• Journal of the Korea Computer Graphics Society
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• v.30 no.3
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• pp.87-97
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• 2024

This study aims to develop a system that enables users employing PC and VR devices to collaboratively analyze data visualizations in a remote environment. The system provides a task-oriented node-link control interface to aid users in understanding the visualization analysis process and effectively distributing roles. Additionally, it offers a network environment where multiple users can collaborate and receive feedback on visualization analysis even when physically separated. To elucidate the collaborative analysis method implemented in the system, we designed a scenario. Furthermore, we conducted a pilot experiment to evaluate the system's usability with participants majoring in related fields. The experimental results confirmed that users can freely analyze data through easily comprehensible interface manipulations in an extended reality space, and efficiently conduct real-time collaborative analysis in a remote environment.

• Journal of the Health Care and Life Science
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• v.11 no.2
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• pp.351-360
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• 2023

2018 aged patient dataset (HIRA-APS), 33,821 patients admitted to long-term care hospitals were classified by major disease groups to identify the characteristics of medical use and provide effective policy data. First, it is necessary to operate specialized long-term care hospitals such as dementia, rehabilitation, hospice, and recovery specialization tailored to the characteristics of the patient's disease group. Second, the paralysis group, cerebrovascular disease group, and dementia group were the longest LOS and the cognitive impairment group is the longest by patient classification group, requiring medical demand and quality management for long-term patients. Third, the musculoskeletal disease group was the highest normal discharge, and support for the post-discharge home program is required in paralysis and cerebrovascular disease.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.21 no.2
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• pp.268-279
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• 2020

This study was undertaken to identify nursing professionalism perceptions among nursing students who had completed a semester of simulation-based education, and to provide the basis for presenting direction of the simulation curriculum that helps in the emergence of a positive nursing professional in future. Data obtained from focus group interviews of study participants determined 17 semantic categories and 6 themes through the process of identifying, comparing, and categorizing meaningful concepts. The perception of nursing students regarding the profession after simulation-based education include 'realization of professionalism', 'ethics and emotions as professional human subjects', 'cultivation of communication skills', 'integrative thinking for problem solving', and 'foundation', and also the importance of a 'foundational knowledge body' and 'reflection of self-capacity'. The results of this study reflect on 5 intuitional areas of a nursing professional: professional self-concept, social awareness, nursing expertise, nursing room role, and independence of nursing. The results of this study indicate that in order to enable nursing students to experience nursing professional intuition through simulation-based hands-on training, it is necessary to actively revise and apply courses for the development of a positive nursing professional intuition through simulation education.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.15 no.3
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• pp.1531-1540
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• 2014

Since railway industry is becoming important globally, Korea government and private enterprises invest huge amount of R&D expenditure to develop railway technologies. However, ratio of successful commercialization of technology is very limited. establishment strategy of specialized institution for commercializing railway technologies is very important research issue. For example, France and Japan support railway commercialization through the specialized organization in leading the global railway industry. This study propose the critical success factors of the establishment of railway commercialization and suggest relative importance of CSF's through the hierarchical analysis. As a result, the financial resource plan(0.505) and the commercialization strategy(0.193) are important factors at the first level, and the government funding plan(0.220) and the legal/institutional support(0.150) are important factors for the commercialization organization at the second level.

• The Journal of the Korea Contents Association
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• v.19 no.12
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• pp.141-150
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• 2019

The purpose of this study is to explore the necessity and possibility of establishing a research institute for local educational autonomy where the importance and necessity of institution establishment and operation are increasing with the decentralization and educational autonomy. The necessity of establishing a local educational autonomous research institute was examined in terms of both external and internal necessities, and the possibility of establishment in terms of the form of establishment, financial resources, and legal basis. In order to effectively cope with common issues by leading the nation's educational autonomy policy and legal agenda, and to support regional policy research and development by linking and cooperating with regional educational policy research institutes, local educational autonomous research institutes are established. This is an urgent point. Considering the publicity, professionalism, economic feasibility, and stability of specialized research institutes, the form of foundation corporation seems to be appropriate, and, like the case of specialized research institutes in general local autonomy, legal grounds for the establishment of special law should be prepared. In the future, it is necessary to conduct collaborative discussions and academic discussions with the Ministry of Education and the National Council for Superintendents of Education.

• Journal of Digital Convergence
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• v.19 no.5
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• pp.479-488
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• 2021

This study was attempted to investigate the effect of the first clinical practice on the image of nurse and nursing professionalism of nursing students in the COVID-19 situation. The data were collected from 36 nursing college students using a structured questionnaire from June to July 2020 and analyzed by PASW 22.0. After the first clinical practice in the COVID-19 pandemic, the nurse image (t=-2.219, p=.034) and nursing professionalism(t=-3.444, p=.002) increased significantly compared to before practice. Social image (t=-3.113, p=.004), self-concept of the profession(t=-2.442, p=.021), social awareness(t=-3.829, p=.001) and professionalism of nursing(t=-2.299, p=.028) significantly increased after the first clinical practice. After the first clinical practice, nursing professionalism showed a significant positive correlation with image of nurse(r=.831, p<.001). The attitude of nurses to cope with COVID-19 positively influenced nursing students' nurse image and nursing professionalism. Therefore, it is expected that will be used as basic data for preparing educational strategies after COVID-19.

• Journal of the Korea Society of Computer and Information
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• v.13 no.1
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• pp.273-281
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• 2008

In a knowledge-information based society, effective management across IT industries, value of information and interoperation are more important than eyer before. Therefore, ITA/EA which helps to plan and manage IT systematically and effectively, was enacted and announced in 2005 and has been considered as an innovative IT management approach. Unfortunately, however, new standardization of ITA/EA has not fully discussed yet. How to successfully apply EA/ITA to IT is considered as the most urgent challenge and this study aims to find out the most effective method. To this end, it was emphasized that training systems for specialized experts must be operated systematically through 'standardization of terms and tasks' and 'standardization of manpower training' and certification of specialty must be newly established. In addition. it was strongly demanded that dual structure caused by mixed concepts between ITA and EA must be eliminated. At the same time. a new model for domestic standardization was suggested so that not only ITA/EA can be recognized as IT engineering but also professional engineers can accept ITA/EA as a scientific field. In summary, this study is intended to propose how to improve information management efficiency through ITA/EA.

• Journal of Intelligence and Information Systems
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• v.28 no.3
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• pp.185-207
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• 2022

Recently, with the development of deep learning technology, researches to apply a deep learning algorithm to analyze unstructured data such as text and images are being actively conducted. Text classification has been studied for a long time in academia and industry, and various attempts are being performed to utilize data characteristics to improve classification performance. In particular, a hierarchical relationship of labels has been utilized for hierarchical classification. However, the top-down approach mainly used for hierarchical classification has a limitation that misclassification at a higher level blocks the opportunity for correct classification at a lower level. Therefore, in this study, we propose a methodology for classifying hierarchical data using the autoencoder-based deeply supervised network that high-level classification does not block the low-level classification while considering the hierarchical relationship of labels. The proposed methodology adds a main classifier that predicts a low-level label to the autoencoder's latent variable and an auxiliary classifier that predicts a high-level label to the hidden layer of the autoencoder. As a result of experiments on 22,512 academic papers to evaluate the performance of the proposed methodology, it was confirmed that the proposed model showed superior classification accuracy and F1-score compared to the traditional supervised autoencoder and DNN model.

• The Journal of the Korea Contents Association
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• v.14 no.11
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• pp.982-994
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• 2014

The purpose of this study was to find a way to improve the basic learning ability of vocational college students and to develop the examination of learning attitude. This examination can be used at Center for Teaching and Learning as a previous step to find the strategy and effectiveness of learning. The examination of learning attitude which consisted of 33 questions was surveyed by 984 college freshmen. The survey revealed that five factors; effective content arrangement, priority and self-management, Check and improve of study habits, goal setting and implementation, learning plans have high interrelation(.53~.72). Especially, the more positive aptitude for their majors students had, the higher score they achieved in those five factors. According to general characteristics, there was significant difference among five factors. Therefore, if it is considered to run a differentiated Teaching and Learning method individually, it is expected to be more effective learning strategies.

• The Journal of the Korea Contents Association
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• v.5 no.1
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• pp.109-116
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• 2005

This paper is to develop the prototype of a decision making for loan granting system at banks and to evaluate the effectiveness of it. The prototype is called at FENET-LG in this paper. The decision to grant a loan is an unstructured and vagueness task because it is required a tremendous amount of data and many complex relationships among them. Evaluating these many data and relationships is a difficult task even for most experienced decision maker of bank. Therefore, where complex judgement is required, the decision maker of bank may benefit from the use of fuzzy expert network to support the evaluation of ability to pay back. Given the characteristics of decision maker of banking facilities judgement task about ability to pay back, the prototype system named FENET-LG is constructed by integration of fuzzy expert system and neural network. The FENET-LG takes advantage of both the deductive approach of fuzzy expert system and the inductive approach of a neural network to provide a decision aid designed to support and facilitate the process of conducting a judgement of ability to pay back.