• Korean Journal of Agricultural Science
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• v.47 no.4
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• pp.963-978
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• 2020

Earthquakes can induce a large number of landslides and cause very serious property damage and human casualties. There are two issues in study on earthquake-induced landslides: (1) slope stability analysis under seismic loading and (2) debris flow run-out analysis. This study aims to review technical studies related to the development and application of earthquake-induced landslide models (seismic slope stability analysis). Moreover, a pilot application of a physics-based slope stability model to Mt. Umyeon, in Seoul, with several earthquake scenarios was conducted to test regional scale seismic landslide mapping. The earthquake-induced landslide simulation model can be categorized into 1) Pseudo-static model, 2) Newmark's dynamic displacement model and 3) stress-strain model. The Pseudo-static model is preferred for producing seismic landslide hazard maps because it is impossible to verify the dynamic model-based simulation results due to lack of earthquake-induced landslide inventory in Korea. Earthquake scenario-based simulation results show that given dry conditions, unstable slopes begin to occur in parts of upper areas due to the 50-year earthquake magnitude; most of the study area becomes unstable when the earthquake frequency is 200 years. On the other hand, when the soil is in a wet state due to heavy rainfall, many areas are unstable even if no earthquake occurs, and when rainfall and 50-year earthquakes occur simultaneously, most areas appear unstable, as in simulation results based on 100-year earthquakes in dry condition.

• Management & Information Systems Review
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• v.30 no.2
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• pp.27-56
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• 2011

As the importance of small and medium-sized enterprises(SMEs) has increases, it has been accompanied by an increase in the amount research attention paid to the factors contributing to the competitiveness of SMEs. Human resource management(HRM) should be the central themes of the discussion. This study is performed to provide basic and broad information of the current state of HRM in SME as the first step for such an effort. The conditions of HRM and the degree of introduction and utilization of six different HRM practices, incentive regulation, complaints handling system, suggestion system, employment stability system, performance evaluation system, and regular education and training, are analyzed through the data collected form 763 SMEs of four industries in Daegu, Only 2 percent of responding companies had been formed unions, 43% evaluate their employment conditions are difficult. And 39% of the SMEs appraise their human resources are more competitive than those of other companies. The ration of introduction of regular education and training system is highest and that of performance evaluation is lowest among the all responding companies. In addition, employment stability system is found as the most actively utilized HRM practice. The implications of these results and future research directions are suggested.

• Korean Journal of Plant Resources
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• v.21 no.1
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• pp.5-11
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• 2008

This study examined the characteristics of Pinus thunbergii community that forms a windbreak forest around the coast of Gwanmaedo located in Jodo-myeon, Jindo-gun, Jeollanamdo which is located in the south-western areas of Korea from December 2005 to April 2007 and to suggeste the ecological management methods of coastal windbreak areas. P. thunbergii community, a coastal windbreak forest of Gwanmaedo, was classified into disturbance, growth, mixture, stability, and back mountain vegetation according to major companions species and vegetation types. P. thunbergii community of disturbance and growth vegetation needs active management through tree thinning, mowing, weeding out, use of rest space, and felling sick pine trees. P. thunbergii community of mixture, stability, and back mountain vegetation needs active preservation of a coastal windbreak to restore natural vegetation by making a windbreak walk and a forest buffer zone and inducing vegetation succession. Accordingly, in this study, ecological management methods were suggested according to the actual state of distribution by habitat characteristics of coastal windbreak areas such as management of beaches and surrounding area of idle lands, restoration of back wetlands, inhibition of foreign plants, maintenance of diversity of species and habitats, and prevention of aging and spread of damage from insects.

• Journal of the Korea Convergence Society
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• v.9 no.10
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• pp.415-421
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• 2018

The purpose of this study is to analyze the difference of scalp and hair care behaviors according to DiSC behaviors of beauty consumer. For the study, 251 questionnaires were analyzed using the SPSS v.18.0 statistical package program. First, there was statistically significant difference in psychological stability, favorable image, and maintaining state of scalp and hair management according to DiSC behavior type. In case of Shin Jung - hyung (C), psychological stability, Positive images, and maintaining good condition. Second, DiSC and hair management behaviors according to DiSC behaviors showed statistically significant difference in state cognition management and product use management. In the case of cognition type (C) and social type (I) Product use management. The results of this study suggest that hair management awareness and behavior, which is dependent on DiSC behaviors of consumers, are provided as basic data for corporate marketing strategy.

• Molecules and Cells
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• v.19 no.3
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• pp.428-435
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• 2005

This study was carried out to assess the potential of SSR markers for variety identification by comparing SSR markers and morphological traits in tests of distinctiveness, uniformity, and stability (DUS) of pepper (Capsicum annuum L.) varieties. Twenty-seven SSR markers were polymorphic in 66 pepper varieties, revealing a total of 89 alleles. Average polymorphism information content (PIC) value was 0.529, ranging from 0.03 to 0.877. Cluster analysis of the band patterns separated the varieties into three groups corresponding to varietal types. Morphological trait-based clustering showed some degree of similarity to dendrogram topologies based on the SSR index. However, no significance correlation was found between the SSR and morphological data. SSR markers could be used to complement a DUS test of a candidate variety and to select complimentary varieties by pre-screening existing varieties in the context of protecting new varieties of pepper.

• Journal of Korea Port Economic Association
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• v.34 no.2
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• pp.51-68
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• 2018

This paper compares the differences in management performance in the logistics market and analyzes the differences in business characteristics depending on the industry types. In addition, the effects of industry types and business characteristics on management performance are examined. The analysis method used is ANOVA and K-means clustering. The implication of the study are as follows. First, in the logistics market in Japan, there was a difference in management performance among the types of industry. The warehousing service type had the highest profitability and stability among all the industry types. Second, differences in business characteristics by industry types were tested. It was found that offshore cargo transportation type was more capital intensive than the other types. In addition, warehousing service type had higher business leadership and credit transaction than others. Third, industry types and clusters based on business characteristics had a significant impact on management performance through interaction effects. For the profitability variables in detail, other clusters had a significant effect between transportation types(onshore and offshore cargo) and warehousing service type. On the other hand, in stability variables, one cluster was effective in all types, which is a characteristic that lowers both capital intensity and business leadership.

• Korea Journal of Hospital Management
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• v.2 no.1
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• pp.80-95
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• 1997

It has been an issue in the field of hospital management to develope a systematic and comprehensive analysis frame for financial position. This study developed a return on equity(ROE) model that includes the components of financial profitability, activity, stability and growth with reference to that developed in the USA The application of the model was attempted to assess its feasibility using data collected from a general hospital that has long been in the red. The hospital's financial ratio were compared to those of another private hospital in the black and also to the average ratios values of the similar bed-sized hospitals. Factors that cause the financial deficit and the strategies that can help to reorient the management's financial decision-making together with requisite conditions for effective use of the model, were identified. This study concludes that the ROE model can be usefull when effective financial strategies of the private hospitals are to be formulated.

• Journal of Information Processing Systems
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• v.15 no.5
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• pp.1192-1200
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• 2019

Recently, artificial intelligence techniques have been widely used in the computer science field, such as the Internet of Things, big data, cloud computing, and mobile computing. In particular, resource management is of utmost importance for maintaining the quality of services, service-level agreements, and the availability of the system. In this paper, we review and analyze various ways to meet the requirements of cloud resource management based on artificial intelligence. We divide cloud resource management techniques based on artificial intelligence into three categories: fog computing systems, edge-cloud systems, and intelligent cloud computing systems. The aim of the paper is to propose an intelligent resource management scheme that manages mobile resources by monitoring devices' statuses and predicting their future stability based on one of the artificial intelligence techniques. We explore how our proposed resource management scheme can be extended to various cloud-based systems.

• Proceedings of the Korean Institute of Building Construction Conference
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• 2023.05a
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• pp.373-374
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• 2023

Modular construction is a cost-effective and time-saving method of building that involves prefabricating modules in a factory and assembling them on-site. However, effective management factors must be considered at each stage of the process to ensure quality and stability. This study analyzes these management factors and proposes systematic ways to manage them, including construction planning, data management, and quality assurance. Proper management can improve construction quality, shorten construction time, and reduce costs. These stage-specific management factors are crucial for the success of modular construction projects, and further research and efforts are needed to promote its widespread use in the construction market.

• Journal of the Korean Society of Marine Environment & Safety
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• v.25 no.4
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• pp.413-422
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• 2019

Maritime accidents are always accompanied by human/property damages. If management level ship's of icers properly respond to emergency situation in a correct manner based on knowledge required by international conventions, when maritime accidents occur, it will be possible to minimize such human/property damages. To improve the ability to deal with maritime accidents, this study analyze maritime accident cases to identify which competencies ships' officers' were lacking, compared the emergency response competencies required by international conventions, analyzed various emergency management manuals of shipping companies and carried out questionnaire surveys to suggest improvements of emergency response capability for ship's master. Through the analysis of maritime accidents, it was identified that management level ship's officers lacked competencies regarding damage stability and intact stability, and that the training for emergency response required by international conventions had been insuf iciently carried out. In addition, even though emergency management manuals of ships were generally adequate, it has been identified that there were limitations in terms of practical use of emergency response manual. Therefore, based on the questionnaire, this study proposed the expansion of emergency response training required by international conventions based on use of simulators, and the development of guidelines or manuals for effective and efficient response in emergency situations.