• Journal of Digital Convergence
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• v.11 no.11
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• pp.251-256
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• 2013

In the past, customers utilize a secondhand book market as a major counter for their purchasing used books. With expansion of internet and IT devices, many customers would like to buy their used books in an on-line secondhand book store which has more price competitiveness and ease. Nowadays a new concept off-line secondhand book market which has the advantages of both on-line and off-line is a growing trend instead of existing secondhand book markets in the economic recession. In this study, we established customer service satisfaction for 'Aladin store', which is the advanced concept off-line secondhand book store, with the most typical service quality test technique SERVQUAL. First, we selected appropriate service quality factor for the advanced concept off-line secondhand book market such as Aladin store. After that, we analyzed which factors are influencing repurchase intentions, through customer survey. The conclusion provides the secondhand book store's service quality improvement and strategy toward customer satisfaction including the existing used book stores.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.10 no.8
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• pp.2164-2172
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• 2009

The purpose of the present study was intended to assess fatigue symptoms of nurses working at special part(operating room, intensive care unit, emergency room) and ward in general hospitals, and to reveal its related factors. The self-administered questionnaires were given to 393 nurses employed in 3 participating hospitals located in Daejeon City. As a results, the special part workers had higher scores of fatigue symptoms than the ward workers. Multiple stepwise analysis revealed that the factors of influence on fatigue symptoms in the special part workers included subjective health status, age and job satisfaction, and in the ward workers, the factors of influence on fatigue symptoms included subjective health status, sleep hour, shift work and job satisfaction. In conclusion, the fatigue symptoms were higher in the special part workers than the ward workers, and its related factors were different from two worker groups.

• The Journal of shipping and logistics
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• v.34 no.4
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• pp.615-635
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• 2018

Using data from 2008 to 2017, this study analyzed the financial characteristics of offshore freight shipping companies in Korea, categorized by vessel type, and their impact on business performance. The analysis showed an upward trend in the overall debt ratio of offshore freight transport companies and differences in the financial characteristics of each vessel type as well as the major factors affecting business performance. In particular, the significant factors affecting the ROA performance of the business are the size of business and debt ratio in the LPG line; the growth rate in the bulk line; the size of business, debt ratio, and year in the general freight line; and the size of business, growth rate, entertainment expense rate, debt ratio, and year in the full container line. Therefore, each shipping company needs to recognize differences in key financial factors affecting its performance based on vessel type, implement proactive measures, and diversify its vessel portfolio.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2014.10a
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• pp.131-134
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• 2014

The Internet allows firms to serve customers more effectively than ever before. In the B2C context, we examine the interrelationships among information privacy concerns, e-trust, and e-loyalty. The authors extend prior research by incorporating constructs of information privacy concerns into a more holistic conceptual framework. This study answers three research questions: Will the three components of information privacy concerns have a significant effect on e-loyalty through e-trust?, Does e-trust mediate e-loyalty?, Finally, do switching costs have a moderation effect between e-trust and e-loyalty?, The authors examine data from customers who have booked hotel accommodations online. The results support our hypotheses and confirm both the mediation role of e-trust and the moderation role of switching costs. Conceptually, this study provides an empirical validation of information privacy concerns, e-trust, and loyalty linkage. On the managerial level, this research provides insights into critical drivers of loyalty in the emerging online marketplace.

• Journal of the Korea Convergence Society
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• v.12 no.6
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• pp.99-105
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• 2021

This study investigates, 1) the predicting career attitudes of multicultural youth, 2) the aim was to provide evidence-based data on career and policy development. A survey for a total of 1,335 multicultural youth and data were analyzed by data-mining decision tree with SPSS 23.0. The main findings are as follows. First, female students showed satisfaction in life, self-esteem and support for mothers' career. Second, In boys, self-esteem was the most important. Based on these results, it contains suggestions for career development for multicultural youth.

• The Journal of the Korea Contents Association
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• v.21 no.12
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• pp.536-545
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• 2021

The purpose of this study was to identify the differences of career barriers of multicultural adolescents by family income class. The study also examined the differences of social contextual factors affecting career barriers. A total of 1,265 cases from the sixth wave of Multicultural Adolescents Panel Study was used for the analysis. The main findings are as follows: First, multicultural adolescents showed significant differences in carrier barriers by income class. Second, low-income class adolescents were significantly affected by lack of mother involvement and academic adjustment, and middle-income class were affected by family support, academic adjustment, peer relationships, and adults helping at school. Study findings were discussed in terms of implications for practical intervention on career barriers of multicultural adolescents.

• Journal of the Korea Society of Computer and Information
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• v.27 no.12
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• pp.171-178
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• 2022

In this paper, we propose a classification method according to the type and characteristics of stablecoins for risk analysis, and analyze the risk factors of each stablecoin based on this classification. First, this paper explains the technologies and ecosystem of blockchain and decentralized finance(DeFi) to understand stablecoins. In addition, the operation principle of the major stablecoins currently released and used is explained for each proposed classification type. Based on this, the risk type and risk factors of each stablecoin are derived. The risk types proposed in this paper are classified as defegging, liquidation, and exploit, and the risk factors are classified as depegging due to reliability of operator, depegging due to reliability of algorithm, depegging due to failure of algorithm, liquidation due to high volatilty and oracle attack. Based on the proposed classification, we analyze the risk factors of major stablecoins currently circulating in the crypto market.

• Proceedings of the Korea Water Resources Association Conference
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• 2021.06a
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• pp.464-464
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• 2021

우리나라는 최근 도시지역의 광역화로 인해 시가화 지역이 지속적으로 증가하고 있으며, 이로 인해 증가한 불투수면적은 이수 및 치수 측면에서 다양한 문제를 야기하여 유역의 물순환 체계를 왜곡하고 있다. 더불어 하천의 건천화에 따른 하천 유지유량의 감소 및 공공수역으로 방출되는 오염물질의 증가는 하천의 다양한 환경적, 생태학적 문제를 야기하고 있다. 따라서 최근에는 유역 물순환 관리가 국가 물관리 정책의 핵심 전략으로 부각되고 있으며, 적절한 물순환 관리를 위해서는 물순환 건전성이 취약한 우선관리 유역을 도출하고, 해당 유역을 중심으로 보다 체계적이고 통합적인 유역관리 기술이 필요하다. 따라서 본 연구에서는 유역 물순환에 영향을 미치는 주요 요소들을 기후, 수문, 수질 및 사회·경제적 요인 측면으로 구분하고, Pressure-State-Response (PSR) framework를 적용하여 각 요소 별 주요 평가 지표들을 압력 (Pressure), 상태 (State) 및 반응(Reponse) 요인으로 분류하였다. 또한 전국 소권역 단위에 대하여 각 지표들을 분석하여 기후, 수문, 수질 및 사회·경제적요인 별 물순환 건강성 점수를 산정하였다. 한편, 지역 및 요인별 물순환 건강성 점수를 기반으로 핫스팟 분석 (Hot Spot Analysis)을 수행하여, 통계적으로 유의미한 패턴을 나타내는 지역을 중심으로 우선관리가 필요한 지역을 도출하였다. 본 연구에서 도출한 물순환 건강성 평가 요소별 점수 및 핫스팟 분석 결과는 향후 물순환 우선관리 지역 선정에 있어 기초자료로 활용될 수 있을 것으로 기대된다.

• The Journal of the Convergence on Culture Technology
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• v.9 no.5
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• pp.509-515
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• 2023

Despite the continued development of alternative energies, fuel consumption is increasing. In particular, the price of gasoline fluctuates greatly according to fluctuations in international oil prices. Gas stations adjust their gasoline inventory to respond to gasoline price fluctuations. In this study, news datasets is used to analyze the gasoline consumption patterns through fluctuations of the gasoline inventory. First, collecting news datasets with web crawling. Second, summarizing news datasets using KoBART, which summarizes the Korean text datasets. Finally, preprocessing and deriving the fluctuations factors through N-Gram Language Model and TF-IDF. Through this study, it is possible to analyze and predict gasoline consumption patterns.

• Journal of the Korea Society of Computer and Information
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• v.29 no.6
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• pp.193-200
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• 2024

This study aims to answer the following questions: 'Do university students who are satisfied with their online courses have higher academic achievement?' and 'What are the key self-regulated learning strategy factors that influence satisfaction and academic performance?'. To do this, this study conducted a survey of university students taking online courses and collected a total of 95 questionnaires. Research method used structural equation model. The results of the analysis showed that, First, satisfaction and academic achievement in university online courses were found to be unrelated. Second, the factors affecting satisfaction and academic achievement were found to be different. Time management was analyzed as a significant factor affecting both satisfaction and academic achievement, while interaction was found to affect satisfaction only. These findings can be used as a basis for developing practical policies to prioritize and support self-regulated learning as an effective teaching method in university online courses.