• Journal of Information Technology Services
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• v.20 no.5
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• pp.159-176
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• 2021

In this study, we performed a comparative analysis of the sentiment value for the tourists in USA, China, and Korea on the COVID19 pandemic era to explore and find out the features of the tourists by using online reviews. We collected a total of 243,826 online hotel reviews for metropolitan city and vacation spot in the three countries to compare the features between the business and the vacation trips. We collected the online reviews into the tow groups from Jan. 1, 2019 to Nov. 31, 2019 for before COVID19 pandemic and from Apr. 1, 2020 to Deb 28, 2021 for during COVID19. Online reviews were categorized into 6 dimensions using LDA model. Sentiment analysis were presented for 6 dimensions by utilizing a lexicon base. We proposed an approach to analyzing the importance of each attribute by applying 6-dimensional sentiment values to conjoint analysis. Our empirical analysis showed that the proposed approach could explore and find out the changed features of travelers during the COVID19 pandemic.

• Journal of Radiation Industry
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• v.17 no.4
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• pp.437-442
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• 2023

This study conducted a comparative analysis of dose evaluations for ingestion of animal products based on data from nuclear power plants in the Republic of Korea, using methodologies from the Republic of Korea, 'IAEA TRS-472', and 'CSA N288.1:14'. The research focused on tritium, the most significant constituent among the gaseous and liquid radioactive emissions. The combined evaluation of tritium, in the form of tritiated water (HTO) and organically bound tritium (OBT), yielded results of 1.143 μSv y^-1 for the Republic of Korea, 0.965μSv y^-1 for 'TRS-472', and 0.886μSv y^-1 for 'N288.1:14'. Despite the Republic of Korea's guidelines not considering OBT, the evaluation results for the Republic of Korea were higher compared to other methodologies. This discrepancy was attributed to the unique approach of not considering the moisture content per individual in the calculations of plant and feed concentration in the Republic of Korea and the simultaneous consideration of specific-activity model and transfer model. The study highlights the necessity of developing dose evaluation models tailored to regional characteristics and underscores the importance of including OBT in these evaluations.

• International Journal of Internet, Broadcasting and Communication
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• v.16 no.3
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• pp.221-227
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• 2024

In autonomous navigation systems, the need for fast and accurate image processing using deep learning and advanced sensor technologies is paramount. These systems rely heavily on the ability to process and interpret visual data swiftly and precisely to ensure safe and efficient navigation. Despite the critical importance of such capabilities, there has been a noticeable lack of research specifically focused on ship image classification for maritime applications. This gap highlights the necessity for more in-depth studies in this domain. In this paper, we aim to address this gap by presenting a comprehensive comparative study of ship image classification using two distinct neural network models: the Feedforward Neural Network (FNN) and the Convolutional Neural Network (CNN). Our study involves the application of both models to the task of classifying ship images, utilizing a dataset specifically prepared for this purpose. Through our analysis, we found that the Convolutional Neural Network demonstrates significantly more effective performance in accurately classifying ship images compared to the Feedforward Neural Network. The findings from this research are significant as they can contribute to the advancement of core source technologies for maritime autonomous navigation systems. By leveraging the superior image classification capabilities of convolutional neural networks, we can enhance the accuracy and reliability of these systems. This improvement is crucial for the development of more efficient and safer autonomous maritime operations, ultimately contributing to the broader field of autonomous transportation technology.

• Journal of the Daesoon Academy of Sciences
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• v.40
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• pp.155-185
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• 2022

The purpose of this study is to compare death the Korean Buddhist understanding of death with that of Daesoon Jinrihoe. Various concepts, including reincarnation (輪廻), myeongbu (冥府, 'the postmortem offices' or 'afterworld') and the Ten Kings (十王) of the afterworld are used to explain views on death in both religions. However, these concepts differ not only in their content and categorization, but also in terms of the meaning they occupy within the doctrines of each religion. In other words, although many similarities can be found between Buddhism and Daesoon Jinrihoe's concept of reincarnation, at the same time, differences between them can also be pointed out. The differences include the period of time between one's death and reincarnation and also the importance of reliance upon other people or divine powers during the reincarnation process. With regard to ideas involving myŏngbu, there are far more differences than similarities. Both Buddhism and Daesoon Jinrihoe shares a similar notion of an afterlife judgment presided over by the Ten Kings. However, many differences can be found when it comes to Daesoon Jinrihoe other view of myŏngbu, known as 'myeongbu gongsa (the Reordering Works of Myeongbu).' These works are considered to be of great doctrinal importance in Daesoon Jinrihoe. Therefore, the concepts of reincarnation and myeongbu that appear in both traditions should not be considered identical and need to be redefined accordingly in comparative contexts. In other words, the concepts of reincarnation, myeongbu, and the Ten Kings as they appear in the Daesoon Thought should first be differentiated from their counterparts found in Buddhism and then be redefined in the context of the new and independent system of thought in which they exist. These concepts should then be applied to broader theoretical discourse on religion.

• Journal of the Korean Home Economics Association
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• v.47 no.9
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• pp.27-36
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• 2009

The purpose of this study to gather information on demographic statistics, children’s attachment to their mothers, and daily stress variants in order to assess their effects on child’s self-concept and depression within multi-ethnic familiy settings. A questionnaire survey was used to targeted 3rd, 4th, 5th and 6th graders in elementary schools in Jeonnam. A total of 158 children were surveyed. SPSS for Windows 12.0 was used to carry out descriptive, and comparative statistical analysis such as Cronbach's $\alpha$, correlations analysis, and a hierarchical regression analysis. Result showed that the most significant variant affecting self-concept among children from multi-ethnic families was attachment to their mothers. Other related individual variants were in order of importance, communication skills, feelings of alienation, and mothers’ nationalities. The variant most responsible for having an affect on depression among children from multi-entnic families was the attachment to their mothers. Other related individual variants were in order of importance, feelings of alienation, stress from peer relationships, mothers’ nationalities, and stress from economic and physical environments.

• Journal of Korean Society of Industrial and Systems Engineering
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• v.33 no.4
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• pp.69-78
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• 2010

Multi-criteria ABC inventory classification is one of the most widely employed techniques for efficient inventory control, and it considers more than one criterion for categorizing inventory items into groups of different importance. Recently, Ramanathan (2006) proposed a weighted linear optimization (WLO) model for the problem of multi-criteria ABC inventory classification. The WLO model generates a set of criteria weights for each item and assigns a normalized score to each item for ABC analysis. Although the WLO model is considered to have many advantages, it has a limitation that many items can share the same optimal efficiency score. This limitation can hinder a precise classification of inventory items. To overcome this deficiency, we propose a context-dependent DEA based method for multi-criteria ABC inventory classification problems. In the proposed model, items are first stratified into several efficiency levels, and then the relative attractiveness of each item is measured with respect to less efficient ones. Based on this attractiveness measure, items can be further discriminated in terms of their importance. By a comparative study between the proposed model and the WLO model, we argue that the proposed model can provide a more reasonable and accurate classification of inventory items.

• Journal of Korean Academy of Nursing
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• v.31 no.5
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• pp.759-769
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• 2001

To find the experience about clients with hypertension and to help them to care for themselves in the community. Method: All data was collected from August 1999 to October 1999, through in-depth interviews, observation, and telephone interview with 7 participants who have been diagnosed with hypertension for 1 to 10 years. According to Strauss and Corbin's Methodology, the data was continuously coded into concepts and categories, and then new data was analyzed simultaneously by a constant comparative method. Results: There are 171 concepts, and then they were grouped into 34 the lower categories and 15 to the upper categories. The course of the coping of fear in hypertensive client consisted of 6 processes. The awareness of seriousness was context, and the fear was core phenomenon about the coping experience. We also found that hypertensive clients have 3 patterns, depending on the awareness degree of seriousness and the fear about hypertension. Conclusion: Our nurses should recognize the importance of effective management and seriousness about hypertension, offer clients the importance of family support and the information of etiology, symptoms and signs of hypertension, and provide the correct information on hypertensive medication. We should be able to guide their fear about hypertension to positive self-management, so that they may manage their disease thoroughly and effectively.

• THE INTERNATIONAL COMMERCE & LAW REVIEW
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• v.56
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• pp.57-76
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• 2012

As globalization accelerates and the trade environment rapidly changes, a more prepared trade workforce is required for the business world. The trade department is an important educational institution that educates and trains future trade talent. Thus, in the evolving trade environment, their role has significant implications for the economic growth of Korea. The present paper is a comparative study of the importance of the university education system in terms of the trade work force through the Person-Organization fit (P-O fit) perspective. We observe that the American trade education system is more oriented to meet and reflect the needs from the real world. It contains a support structure through various governmental organizations that offer financial incentives as well as educational opportunities through internships and other hands-on experiences. The trade education systems in universities in Korea are still static by comparison and are recommended to implement changes that will give students more practical exposure to trade. The governmental and business sectors are also encouraged to support universities in achieving these goals through building a strong cooperative network with university trade departments.

• International Journal of Costume and Fashion
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• v.10 no.2
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• pp.15-36
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• 2010

This study aims to examine if a consumer's evaluations of and purchase intentions towards textiles and apparel-related cultural products are influenced by their culture, as indicated by their nationalities. Additionally, several psychological variables, such as novelty-seeking tendency, world-mindedness, and familiarity with Northeast Asian culture were included in the analyses to compare the relative importance of cultural influences with the importance of individual characteristics. To conduct a quantitative analysis, we collected data from 400 female consumers in two countries: 200 from the USA and 200 from China. Key findings showed that, nationality and novelty-seeking were found to have a strong influence on purchase intention when product evaluation variables were not included. Evaluation of appearance and Northeast Asian design emerged highly significant predictors of purchase intention for Korean cultural products, regardless of the product type. Cross cultural comparative research on cultural product evaluations is extremely rare. This study focused on groups of consumers residing in the US and China and asked them to evaluate a series of textiles and apparel-related cultural products produced in Korea.

• Journal of Physiology & Pathology in Korean Medicine
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• v.25 no.3
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• pp.382-388
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• 2011

Traditional Korean Medicine and Taoism think of the importance of a life nurturing for one's health and longevity. However, for a life nurturing, Traditional Korean Medicine aims at a person living up to one's natural life span. Taoism lays importance on ascending up to the sky to be a Taoist hermit with supernatural powers. Therefore, they both differ in the pursuit of their goals and their methods in doing respectively. In this study we have shown similarities and differences in the meaning and ways to practice su-seung-hwa-gang (body water rising and heat falling) which Traditional Korean Medicine and Taoism regard highly as a means of the practice of a life nurturing. Su-seung-hwa-gang is a concept that both Traditional Korean Medicine and Taoism set a high value on and at the same time it is a concrete method of a life nurturing demonstrating the possibility of 'non-disease treatment' through the active efforts of Traditional Korean Medicine.