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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of Information Technology Applications and Management
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The Korea Database Society
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Volume 23, Issue 2 - Jun 2016
Volume 23, Issue 1 - Mar 2016
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A Study on the Effect of Social Commerce`s Trust-Building on Intention of Continuous Use
Hwang, In-Ho ; Kim, Jin-Soo ;
Journal of Information Technology Applications and Management, volume 23, issue 1, 2016, Pages 1~23
DOI : 10.21219/jitam.2016.23.1.001
Social commerce (s-commerce) is a subset of e-commerce and uses social media for social interactions. Although s-commerce has been rapidly growing, disputes between some s-commerce firms and their consumers often occur over issues such as poor customer services, incorrect product information, and late refunds. In order for s-commerce to continuously grow, s-commerce firms need to build consumer-trust in their transaction process to minimize their consumers` uncertainty. The purpose of this study is to examine the relationships between the multidimensional trust (ability, integrity, benevolence) and the intention of continuous use of s-commerce. Moreover, this study presents antecedent factors needed for trust-building by applying the characteristics of s-commerce, and verifies the relations between the variables. We test and validate the research model and related hypotheses using structural equation modeling based on a survey done on 428 people who have previous experience with s-commerce. The result shows that trust has positive effect on the intention of continuous use, and verifies the necessity of the antecedent factors (social presence, assurance, informativeness, economic feasibility, and seller reputation) for trust-building. This study provides strategy for the continuous growth of s-commerce, and suggests theoretical implication that explains the relationship between the characteristics of s-commerce and consumers.
Individual Dispositions, Resistance to Change and Organizational Empathy in the Hospitality Industry when Change Means Implementation of a New IS
Kim, Soo Kyung ; Lee, Jeonghoon ;
Journal of Information Technology Applications and Management, volume 23, issue 1, 2016, Pages 25~32
DOI : 10.21219/jitam.2016.23.1.025
Using a sample of employees in various hospitality organizations, we proposed that individual disposition such as tolerance for ambiguity, positve affectivity, internal locus of control, and self-efficacy, will influence hospitality employees` resitance to change. The results supported hypotheses. Ultimately, we hope the results of this study provide propoer guidelines with hospitality managers and employees to decrease thiere resistance to change such as new IS implementation and thus increase their willingness to adopt in implementing new IS.
Bayesian Learning through Weight of Listener`s Prefered Music Site for Music Recommender System
Cho, Young Sung ; Moon, Song Chul ;
Journal of Information Technology Applications and Management, volume 23, issue 1, 2016, Pages 33~43
DOI : 10.21219/jitam.2016.23.1.033
Along with the spread of digital music and recent growth in the digital music industry, the demands for music recommender are increasing. These days, listeners have increasingly preferred to digital real-time streamlining and downloading to listen to music because it is convenient and affordable for the listeners to do that. We use Bayesian learning through weight of listener`s prefered music site such as Melon, Billboard, Bugs Music, Soribada, and Gini. We reflect most popular current songs across all genres and styles for music recommender system using user profile. It is necessary for us to make the task of preprocessing of clustering the preference with weight of listener`s preferred music site with popular music charts. We evaluated the proposed system on the data set of music sites to measure its performance. We reported some of the experimental result, which is better performance than the previous system.
Genetic Algorithm based Hybrid Ensemble Model
Min, Sung-Hwan ;
Journal of Information Technology Applications and Management, volume 23, issue 1, 2016, Pages 45~59
DOI : 10.21219/jitam.2016.23.1.045
An ensemble classifier is a method that combines output of multiple classifiers. It has been widely accepted that ensemble classifiers can improve the prediction accuracy. Recently, ensemble techniques have been successfully applied to the bankruptcy prediction. Bagging and random subspace are the most popular ensemble techniques. Bagging and random subspace have proved to be very effective in improving the generalization ability respectively. However, there are few studies which have focused on the integration of bagging and random subspace. In this study, we proposed a new hybrid ensemble model to integrate bagging and random subspace method using genetic algorithm for improving the performance of the model. The proposed model is applied to the bankruptcy prediction for Korean companies and compared with other models in this study. The experimental results showed that the proposed model performs better than the other models such as the single classifier, the original ensemble model and the simple hybrid model.
A Study on the Influencing Factors of Smart-Work Performance
Kang, Yong-Sik ; Kwon, Sun-Dong ;
Journal of Information Technology Applications and Management, volume 23, issue 1, 2016, Pages 61~77
DOI : 10.21219/jitam.2016.23.1.061
This study derived research model about the influencing factors of the successful performance of smart work. Research model is composed of four perspectives: technology perspective like system quality and usage level of information technology, interaction perspective like innovational climate, institutional perspective like personnel evaluation, and individual perspective like self-control. This study collected 155 survey data from K public company and M global software company. As a result of data analysis, all of four perspectives influenced smart work performance. Technology perspective had the strongest effect on smart work performance, the second was institution perspective, the third was interaction perspective, and the last was individual perspective. In conclusion, smart work is not an IT project. We have to reconsider the thinking that just only the introduction of cutting-edge IT increases business performance. Smart work project should be pursued in harmony with institution and climate in the organizational perspective and self-control in the personal perspective. Also, to maximize business performance in smart work environment, organizations should strengthen the positive factors and overcome the negative factors.
Research Trends in Information Security Economics : Focused on Information Systems Journals
Kang, Mi-Hwa ; Kim, Tae-Sung ;
Journal of Information Technology Applications and Management, volume 23, issue 1, 2016, Pages 79~96
DOI : 10.21219/jitam.2016.23.1.079
As numerous security breaches on a variety of information assets such as personal information, corporate secrets, computer servers, and networks have occurred, information security has emerged as a critical social issue. However, researches on economically rational information security decision-making have been few. Such researches are especially rare in South Korea where information security is considered to be a discipline of engineers. This study aims to identify the preferred themes and methodologies of information security economics research in the field of information systems by reviewing papers published in Management Information Systems Quarterly (MISQ), Information Systems Research (ISR), European Journal of Information Systems (EJIS), Management Science (MS), and Information and Management (I&M). We hope that the results of the study will be helpful in rational managerial or policy decision-making for practitioners and suggest future research topics for researchers.
The Influence of Scarcity Message on Customers` Perceived Value, Satisfaction, and Repurchase Intention in the Context of Group-Buying Social Commerce
Choi, Sujeong ;
Journal of Information Technology Applications and Management, volume 23, issue 1, 2016, Pages 97~117
DOI : 10.21219/jitam.2016.23.1.097
Drawing on the theoretical framework of customer value-satisfaction-loyalty, this study examines how scarcity message influences customers` value, satisfaction, and loyalty in the context of group-buying social commerce. Previous studies have argued that scarcity message limiting the avilability of products and service is a source of enhancing customer value. In this regard, this study posits scarcity message as a predictor of customer value. Furthermore, this study classifies customer value into two forms (i.e., utilitarian value and hedonic value) and verfies how scarcity message is associated with them. To test the proposed research model and hypotheses, this study performed structural equation modeling (SEM) analyses, using a total of 292 data collected on users who have experience in purchasing products and service through group-buying social commerce sites such as Coupang, Timon, and WeMakePrice. The key results are as follows : First, scarcity message increases utilitarian and hedonic values and further customer satisfaction. Second, utilitarian value increases customer satisfaction and repurchase intention while hedonic value has nothing to do with them. The findings imply that customers seek to maximize utilitarian value through group-buying social commerce. Finally, this study indicates that repuchase intention depends greatly on customer satisfaction.
An Evaluation Methodology of Information Systems in Business Contingency Planning
Choi, Myeonggil ;
Journal of Information Technology Applications and Management, volume 23, issue 1, 2016, Pages 119~128
DOI : 10.21219/jitam.2016.23.1.119
Growing threats from environments and natural disasters cause information systems to suspend the operation of business. To assure the continuity of business, information systems should not halt in the emergency. This paper suggests an evaluation method for importance of information systems and verifies the method in a real organization. The results to the study can be utilized for establishing business continuity of organizations.