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한국정보시스템학회> 정보시스템연구

정보시스템연구 update

The Journal of Information Systems

  • : 한국정보시스템학회
  • : 사회과학분야  >  경영학
  • : KCI등재
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  • : 연속간행물
  • : 계간
  • : 1229-8476
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수록정보
수록범위 : 1권1호(1992)~28권1호(2019) |수록논문 수 : 773
정보시스템연구
28권1호(2019년 03월) 수록논문
최근 권호 논문
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KCI등재

1온라인리뷰의 랭킹모델링을 위한 양과 질의 인과모형 분석

저자 : 이창용 ( Lee Changyong ) , 김근형 ( Kim Keunhyung )

발행기관 : 한국정보시스템학회 간행물 : 정보시스템연구 28권 1호 발행 연도 : 2019 페이지 : pp. 1-16 (16 pages)

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Purpose
The purpose of this study is to analyze causal relationship between quantity and quality for deriving ranking model of Online reviews. Thus, we propose implications for deriving the ranking model for retrieving Online reviews more effectively.
Design/methodology/approach
We collected Online review from Tripadvisor web sites which might be a kind of world-famous tourism web sites. We transformed the natural text reviews to quantified data which consists of quantified positive opinions, quantified negative opinions, quantified modification opinions, reviews lengths and grade scores by using opinion mining technologies in R package. We executed corelation and regression analysis about the data.
Findings
According to the empirical analysis result, this study confirmed that the review length influenced positive opinion, negative opinion and modification opinion. We also confirmed that negative opinion and modification opinion influenced the grade score.

KCI등재

2인터넷전문은행 서비스의 한중 비교연구: 서비스의 편리성과 사회적 영향 요인을 중심으로

저자 : 주재훈 ( Joo Jaehun ) , 우가인 ( Yu Jiatong )

발행기관 : 한국정보시스템학회 간행물 : 정보시스템연구 28권 1호 발행 연도 : 2019 페이지 : pp. 17-39 (23 pages)

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Purpose
The purpose of the present study is to analyze the factors influencing the intention to use direct bank continuously from the perspective of service rather than technology. Hygiene factors including economic benefits, privacy, and unverified risks, and convenience of service as a motivator were considered as user's satisfaction. A research model integrating the relationships among user's satisfaction, its determinants, social influence, and continuous intention to use direct banks was proposed.
Design/methodology/approach
Structural equation modelling for validating the research model was employed. 253 valid data were collected from users of direct bank service in South Korea and China, and used to test six hypotheses.
Findings
User's satisfaction and social influence were determinants of continuous use intention of direct bank. Convenience of service as a motivator has a significant influence on service satisfaction, while economic benefits, privacy, and unverified risks as hygiene factors have no significant influence on the continuous intention. Managers of direct banks need to implement service differentiation strategies to gain customers' loyalty. Also they seek to find the determinants of social influence. The present study confirmed that there is a big difference between Korea and China in terms of factors affecting the continuous intention to use direct bank.

KCI등재

3개인적·사회적 요인을 고려한 가상 공동체에서의 지식 공유 모형

저자 : 최경선 ( Choi Kyungsun ) , 안현철 ( Ahn Hyunchul )

발행기관 : 한국정보시스템학회 간행물 : 정보시스템연구 28권 1호 발행 연도 : 2019 페이지 : pp. 41-72 (32 pages)

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Purpose
Virtual communities (VCs) are becoming ever more important in these days, sometimes more than offline communities. Notably, they have become significant sources of knowledge sharing. Therefore, in order to foster a VC, it is very important to understand why people share their knowledge in the VC. Under this background, this paper aims at proposing the behavioral model best explains knowledge sharing activities in VCs.
Design/methodology/approach
We basically design our behavioral model for knowledge sharing in VCs based on theory of reasoned action (TRA). However, to understand knowledge sharing in VCs better, we specify knowledge sharing by dividing it into knowledge contribution and knowledge use. Also, instead of 'subjective norm', we adopt 'sense of virtual community (SOVC)' as a main social factor, which has been found to be important in the literature. We also include the antecedents such as 'quality of the shared knowledge', 'trust in community members', 'passion of the community leader', 'reciprocity', and 'self efficacy', which affect VC users'attitude towards knowledge sharing and SOVC. To test the hypotheses in our proposed model, we collected 253 valid surveys from the VC users. Structural equation modeling (SEM) using AMOS 23 is employed to assess the relationships proposed as the hypotheses.
Findings
Major findings are as follows. SOVC positively affects both intention to contribute knowledge and intention to use knowledge. And, trust in community members positively affects the attitude towards knowledge use and SOVC. The attitude towards knowledge use is also affected by the quality of the shared knowledge. Reciprocity is found to strongly positively affect the attitude towards knowledge contribution. However, passion of the community leader and self efficacy are found to have insignificant effect on SOVC and the attitude towards knowledge contribution respectively. Our study sheds a light on how to foster VCs from the perspective of knowledge management.

KCI등재

4개방형 협업 커뮤니케이션 특성과 협업 성과 : 오픈소스 소프트웨어 개발을 중심으로

저자 : 이새롬 ( Lee Saerom ) , 장문경 ( Jang Moonkyoung ) , 백현미 ( Baek Hyunmi )

발행기관 : 한국정보시스템학회 간행물 : 정보시스템연구 28권 1호 발행 연도 : 2019 페이지 : pp. 73-96 (24 pages)

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Purpose
The purpose of this study is to examine the effect of communication-structure characteristics on performance in online collaboration using the data from Github, one of representative open source software development platforms. We analyze the impact of in-degree/out-degree centralization and reciprocity of communication network on collaboration performance in each project. In addition, we investigate the moderating effect of owner types, an individual developer or an organization.
Design/methodology/approach
We collect the data of 838 Github projects, and conduct social network analysis for measuring in-degree/out-degree centralization and reciprocity as independent variables. With these variables, hierarchical regression analysis is employed on the relationship between the characteristics of communication structure and collaborative performance.
Findings
Our results show that for the project owned by an organization, the centralized structure of communication is not associated with the collaboration performance. In addition, the reciprocity is positively related to the collaboration performance. On the other hand, for the project owned by an individual developer, the centralized structure of communication is positively related to the performance, and the reciprocity does not show the positive relationship on the performance.

KCI등재

5딥러닝을 이용한 온라인 리뷰 기반 다속성별 추천 모형 개발

저자 : 이륜경 ( Lee Ryun-kyoung ) , 정남호 ( Chung Namho ) , 홍태호 ( Hong Taeho )

발행기관 : 한국정보시스템학회 간행물 : 정보시스템연구 28권 1호 발행 연도 : 2019 페이지 : pp. 97-114 (18 pages)

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Purpose
The purpose of this study is to deduct the factors for explaining the economic behavior of an Internet user who provides personal information notwithstanding the concern about an invasion of privacy based on the Information Privacy Calculus Theory and Communication Privacy Management Theory.
Design/methodology/approach
This study made a design of the research model by integrating the factors deducted from the computation theory of information privacy with the factors deducted from the management theory of communication privacy on the basis of the Dual-Process Theory.
Findings
According to the empirical analysis result, this study confirmed that the Privacy Concern about forms through the Perceived Privacy Risk derived from the Disposition to value Privacy. In addition, this study confirmed that the behavior of an Internet user involved in personal information offering occurs due to the Perceived Benefits contradicting the Privacy Concern.

KCI등재

6영농형 태양광 발전 시스템 구축 및 활성화 방안 연구

저자 : 조영혁 ( Cho Young Hyeok ) , 조석진 ( Cho Seok Jin ) , 권혁수 ( Kwon Hyug Soo ) , 유동희 ( Yoo Dong Hee )

발행기관 : 한국정보시스템학회 간행물 : 정보시스템연구 28권 1호 발행 연도 : 2019 페이지 : pp. 115-132 (18 pages)

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Purpose The purpose of this study is to explain the agrophotovolatic system built by the Korea South-East Power Company and to propose methods to activate the agrophotovolatic system for the development of the renewable energy industry.
Design/methodology/approach
We conducted a three-step simulation in order to design a photovoltaic module, and we built the agrophotovolatic system based on the results of the simulation. Then, we analyzed the monthly generation of power and the rice harvests produced on farmland using the photovoltaic module. Based on the results of the analysis, we proposed institutional improvements to increase the use of the agrophotovolatic system, and we proposed new business models to increase the participation of farmers and business persons.
Findings
When we compared the agrophotovolastic system with the general photovoltaic system, we found that the agrophotovoltaic system had higher utilization rates and power generation. An analysis of rice produced on farmland using the photovoltaic module showed that more than 80% of the rice produced on general farmland was harvested. We suggested activation plans that involved the revision of the farmland law and the introduction of renewable energy certificate (REC). We also proposed a land lease model and a farmer participation model as two new business models, and we conducted economic evaluations and sensitivity analyses for both models.

KCI등재

7오픈 소스 최적화모형을 이용한 지역단위 전력계획

저자 : 정용주 ( Chung Yong Joo )

발행기관 : 한국정보시스템학회 간행물 : 정보시스템연구 28권 1호 발행 연도 : 2019 페이지 : pp. 133-153 (21 pages)

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Purpose
The purpose of this study is to design a regional electricity planning model rather than the existing single region ones and verify its usefulness. The regional electricity planning model is to determine both electricity distribution among regions and power plant planning at the same time satisfying regional demands and distribution networks.
Design/methodology/approach
This study made a regional electricity planning model by integrating power plant planning and electricity distribution among regions. The regional electricity planning model is formulated into a linear programming problem, and coded and run using the OSeMOSYS, one of open source energy systems.
Findings
According to the empirical analysis result, this study confirmed that the regional electricity planning model proposed in this study deducts the unfairness among regions in view of electricity and green house gas. In addition, the model is expected to be used in evaluating and developing the national policies concerning fine dust and/or green house gas.

KCI등재

8모바일 간편결제 서비스의 지속이용의도에 영향을 미치는 요인에 관한 연구 : 정보시스템 후기수용모델과 가치모델의 통합

저자 : Qu Min , 김은희 ( Kim Eun Hee )

발행기관 : 한국정보시스템학회 간행물 : 정보시스템연구 28권 1호 발행 연도 : 2019 페이지 : pp. 155-181 (27 pages)

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Purpose
As the mobile easy payment service grows fast, competition in the payment service market is getting stronger. On the other hand, there are few studies on the users' utilization results. Therefore, this study explains the continuous use intention of mobile easy payment Services based on PAM and value model.
Design/methodology/approach
This study proposed an extended model by integrating PAM, which is a representative model of continuous use intention in IS field, and value model of mobile field. Also this study empirically tested 298 users who have experience of mobile easy Payment service. The structural equation model was used to verify the research model and hypotheses.
Findings
According to the empirical analysis result, this study verifies that perceived usefulness and satisfaction were determinants of continuous use intention in mobile easy Payment services. Expectation confirmation has been proved to be a positive predictor of satisfaction and perceived usefulness. Also, among the value factors, perceived ease was not a valid predictor of satisfaction, and the remaining factors were positive predictors of satisfaction.

KCI등재

9모바일 게임에 대한 몰입과 만족도에 미치는 영향요인 연구

저자 : 이진형 ( Lee Jin Hyung ) , 김철수 ( Kim Chul Soo )

발행기관 : 한국정보시스템학회 간행물 : 정보시스템연구 28권 1호 발행 연도 : 2019 페이지 : pp. 183-206 (24 pages)

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Purpose
Research purpose is extraction of the factors affecting game flow and satisfaction in mobile game.
Design/methodology/approach
In mobile game, the factors affecting game flow were classified into three parts: mobile game platform characteristics, user cognition characteristics, and user individual characteristics through previous studies for existing online game and mobile game. In the research we extracted the factors as follows: the connectivity, usability, network speed, pleasure, service quality, relatedness, proficiency, self-fulfillment, early adopter tendency, and competitive spirit. Using the factors, we established research model and tested hypotheses empirically.
This survey was conducted five months targeting from teenagers to fifties with mobile game experience. The questionnaire items were reconstructed according to the questionnaires of the present study or those newly developed by the game experts and total 56 items in the literature of Internet game, smartphone game, and mobile game based on the existing literature study respectively.
Findings
According to the analysis result, this study showed that ease of use, enjoyment, self - fulfillment and competitive spirit had a significant influence on user flow and also that service quality, proficiency and competitive spirit had a significant influence on user satisfaction in mobile games.

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