls of steel structures. Since the vehicle requires attaching devices additionally, its overall efficiency can be reduced by the devices. Therefore, external shapes of mobile vehicles have to be researched to give the effective movement on the vertical face. For the design of mobile vehicle, the guideline has been derived from the modeling of wall-climbing, so that the vehicle should have a specific external shape for vertical movement due to the gravitational force. Hence, some adequate arrangement of attaching device to the mobile vehicle has been presented for the effective movement. In the experiments with four permanent magnetic wheels, a plausible result was achieved as a vertical attaching force of 185.2(N), a friction force of 153.8(N) and a curvature radius of 1.4m. The mobile vehicle should be modified according to the proposed design guideline, and then it could be applied to a specific operation as an appropriate external shape. Also, Further research is recommended on an optimal posture and a moving method in a specific application, as the attaching force of the vehicle can be affected by its posture.

• 패션비즈니스
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• 제21권3호
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• pp.67-79
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• 2017

This study investigated consumers' enjoyment, perceived risks, expected values, and innovativeness factors and the effects of the convenience and personalization of "online to offline" (O2O) fashion mobile commerce on its perceived usefulness, perceived ease of use, and consumers' attitudes and intention to use O2O mobile commerce. A research model was developed using the Technology Acceptance Model (TAM). A mobile survey was conducted through smartphone messengers and SNSs targeting male and female college students in their 20s who are living in the Seoul Metropolitan Area. A total of 192 questionnaire responses were used in the analysis. "Among the consumer characteristics, only enjoyment and expected values were found to make consumers feel that the O2O fashion mobile commerce is useful and easy to use. Among the mobile commerce characteristics, only convenience was found to have significant effects on consumers' perceived usefulness and ease of use regarding O2O fashion mobile commerce. Perceived usefulness was found to have the effects on attitudes as well as intention to use toward O2O mobile commerce. It was shown that positive attitudes toward O2O mobile commerce led to positive use intention toward O2O mobile commerce.

• Journal of Information Science Theory and Practice
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• 제4권3호
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• pp.57-70
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• 2016

Purpose The purpose of the study is to identify the need of a mobile based library information and service delivery system in developing countries, identify the services that are possible to provide with the help of mobile phones and their applications, design a mobile based library information and service delivery system, and identify major challenges regarding mobile based library information and service delivery systems.Design/ Methodology/ Approach The research is exploratory in nature. This paper is based on a review of literature, survey information, and on the author’s own viewpoints. A comprehensive search of scientific literature has been done along with a survey for validating the necessity of designing mobile based library information and service delivery systems. Responses to closed-ended questions in particular on 7-point Likert scales were analyzed using the descriptive analysis techniques of SPSS 20.0 and responses to other closed-ended questions were analyzed using general statistics.Findings The research indicates that users of academic libraries, especially students and faculty members, have a positive notion regarding designing and implementing a mobile based library information and service delivery system. It also reveals user opinions regarding the possible problems associated with the design and implementation of a mobile based library information and service delivery system.Originality The paper explores mobile based library information and service delivery systems for better and faster service provision to its potential users.

• 디지털콘텐츠학회 논문지
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• 제18권7호
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• pp.1227-1237
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• 2017

본 연구는 간사이 공학을 토대로 모바일웹 매거진에 대한 디자인 개선안을 연구하였다. 우선, 설문조사를 통한 요소 분석으로 데이터를 수집한 뒤, 이를 모바일웹 매거진의 모바일 웹 사용자 인터페이스의 디자인 요소와 연결시켜 사용자가 느끼는 감정과 밀접한 디자인 요소를 도출하였다. 도출된 감성 요소를 유니버설디자인의 방법론에 적용하여 도출된 디자인방향대로, '매력있는', '개방적인', '개성있는' 등 각 감성요인과 밀접한 관계가 있는 요소인 슬라이드의 디자인, 텍스트의 배치, 이미지의 비중 등을 개선하여 모바일웹 매거진 디자인 프로토타입에 적용하였다. 전문가 인터뷰를 통해서 제안 설계의 가능성을 확인하였다.

• 한국융합학회논문지
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• 제11권12호
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• pp.31-37
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• 2020

모바일 인터넷의 급속한 발전과 더불어 컴퓨터 게임의 단말이 PC에서 모바일로 점차 바뀌고 아울러 모바일 게임은 많은 사람들이 여가 시간에 삶의 즐거움을 향유하는 절호의 선택이 되고 있다. 최근, 다양한 타입의 모바일 게임 가운데 FPS 타입의 게임 사용자가 큰 폭으로 증가되고 있다. 본문은 도날드 노먼 (Donald Norman)의 《Emotional Design》에 기초하여 중국에서 가장 인기 있는 FPS 게임인 《Game for peace》과 한국에서 가장 인기있는 FPS 게임인 《배틀그라운드》의 인터랙션 디자인을 비교하면서 이 두 게임의 공통점과 차이점을 분석하고 이를 근거로 감정 인터랙션 디자인의 삼차원 이론을 총결산하였다. 삼차원 이론은 본능층과 행동층, 사고층으로 나뉘며 각각 인터렉티브 인터페이스, 인터랙티브 행동, 인터랙티브 체험이 이 두 게임에서의 감정적인 표현이다. 또한 이 이론은 모바일 게임을 비롯한 정보화 산업의 인터랙션 디자인에 조언을 제공한다.

• 한국디자인학회:학술대회논문집
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• 한국디자인학회 2004년도 춘계 학술발표대회 논문집
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• pp.136-137
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• 2004

• 한국디자인학회:학술대회논문집
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• 한국디자인학회 2003년도 가을학술발표대회
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• pp.92-93
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• 2003