• Title/Summary/Keyword: Social and Economic Performance

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A Study on the Forecasting Model of the Required Cost for the Long-term Repair Plan in Apartment housings (공동주택의 장기수선계획 소요비용 예측모델 연구)

  • Lee, Kang-Hee;Yoo, Uoo-Sang;Chae, Chang-U
    • KIEAE Journal
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    • v.11 no.3
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    • pp.63-68
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    • 2011
  • Building deterioration would be proceeded by various causes such as physical, social, economic degradation. The deterioration would be inevitably prevented or delayed to get the decent function and performance in various building part and components. The maintenance and management are continued to provide the decent living condition for the household. The maintenance means mainly a repair, including the on-time and longterm plan. The longterm repair would be conducted by the systemic preparation in management activity and a required cost. Therefore, the annual due for the longterm repair plan is important to prepare the repair cost in a required time. In this paper, it aimed at analyzing the longterm repair cost and modelling to forecast the required cost in total area, number of household and time elapse in apartment housing. The estimation model of a repair cost is used with a power function which has a good statistics. Results of this study are shown that the sample has a longterm repair due in a $2,032won/m^2{\cdot}yr$ averagely which is higher than $912won/m^2{\cdot}yr$ in domestic. Second, the longterm repair due is proportionally correlated with the time elapse in both a total area and the number of household. Third, the estimation model for the longterm repair amount is suitable for the power function which is most in any other estimation models. Fourth, the ration of the longterm plan repair due a year to the cumulated longterm amount is about 26%.

Analysis of Accepters' Attitudes toward the Board of Directors System of Fisheries Cooperatives (단위수산업협동조합의 이사회제도에 대한 수용자태도분석)

  • Jung Man-Hwa;Choe Jung-Yoon
    • The Journal of Fisheries Business Administration
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    • v.36 no.3 s.69
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    • pp.37-63
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    • 2005
  • According to the Fisheries Cooperative Law, the Fisheries Cooperative has made a substantial contribution to the development of Korea's fisheries industry amid the nation's rapid economic growth and drastic social changes since its establishment in April 1st 1962, It is, however, generally believed that the cooperative has made a poor performance in improving its business constitution. Therefore, the reform of its board of director system is one of the ways to strengthen the constitution. For the purpose of making the board of director system to operate rationally, this dissertation is divided into five chapters. Chapter I provides an overview of this study, such as research background and objectives. Chapter II focuses on the Fisheries Cooperative's board of director: its function, composition, and election. Chapter III analyzes the responses of the Fisheries cooperatives to questionnaires about the board of director system, and subsequently presents the causes and the meaning of the analysis results. Chapter IV deals with the various ways to improve the Fisheries Cooperative's board of director system, including director and cooperative governance. Finally, Chapter V draws a conclusion of this study. The independent function of the Cooperative's board of director and responsible directorship is one of the most important factors which can prevent the Cooperative from insolvency. Unlike the past, not only it has become difficult to keep the Cooperative's business under the government's support, but also the Cooperative itself is now facing a situation where the support from the government cannot be expected. This ist he reason why the Cooperative should manage itself autonomously, workout its organization, and respond to the current situation with a renovativemanagement and business strategy. Therefore, a rational operation of the board of director is urgently needed.

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Analysis of Potentioal Risk of Tuberculosis Using Socioeconomic Indicators - Focused on 8 Cities in Chungcheongnam-do - (사회·경제적 지표를 활용한 결핵의 잠재적 위험도 분석 - 충청남도 8개 시를 대상으로-)

  • Park, Keunoh
    • Journal of the Society of Disaster Information
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    • v.17 no.1
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    • pp.68-80
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    • 2021
  • Purpose: In this study, potential demographic, social, and economic factors causing tuberculosis were identified, and eight cities in South Chungcheong Province were compared and analyzed with the IPA method. Method: The factors potentially affecting the prevalence of tuberculosis were categorized demographically, socially, and economically, and selected through brainstorming. Furthermore, potential factors affecting tuberculosis were derived using the revised IPA. Based on this analysis, areas with a potential risk of tuberculosis were classified, and the following policy implications were suggested. Result: The analysis found the three cities of Nonsan, Boryeong, and Gongju to have the highest potential risk of tuberculosis, and the frequency of potential risk factors in the above three cities to be 6 or more. Thus, an urgent policy response to prevent tuberculosis in these regions is required. Conclusion: According to the results of this study, it is necessary to take potential risk factors into account when promoting tuberculosis prevention policies and projects in South Chungcheong Province.

Classifying the severity of pedestrian accidents using ensemble machine learning algorithms: A case study of Daejeon City (앙상블 학습기법을 활용한 보행자 교통사고 심각도 분류: 대전시 사례를 중심으로)

  • Kang, Heungsik;Noh, Myounggyu
    • Journal of Digital Convergence
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    • v.20 no.5
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    • pp.39-46
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    • 2022
  • As the link between traffic accidents and social and economic losses has been confirmed, there is a growing interest in developing safety policies based on crash data and a need for countermeasures to reduce severe crash outcomes such as severe injuries and fatalities. In this study, we select Daejeon city where the relative proportion of fatal crashes is high, as a case study region and focus on the severity of pedestrian crashes. After a series of data manipulation process, we run machine learning algorithms for the optimal model selection and variable identification. Of nine algorithms applied, AdaBoost and Random Forest (ensemble based ones) outperform others in terms of performance metrics. Based on the results, we identify major influential factors (i.e., the age of pedestrian as 70s or 20s, pedestrian crossing) on pedestrian crashes in Daejeon, and suggest them as measures for reducing severe outcomes.

A Study on the Environmental Assessment Criteria for Designation of Conservation Zones in Urban Area (환경성 평가시 도시보전용도지역 확보기준에 관한 연구)

  • Lee, Sang-Moon;Jeon, Young-Ok
    • Journal of Environmental Impact Assessment
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    • v.14 no.6
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    • pp.403-413
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    • 2005
  • The environmental conservation-targeted zoning in urban planning process has been functioned as securing a ecological core in urban green spaces management. Hence, the designation of conservation zones in land use planning is considered as a key task to achieve the sustainability of urban planning. The recently introduced pre-environmental review system for the proposed urban plan, by which the conservative measures for urban ecosystem and landscape are suggested in aspect of environmental impact mitigation, has played an active role in enhancing the environmental performance degraded by wide range of development pressure. This study is aimed at drawing out of objective criteria for designation of environmental conservation zones, which can be applied to urban planning establishment and also to environmental assessment process. To achieve this goal, the study adopted the following methods; pre-study review, analysis of existing official opinion statements released by the Ministry of Environment, contents analysis of related laws, and experts' panel discussions on the finally arranged criteria. The results of this research can be summarized as follows: First, the total criteria of 48 are drown out with categorizing into environment-ecological and socio-cultural sectosr. Second, the environment-ecological part is composed of 33 criteria such as vegetation, animal, geomorphology, watershed, environmental land suitability, and etc. Here, the Degree of Ecological Function, Degree of Environmental Land Suitability, and Vegetation Map are mainly utilized. Third, the 15 socio-cultural criteria relating to the history, social ecology and landscape have such components as forest around relics, Seo-won(school), castle, tomb, landmark, skyline, natural landscape, and etc. Forth, these individual criteria can be applied to designation of each conservation zones among total of 11 conservation areas(or districts).

A Study on the Customer Segmentation and Performance by Medical Service Experience : Focusing on the Relational Benefits (의료서비스 경험에 의한 고객세분화와 성과에 관한 연구: 병원-고객 간의 관계혜택을 중심으로)

  • Park, Gwijeong
    • Journal of the Korea Convergence Society
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    • v.9 no.9
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    • pp.371-378
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    • 2018
  • The purpose of this study is to classify the customers according to the characteristics of the relational benefits and to compare the performances of the sub-groups. As a result of the research, the group type according to the relational benefits was subdivided into 3 groups, and each group was named emotional relational group, continuous relational group and intermittent relational group considering customer characteristics. First, the emotional relational group is the group that emphasizes the empathy and assurance between the service provider and the customer, and the continuous relational group is the group with the highest social, confidence and economic benefits. The intermittent relational group was simply a transaction-oriented group. This implies that a differentiated customer management strategy is needed for each relational benefit group based on customer experience in medical services.

Design and Implementation of Local Forest Fire Monitoring and Situational Response Platform Using UAV with Multi-Sensor (무인기 탑재 다중 센서 기반 국지 산불 감시 및 상황 대응 플랫폼 설계 및 구현)

  • Shin, Won-Jae;Lee, Yong-Tae
    • The Journal of Korea Institute of Information, Electronics, and Communication Technology
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    • v.10 no.6
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    • pp.626-632
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    • 2017
  • Since natural disaster occurs increasingly and becomes complicated, it causes deaths, disappearances, and damage to property. As a result, there is a growing interest in the development of ICT-based natural disaster response technology which can minimize economic and social losses. In this letter, we introduce the main functions of the forest fire management platform by using images from an UAV. In addition, we propose a disaster image analysis technology based on the deep learning which is a key element technology for disaster detection. The proposed deep learning based disaster image analysis learns repeatedly generated images from the past, then it is possible to detect the disaster situation of forest-fire similar to a person. The validity of the proposed method is verified through the experimental performance of the proposed disaster image analysis technique.

Assessment of Geosynthetic Soilbag Method to Restore the Roadbed of Railway (철도노반 복구를 위한 토목섬유 Soilbag 공법의 적용성 평가)

  • Hwang, Seon-Keun;Koh, Tae-Hoon;Park, Sung-Hyun
    • Journal of the Korean Society of Hazard Mitigation
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    • v.4 no.1 s.12
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    • pp.65-75
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    • 2004
  • Roadbed failure due to the natural disaster may bring out social and economic damage such as the loss of life and property, the consumption of time and cost for recovery, and the delay of logistics in railway In this study, the method using geosynthetic soilbag was applied to rehabilitation of the railway roadbed which was failed by disaster. The full scale tests with the simulated train loading were performed in order to evaluate the static and dynamic performance at the railway roadbed using geosynthetic soilbag. The results of these tests were compared with unreinforced and reinforced cases with geosynthetic soilbag, respectively The data gathered by various measurement devices from these full scale tests would be useful to evaluate and understand the roadbed with geosynthetic soilbag. In conclusion, geosynthetic soilbag was evaluated as a permanent restoration method to reinforce the roadbed of railway.

Factors Affecting Duration of Relationship between Exporters and Importers (수출입 업자간의 거래 지속에 영향을 미치는 관계특성에 대한 연구)

  • Lee, Hyoung-Tark;Lee, Dong-Jin
    • Journal of Global Scholars of Marketing Science
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    • v.15 no.2
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    • pp.161-182
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    • 2005
  • This paper reports on a study testing a model that articulates factors affecting duration of the relationship between exporters and importers. The model posits that affective commitment and calculative commitment influence duration of the relationship. Affective commitment of an importer toward an exporter is hypothesized to be predicted by social satisfaction, which in turn may be predicted by cultural familiarity, perceived similarity, and credibility. In contrast, calculative commitment is hypothesized to be predicted by economic satisfaction, which in turn may be predicted by opportunism and relationship performance. A survey of importers was conducted to test the model. The study results provided support for most of the hypotheses. Theoretical and managerial implications of the study results are discussed too.

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An Actor-Network Theory Approach to Korean Flower Auctions (화훼시장 경매에 대한 행위자-연결망 이론적 접근)

  • JIN, Bo-ra;KIM, Eun-sung
    • Journal of Science and Technology Studies
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    • v.19 no.2
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    • pp.1-40
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    • 2019
  • Built upon ethnographic method such as participant observation and in-depth interview, this study analyzes the material culture of electronic flower auctions at Yangjae Flower Market. From the viewpoint of Actor-Network Theory(ANT), this research examines how human actors like dealers and auctioneers interact with nonhuman actors such as market devices and these interactions form networks called "agencement." This research is focused on three main objectives: first, to study how the performance of auctions - i.e. the interactions between auctioneers and dealers - change in the wake of new market devices in the auctions; secondly, to look into what changes artifacts bring to the social relationships between auctioneers and dealers; lastly, to analyze the influence of new market devices on auction price in the market. The results of this research are as follows. First, the appearance of new market devices generates changes in the performance of auctions, which means the change of 'agencement' of flower auctions. Direct interactions between auctioneers and dealers turned into indirect interactions through new market devices. Moreover, the changes in the agencement brought changes to the identity of auctioneers and dealers. Secondly, the new agencement caused by the inflow of new market devices formed the trust between the devices and human actors, which gave rise to the trust in electronic auction and in counterpart actors as well. In addition, new market devices lowered direct interactions between auctioneers and dealers and thus made more equal relationships between the two than before. Lastly, market devices like trading screen reduced the leverage of auctioneers by providing dealers with bidding information previously possessed by auctioneers much openly and dealers were able to decide auction prices in more reasonable and dispassionate manner. Economic agency, power, trust, price, and information in the market is material and sensory.