• Title/Summary/Keyword: problem analysis

Search Result 16,360, Processing Time 0.045 seconds

Comparison of Domestic and International Government Policies in Pandemic Circumstances and Crises: Based on COVID-19, SARS, MERS (펜데믹 상황시 정부의 대응 정책 비교: 코로나-19, 사스, 메르스를 중심으로)

  • Kim, Suk-Man;Park, Sang-Yong;Lee, Min-Woo;Kang, Chul-Woong
    • Journal of the Korean Society of Physical Medicine
    • /
    • v.16 no.1
    • /
    • pp.123-141
    • /
    • 2021
  • PURPOSE: Focusing on the factors that influence the infectious disease emergency response policy (approached by dividing the factors into health policy management and economic policies), both SARS and MERS cases were based on the legal system, manpower, and budget, but there has not been enough learning from the epidemic. This study focused on infectious disease emergency governance, which various studies have neglected despite its social and academic importance. METHODS: The research is based on an analysis of SARS, MERS, and COVID-19 and compares global policies. In this study, infectious disease emergency governance was divided into health policy management and economic factors. This study focused on planning and leadership before and after the outbreak of infectious diseases and how cooperation was achieved to monitor and respond to infectious diseases successfully. RESULTS and CONCLUSION: The limit of this study was that COVID-19 is a currently ongoing infectious disease with high uncertainty. Because it is an ongoing problem, only some data and statistics are reflected, and many limitations prevent a proper comparison under the same criteria as other infectious diseases. In addition, because continuous changes are expected, there is also room for infectious diseases to develop in a completely different pattern from the current situation, and continuous research must be accompanied in the future.

A Study of Fluid Structure Interaction Analysis and Coating Characteristics of a Two-stage Pressure Reduction Hydrogen Regulator (2단 감압 수소레귤레이터의 연성해석 및 도금특성에 관한 연구)

  • Song, Jae-Wook;KIM, Seung-Mo
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.22 no.1
    • /
    • pp.37-44
    • /
    • 2021
  • In this study, shape design and material selection were carried out for a two-stage pressure-reducing regulator to compensate for the shortcomings of a one-stage mechanical decompression regulator. The shape of the contact surface of the depressurization unit was considered, material was selected, and the shape was designed to compensate for the pulsation and slow response through the two-stage decompression and to solve the problem of high pressure deviation. In terms of airtightness, the deformation amount of TPU showed a small amount of displacement of up to 15.82%. Considering the fact that it is applicable to various hydrogen fuel supply systems by securing universality by applying electronic solenoids to the second pressure reduction, magnetic materials were selected. The hydrogen embrittlement and corrosion resistance were evaluated to verify the plating process. Surface corrosion did not occur in only the case of Cr plating. The elongation during the corrosion process was compared using a tensile test, and there was a difference within 2%.

Attractiveness Valuation of Phenomenal Architectural Aesthetic by Mixing the Fuzzy Logic with Contingent Valuation - Availing the Use Fares of Facility within Nodle Islet Cultural Center as Valuation Scale - (퍼지논리와 가상가치법 혼합을 통한 현상적 건축미의 매력가치 - 노들섬 문화센터 시설이용료를 가치 척도로 -)

  • Lee, Dong-Joo;Ko, Eun-Hyung
    • Journal of the Architectural Institute of Korea Planning & Design
    • /
    • v.34 no.5
    • /
    • pp.3-10
    • /
    • 2018
  • The purpose of this study is to estimate the attractiveness value according to the preference level on architectural aesthetic. This research starts from the concept that aesthetic is phenomenon and from the viewpoint of 'attraction value' which affects goods. Interactive internet surveys were conducted for 500 citizens of Seoul metropolitan city who are potential users of the Nodle Islet Cultural Center. Based on the scenarios and questionnaires with fuzzy models, we have examined the evaluation of architectural aesthetic and monetary willing-to-payment, and estimated the economic value by preference level of architectural aesthetic through linear regression analysis. The main results of the study are as follows: First, the economic value of the Nodle Islet Cultural Center was estimated at ?15,683.43/person. Residents of Seoul metropolitan city were willing to accept the increase in the above-mentioned amount of the facility fares when their preferred works (average 86.81 points) were constructed. (P <0/05) Second, it is confirmed that the economic value increases dramatically as the preference level of architectural aesthetic increases. Third, it is presumed that the infinite valuation of architectural aesthetic and the problem of free riding coexist in the estimation of economic valuation of architectural aesthetic for public buildings. Fourth, by mixing the fuzzy logic with contingent valuation method, starting point bias and no response biases that happened in contingent valuation could be disappeared. bias elimination must be considered seriously because another bias could be happened in full process of the research. The results of this study will serve as a basis for spreading architectural aesthetic value-oriented research from the vague and obscure aesthetic-centered discussion on the existing architectural aesthetic. In addition, it will be an opportunity to draw institutional application and utilization strategy of architectural aesthetic through architectural aesthetic value research.

Investigation into the Effectiveness on Customized Remodeling - Focusing on apartment houses completed during remodeling - (맞춤형 리모델링에 대한 실효성 검증 연구 - 리모델링을 추진중, 완공한 공동주택을 중심으로 -)

  • Yoon, Hyang-Seung;Kim, Gi-Soo
    • Journal of the Architectural Institute of Korea Planning & Design
    • /
    • v.34 no.7
    • /
    • pp.3-12
    • /
    • 2018
  • The present remodeling makes almost no difference from rebuilding as all the building materials are removed remaining frame structure only. And, in case of vertical extension of building, higher construction cost and safety problem occur. The Ministry of Land, Transport and Maritime Affairs, therefore, recommends customized remodeling that can be made in light of the resident' needs such as parking lot, elevator, bathroom, and room for the alternative of remodeling of vertical extension of building. The purpose of this study is to present real data that can be referred to the constructor's decision making before starting the remodeling, by investigating and analyzing the weight and importance between evaluation factors for customized remodeling at the completed time of remodeling. Accordingly, the factors were divided into environmental factor, social factor, and economical factor, and the survey was performed for the residents living in remodeling houses. In addition, for the professionals, AHP (Analytic Hierarchy Process) has been carried out for the priority in the customized remodeling. For environmental factor, the level of importance made difference from that before remodeling, except parking level. For social factor, every item, including psychological satisfaction and community satisfaction, made difference. For economical factor, the recognition level of importance in rent made difference, except sale price of the factor for price satisfaction. In case of the factor for cost satisfaction, it was checked that construction cost and administration cost both could be considered important. As a result of AHP, the most importantly emphasized item was construction cost, and sale price, administration cost, residence structure, and parking lot were followed by priority in order. This study could contribute to reliably settle down customized remodeling by giving reasonable and substantial help from the analysis of the differences in the customized remodeling items before/after the remodeling.

Causes and Effects of Conflict Arising from Public Pedestrian Passages in an Apartment Complex - Based on a Survey of Residents living in an Apartment Complex - (공동주택 단지 내 공공보행통로의 갈등 요인과 영향 - 공동주택 거주민의 인식조사를 바탕으로 -)

  • Lee, Seung-Ji
    • Journal of the Architectural Institute of Korea Planning & Design
    • /
    • v.34 no.12
    • /
    • pp.95-102
    • /
    • 2018
  • The purpose of this study is to investigate the causes of conflict that arise from public pedestrian passages installed in apartment complexes through a survey of residents' perceptions and to investigate the effects on the satisfaction with and necessity of the public pedestrian passage. This has significance as a preliminary research into determining solutions to conflict related to public pedestrian passages that are open spaces, accessible 24 hours a day to pedestrians including people who live outside of the apartment complex. The result of the residents' perception survey showed that there is conflict due to the public pedestrian passage. The main problem was the noise-related variables. While management and safety variables were also perceived as problems, privacy and ownership infringement variables were not. These problems were reduced to four factors through a factor analysis: unfavorable incidents, environment management, ownership infringement, and safety crimes. Analyzing the effects of the above factors on the satisfaction with the apartment complex, satisfaction with the public pedestrian passage and the necessity of the public pedestrian passage, demonstrated that the unfavorable incidents factor influenced all the variables. The safety crimes factor, which is an extended concept of the unfavorable incidents, affected both the satisfaction and necessity of the public pedestrian passage. The ownership infringement factor was found to affect the satisfaction of the public pedestrian passage only, and the environment management factor did not affect all the variables. In planning and managing public pedestrian passages, avoiding incidents and crimes should be considered as a priority to increase the satisfaction of residents and solve conflicts.

The Experiences of Virtual Reality-based Simulation in Nursing Students (간호대학생의 가상현실 시뮬레이션 실습 경험)

  • Lee, Soon Hee;Chung, Seung Eun
    • The Journal of the Convergence on Culture Technology
    • /
    • v.7 no.1
    • /
    • pp.151-161
    • /
    • 2021
  • This study is a descriptive qualitative study to understand the virtual reality-based simulation experiences of nursing students. The study recruited 53 students who conducted virtual reality-based simulation while attending the course of Adult Nursing I and II in the third year of the department of nursing at a university. The data was analyzed using a content analysis method from a reflection journal created anonymously by students. The results emerged 5 categories and 12 subcategories. The categories were consisted of "realizing the necessity of nursing competence", "expanding nursing knowledge", "receiving safety psychologically", "thinking focused on problem" and "getting satisfaction". It suggests that virtual reality online program can have a positive effect on thoughts and expansion of knowledge in a safe educational environment. Therefore, it needs to develop various contents for the virtual reality education and training.

A Preference of Smartphone Locking Algorithms Using Delphi and AHP (Aanalytic Hierarchy Process) (델파이와 계층분석기법을 이용한 스마트폰 잠금 알고리즘 선호도 분석)

  • Nam, Soo-Tai;Shin, Seong-Yoon;Jin, Chan-Yong
    • Journal of the Korea Institute of Information and Communication Engineering
    • /
    • v.23 no.10
    • /
    • pp.1228-1233
    • /
    • 2019
  • Recently, a variety of algorithms using encryption technology have been adopted as methods of unlocking smartphone. It is advancing toward the direction to solve the unlocking problem through human biometrics technology, which has already succeeded in commercializing. These include finger print recognition, face recognition, and iris recognition. In this study, the evaluation items are five algorithms, including finger print recognition, face recognition, iris recognition, pattern recognition, and password input method. Based on the algorithms adopted, the AHP (analytic hierarchy process) technique was used to calculate the preferred priorities for smartphone users. Finger print recognition ( .400) was the top priority for smartphone users. Next, pattern recognition ( .237) was placed in the second priority for smartphone users. Therefore, based on the results of the analysis, the limitations of the study and theoretical implications are suggested.

A Design of Similar Video Recommendation System using Extracted Words in Big Data Cluster (빅데이터 클러스터에서의 추출된 형태소를 이용한 유사 동영상 추천 시스템 설계)

  • Lee, Hyun-Sup;Kim, Jindeog
    • Journal of the Korea Institute of Information and Communication Engineering
    • /
    • v.24 no.2
    • /
    • pp.172-178
    • /
    • 2020
  • In order to recommend contents, the company generally uses collaborative filtering that takes into account both user preferences and video (item) similarities. Such services are primarily intended to facilitate user convenience by leveraging personal preferences such as user search keywords and viewing time. It will also be ranked around the keywords specified in the video. However, there is a limit to analyzing video similarities using limited keywords. In such cases, the problem becomes serious if the specified keyword does not properly reflect the item. In this paper, I would like to propose a system that identifies the characteristics of a video as it is by the system without human intervention, and analyzes and recommends similarities between videos. The proposed system analyzes similarities by taking into account all words (keywords) that have different meanings from training videos, and in such cases, the methods handled by big data clusters are applied because of the large scale of data and operations.

The Effect of Organizational Fairness of Social Welfare Officials on Organizational Commitment: Mediating effect of organizational support recognition (사회복지전담공무원의 조직공정성이 조직몰입에 미치는 영향: 조직지원인식의 매개효과)

  • Kim, Jong Rae;Ham, Hyunjin
    • Journal of Digital Convergence
    • /
    • v.19 no.2
    • /
    • pp.183-193
    • /
    • 2021
  • The purpose of this study was to verify how organizational fairness affects organizational commitment to social welfare officials, and to examine the mediating effect of organizational support. Social welfare officials have tried to find out what factors can be more adapted to the organization and immersed in the organizational aspect, as overwork and poor working conditions are becoming a problem. As the subject and method of the study, a questionnaire survey was conducted on 172 social welfare officials in P and U cities in northern Gyeonggi Province, and analyzed using multiple regression analysis. As a result of the study, organizational fairness of social welfare officials had a positive effect on organizational commitment, and organizational support had a partial mediating effect. Based on the results of this study, administrative and policy implications for the organizational adaptation and commitment of public officials in charge of social welfare were presented.

Exploring the Direction of School Library Assessment (학교도서관 평가의 방향성 탐구)

  • Lee, Jee Yeon;Lee, Yeon Hee
    • Journal of the Korean Society for Library and Information Science
    • /
    • v.55 no.2
    • /
    • pp.227-261
    • /
    • 2021
  • This study aims to analyze the current status of school library assessment and generate discussion points for the development directions of the assessment. Surveys, consulting, and evaluations related to school libraries conducted by the Office of Education, the Ministry of Education, the Ministry of Culture, Sports and Tourism were analyzed using meta-evaluations and in-depth interviews with the school librarians. The analysis revealed problems such as duplication of evaluation by various institutions, no reflection of the national school library development plan, low participation rate due to voluntary nature of the assessment, and lack of the educational evaluation index. The solution to the problem was a school libraries' operation evaluation improvement plan. The plan included the legal evaluation agent specification, the national school library development plan incorporation, inter-agency evaluation network & the case sharing system establishment, and the Office of Education's investigation and consulting cooperation.