• The Journal of the Korea Contents Association
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• v.12 no.11
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• pp.174-182
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• 2012

The purpose of the study is to establish a successful the national tax service electronic document system and suggest an application method by investigating relationships among perceived availability, perceived usefulness and system acceptance suggested by Technology Acceptance Model(TAM). As a result, perceived availability and perceived usefulness were playing roles as mediums on the process of accepting an tax electronic document system, and information quality of the electronic document system turned out to influence on perceived availability and perceived usefulness. And perceived availability turned out to influence on perceived usefulness. This suggests that the more tax officials feel comfortable in using an tax electronic document system, the more useful they perceive it is.

• Journal of the Korean Society for Library and Information Science
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• v.40 no.1
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• pp.77-94
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• 2006

The purpose of this study intends to evaluate the usefulness of the automated cataloging systems. For the purpose. this study investigated theoretical methods for the quality criteria and developed 4 evaluation criteria. Also developed were indicators to measure the value of each criteria And the catalogers of academic libraries using three major LAS were carefully chosen to conduct the usefulness tests. The proposed model was verified reliability and validity. This study is suggested guidelines to evaluate and improve the automated cataloging systems.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.10 no.2
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• pp.447-454
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• 2009

This study investigates to information medium and small enterprises and analyzed how enterprise's integration information system affects to business users. Many medium and small enterprises are introducing and operate new integrated system for latest several years, but it is suffering difficulty in substantial business analysis as unstable system, maintenance and insufficiency of management controls. Therefore, in this study, tried to analyze common problem and solution to enterprise which is operating integration information system stably. Designed study model and research hypothesis to variable of information level, system availability, information availability, information creation level, service availabilities for this analysis. This studγ got conclusion as following. First, If system usefulness, information usefulness, information creation level, service usefulness are high, Analysis result about user business performance appeared very positive effect. Second, Analyzed to which lack a little user realization about information level in details measured variable. This study will be able to become data that is useful in stable system introduction in various field of industry of medium and small enterprises hereafter.

• 한국정보교육학회:학술대회논문집
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• 2008.01a
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• pp.223-227
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• 2008

본 연구는 초등학생들의 사이버 가정학습의 활용 요인들을 살펴봄으로써 학생들을 위한 공교육 서비스로서의 발전 방향을 탐색하고자 하였다. 이를 위해 자료 수집 시스템을 구축하였고, 정보기술수용모형과 관련연구들을 바탕으로 사이버 가정학습의 활용에 미칠 것으로 예상되는 변인들을 추출하였다. 연구 대상은 부산지역의 초등학생 201명이었고, 온라인 설문 시스템을 활용하여 응답결과를 요인분석과 회귀분석 방법을 이용하여 분석하였다. 분석결과 (a) 에듀넷 사용에는 유용성, 미래사용의도 (b) 용이성에는 유용성, 인터넷 효능감, (c) 유용성에는 용이성, 주관적 판단, 재미가 유의미한 영향을 끼치는 것으로 나타났다.

• Journal of the Korean Society for information Management
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• v.23 no.1 s.59
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• pp.261-278
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• 2006

This study aims to evaluate KOLIS-NET system by usefulness testing of 'KOLIS-NET client integrated system' and by usability testing of 'KOLIS-NET web site'. For evaluating the usefulness of the system, we used searching, ease of use, customer support as criteria, and used brainstorming and in-depth interview as evaluation method. On the other hand, for usability testing of the web site, we used cognitive walkthrough. Evaluation results are categorized and represented as page redesign, term consistency, function improvement and new functionality.

• Journal of the Korean Society for Library and Information Science
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• v.46 no.2
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• pp.133-156
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• 2012

This study aims to develop and evaluate the authority data-based academic retrieval system that may provide search tools and additional information for search of academic papers with users. To evaluate the usability of authority data-based academic paper search system, this work studied 60 subjects who had experienced the academic paper service to measure their satisfaction on both search efficiency and system usability and additionally analyzed whether the difference between search efficiency and system availability is significant in the experimental search system among user groups. As a result, the authority data-based academic paper search system was analyzed to show a higher search efficiency and user satisfaction than the ordinary system.

• Proceedings of the Korean Information Science Society Conference
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• 2002.10d
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• pp.205-207
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• 2002

탐색 시스템(Navigation System)의 디자인은 사이트 개발과정 중 가장 까다로운 부분이다 이유는 탐색 시스템의 디자인이 상당히 주관적이고, 유용성(Usability)을 중시하기 때문이다. 따라서, 탐색 시스템은 개발자가 아닌 사용자(User) 입장에서 접근되어야 하고, 이것을 위해서 개발자는 사용자가 무엇을 요구하는지를 알아야만 한다. 본 논문에서는 사용자들이 웹을 이용하는 목적을 토대로 웹사이트를 3가지의 그룹으로 분류함으로써 사용자의 요구를 이해하고, 각각의 그룹에 대해 탐색 시스템의 디자인 가이드를 제시하고자 한다. 이 논문의 내용은 웹사이트 개발자가 탐색 시스템의 유용성을 높이는데 도움을 줄 수 있을 것이다.

• Journal of Convergence for Information Technology
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• v.9 no.4
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• pp.21-27
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• 2019

The ERP System is used as a useful tool for corporate management. The ERP system needs to be researched for continued use, taking into account the mandatory acceptance environment. This study was validated through AMOS 18 by setting up a model that adds variables in the mandatory acceptance environment based on prior studies on factors affecting the intended use of ERP system. Analysis shows that the intended use of ERP system users is significantly influenced by user satisfaction and objective usefulness, and that user satisfaction and objective usefulness are significantly affected by the quality of service quality of service. This study suggests that it is important to make users to feel the usefulness and satisfaction of the system through user's prior knowledge and participation. It also says that there is a need to maintain service quality.

• Information Systems Review
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• v.8 no.3
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• pp.153-174
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• 2006

The purpose of this study is to identify the factors affecting users' continuing use of Hedonic Information Systems(HIS). Focusing on users' post-adoption behaviors, this study proposes a research model which incorporates technology acceptance theory into expectation disconfirmation theory and investigates the causal relationship among five factors; perceived usefulness, perceived ease of use, disconfirmation, user satisfaction, and continuance intention to use a blog as HIS. The results show that satisfaction is significantly influenced by disconfirmation and post expectations(perceived usefulness and perceived ease of use), and in particular the impact of disconfirmation on user satisfaction is stronger than those of perceived usefulness and perceived ease of use. The results also indicate that while perceived usefulness and user satisfaction have significant impacts on continuance intention, perceived ease of use does not do so and has only an indirect impact on continuance intention through perceived usefulness and user satisfaction.

• Proceedings of the Korea Society for Industrial Systems Conference
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• 1999.12a
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• pp.355-372
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• 1999

정보시스템 성과의 척도로서 사용자 만족과 시스템 사용이 널리 사용되고 있다. 사용자 만족은 사용자의 태도, 정보의 질, 시스템의 유용성등 다각적인 차원에서 측정되어 사용되는 반면에 시스템 사용은 이제가지 시스템의 사용시간이나 빈도만으로 측정하여 연구에 활용하였다. 본 연구에서는 시스템의 사용을 기능적 사용, 상황적 사용, 사용빈도 등 다각적인 측면에서 측정하여 시스템 사용과 사용자 만족간의 관계를 밝히고자 하였다. 이를 위해 시스템의 사용과 사용자 만족에 영향을 주는 요인으로 알려진 자기유능감, 지각된 용이성, 지각된 유용성, 컴퓨터 능력, 주관적 규범등이 시스템의 사용에 주는 영향과 그리고 정보 만족과 업무성과에 주는 영향을 설명하는 모델을 제시하고, 이를 실증분석을 통해 모델의 타당성을 제시하였다.