• Journal of the Korean Society for Library and Information Science
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• v.36 no.4
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• pp.227-244
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• 2002

The purpose of this study lies in analyzing the limitations and weakness of the existing PDL and proposing the principles for the development of a user-oriented PDL. The user group of PDL that we want to develop is university students. To this end, we investigate the information seeking behavior of the sampled user group, especially, their information needs, information use patterns, and information management patterns. Based on the results, we conceptually propose the systems specifications which the university students wish to be included in the PDL.

• Journal of the Korean Society for Library and Information Science
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• v.41 no.1
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• pp.215-230
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• 2007

The study aims at understanding that the precedent information search Patterns of on-line database users compared to non-users have an effect on user satisfaction. The research team analyzed S college students' library system use patterns to evaluate the efficiency of library information services and systems and therefore to diverse factors to improve user satisfaction. The research showed higher satisfaction from on-line system users than non-users. To satisfy user needs the research recommends more devices access methods to information.

• Proceedings of the Korea Information Processing Society Conference
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• 2017.04a
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• pp.914-915
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• 2017

Importance and usage of the recommender system increases with the increase of information. The accuracy of the system recommendation primarily depends on the data. There is a problem in recommender systems, known as cold start problem. The lack of data about new products and users causes the cold start problem, and the system will not be able to give correct recommendation. This paper deals with cold start problem by comparing product specification and the review of the resembled products. The user, who likes the resembled product of the new one has more probability of taking interest in the new product as well. However, if a user disagreed with resembled product due to some reasons which the user mentioned in the reviews. The new product overcomes that issue, so the user will greatly accept the new product. Therefore, the system needs to recommend new product to those users as well, in this way the cold start problem will get resolved.

• Journal of Digital Convergence
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• v.18 no.7
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• pp.149-156
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• 2020

This study investigated the key factors affecting online relational intimacy in the context of SNS. Based on the use and gratification theory, self-presentation, relationship formation and information searching were identified as the main needs of SNS usage. These needs were expected to influence online relational intimacy through user satisfaction, subjective well-being, and disclosing information behaviors. The theoretical framework was validated by a longitudinal method. Hypotheses were tested by using the partial least squares to data from 199 Facebook users. Self-presentation and information searching had a significant impact on both user satisfaction and subjective well-being. However, relationship formation did not significantly affect both user satisfaction and subjective well-being. User satisfaction had a significant direct effect only on online relational intimacy. Subjective well-beings played a significant role in enhancing both disclosing information behaviors and online relational intimacy. Finally, it has been found that disclosing information behaviors are a key factor in enhancing online relational intimacy. The results of this study are expected to provide academic and practical implications for the key antecedents of online relational intimacy.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.7 no.3
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• pp.448-453
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• 2003

Use of wireless LAN limited to special fields in restricted space as enterprises and university networks becomes gradually generalized and its needs are gathering strength. This paper shows transfer modes and structures of 2.400 wireless LAN spreaded at present. And we made experiments on an influence of transmission characteristics and rates of Packet signals in various User's environments and analyzed optimum transmission levels of signals fitted in User's environments.

• Journal of Korea Society of Digital Industry and Information Management
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• v.12 no.2
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• pp.31-39
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• 2016

In this paper planed Virtual Reality user interface that recently hot issue using MVLS(Multipurpose Visual Language System). Proposed system is planed for more with ease approach new type environment system. The point of this system is for more few the number of time of act to get want to result. That is easy build for Virtual Reality environment system that user so far, who did not experience. Also too, application to the environment through Multipurpose Visual Language System based, can be required to increase the case of user of existing applications, not only a simple application infrastructure Virtual Reality. This has the advantage of being able to under Virtual Reality condition the environment for the use of a wide range of applications such as view TV, video and other contents. By using the proposed system, the experience in virtual realities that have not felt during the general public to be able to easily and quickly, virtual reality or 3D Expected to can one step closer to the needs of general and industry.

• Proceedings of the Korean Information Science Society Conference
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• 2010.06a
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• pp.3-4
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• 2010

미래의 스마트 유비쿼터스 컴퓨팅 기반 시스템은 사용자들과 상호작용을 통해 적절한 서비스를 제공이 가능 할 것이다. 사용자 요구(Needs)에 맞는 서비스를 제공하려면 기존의 개발자 중심의 개발보다 사용자의 요구를 반영하는 사용자 중심의 시스템 개발이 필요할 것이다. 이를 위해 이전 논문[1]에서는 사용자 행위 분석 기반 요구 추출방법(User Behavior Analysis Based Needs Extraction Method)을 제안하였다. 본 논문에서는 추출된 사용자의 요구사항을 Fillmore의 Case Grammar을 이용하여 객체 추출 및 모델링 방법을 제안한다.

• Proceedings of the Korea Information Processing Society Conference
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• 2012.04a
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• pp.1247-1250
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• 2012

기존 방법은 Cockburn의 Goal 지향 유스케이스 방법[7]을 이용하여 고객 요구사항을 추출하는 방법을 제안하였다[2]. 그런 방법은 개발자 관점 요구사항으로 사용자의 요구를 충족시키기가 어렵다. 그래서 이 논문에서는 사용자 중심의 소프트웨어 개발 방법론[1,3,4,6]을 적용하여 사용자의 니즈(Needs)에 맞는 사용자 선호도 요구사항을 찾고자 한다. 이러한 요구사항의 Goal 중요도를 측정하여 우선순위를 도출한다. 이는 사용자의 니즈에 맞는 요구사항 결정과 테스트 케이스의 우선순위화가 가능하다. 사례연구로 U-Home 안에서 실내온도 조절에 관한 사용자의 요구를 분석하였다[1].

• Journal of the Korea Society of Computer and Information
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• v.8 no.2
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• pp.8-15
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• 2003

Recently various of information suppliers provide information via WWW so the necessary of search engine grows larger. However the efficiency of most search engines is low comparatively because of using simple pattern match technique between user's query and web document. A specialized search engine returns the specialized information depend on each user's search goal. It is trend to develop specialized search engines in many countries. However, most such engines don't satisfy the user's needs. This paper proposes the specialized search engine for ocean information that uses user's query related with ocean and the association rules in web data mining can prove relation between web documents. So this search engine improved the recall of data and the precision in existent search method.

• Asia pacific journal of information systems
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• v.31 no.2
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• pp.236-256
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• 2021

Online financial technology products are an important consumer finance innovation. While a large body of previous research has focused on initial adoption and consumer willingness to use these products, little research explores the continued use of these products beyond the initial adoption phase. In particular, special attention should be paid to how users' trust and perceptions of privacy and security affect continued use behavior. This paper integrates the expectation confirmation model of information system continuance (ECM-ISC), the information system success model (ISSM) and the security and trust literatures to investigate continued use of online financial technology. To test the research model, we collected 398 valid questionnaires from Ant Credit Pay users. The research results show that system and service quality positively impact users' expectation confirmation, while information quality has no significant impact. Expectation confirmation and perceived usefulness positively affect user satisfaction. Moreover, the user's perception of privacy and security plays a vital role in user satisfaction. Satisfaction and perceived trust jointly promote users' continuance behaviors. Findings of this study indicates the importance of the information system success factors and security factors due to their influence on the continued use of Fintech products. This conclusion has implications for enterprises in improving the product qualities and enhancing the degree of security to meet user needs.