• Title/Summary/Keyword: Support structure

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An Efficient Search Method for High Confidence Association Rules Using CP(Confidence Pattern)-Tree Structure (CP-Tree구조를 이용한 높은 신뢰도를 갖는 연관 규칙의 효율적 탐색 방법)

  • 송한규;김재련
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.25 no.1
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    • pp.1-8
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    • 2002
  • The traditional approaches of association rule mining have relied on high support condition to find interesting rules. However, in some application such as analyzing the web page link and discovering some unusual combinations of some factors that have always caused some disease, we are interested in rules with high confidence that have very low support or need not have high support. In these cases, the traditional algorithms are not suitable since it relies on first satisfying high support. In this paper, we propose a new model, CP(Confidence Pattern)-Tree, to identify high confidence rule between 2-items without support constraint. constraint. In addition, we discuss confidence association rule between two more items without support constraint.

Content Analysis of the Teaching Support Program of the Teaching and Learning Center and Direction of the Teaching Support Platform (교수학습센터의 교수지원 프로그램 컨텐츠 분석 및 교수지원 플랫폼이 나아갈 방향)

  • Cho, Bo-Ram
    • Journal of Digital Convergence
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    • v.18 no.10
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    • pp.1-12
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    • 2020
  • This is a study on the direction of the teaching support program contents analysis and teaching support platform of the teaching and learning center. To this end, in April 2020, a literature study was conducted, an analysis of the current status of teaching support at other universities and K universities, an analysis of professor interviews, and expert verification were conducted. The main research results are as follows. First, as a result of examining the current status of teaching support programs at 24 universities, it was confirmed that special lectures on teaching methods, class consulting, teaching method research meetings, and educational resource rooms were operated as representative programs. Second, the basic structure of the platform is composed of a lecture case sharing bulletin board to enable active exchange of opinions on teaching methods among teachers, a teaching support program application bulletin board to enable application for a teaching method program, and Edu-tech to activate the platform, and a professor support menu. Third, the contents of the teaching support platform were implemented based on the basic structure of the teaching support platform. This study analyzed the contents of the teaching support program and conducted a study to suggest the direction of the teaching support platform to discuss the direction of establishing an effective teaching support platform.

Damage Estimation Method for Jacket-type Support Structure of Offshore Wind Turbine (재킷식 해상풍력터빈 지지구조물의 손상추정기법)

  • Lee, Jong-Won
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.8
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    • pp.64-71
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    • 2017
  • A damage estimation method is presented for jacket-type support structure of offshore wind turbine using a change of modal properties due to damage and committee of neural networks for effective structural health monitoring. For more practical monitoring, it is necessary to monitor the critical and prospective damaged members with a limited number of measurement locations. That is, many data channels and sensors are needed to identify all the members appropriately because the jacket-type support structure has many members. This is inappropriate considering economical and practical health monitoring. Therefore, intensive damage estimation for the critical members using a limited number of the measurement locations is carried out in this study. An analytical model for a jacket-type support structure which can be applied for a 5 MW offshore wind turbine is established, and a training pattern is generated using the numerical simulations. Twenty damage cases are estimated using the proposed method. The identified damage locations and severities agree reasonably well with the exact values and the accuracy of the estimation can be improved by applying the committee of neural networks. A verification experiment is carried out, and the damage arising in 3 damage cases is reasonably identified.

Fabrication of a Dual-structured Biomaterial Combining Collagen and Fibrinogen (콜라겐과 피브리노겐을 합성한 이중구조 생체재료의 제작)

  • Hong-Moon Jung
    • Journal of the Korean Society of Radiology
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    • v.17 no.6
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    • pp.993-999
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    • 2023
  • Bio materials of fibrinogen and collagen are widely used in tissue regeneration engineering. In this study, I aim to create a new dual-structure support using these two materials. Strategically, tissue regeneration takes priority over blood vessel regeneration, so by forming a fibrinogen support that helps blood vessel formation on the outside of the double support and placing collagen, which is more effective in tissue regeneration, in the center, a synergistic effect in new tissue regeneration is expected. Although these two materials have been used interchangeably in previous studies, there has been no report yet on making a support through the formation of a support structure for the core system. Therefore, the core of this study, the double scaffold, is to propose a method for manufacturing a core structure with a collagen scaffold on the inside and fibrinogen on the outside. The experimental results showed that the fibrinogen located on the outside of the scaffold resulted in rapid biodegradation and drug release due to strategic biodegradation of the dual structure scaffold. On the other hand, collagen scaffolds were found to be able to maintain drug release time relatively longer than fibrinogen scaffolds. In conclusion, it is believed that applying the method of creating a double scaffold will have a synergistic effect on defective tissue regeneration.

THE EFFECTS OF COGNITIVE APPRAISAL AND PERCEIVED SOCIAL SUPPORT ON ADOLESCENTS' COPING BEHAVIOR (스트레스에 대한 인지적 평가와 지각된 사회적 지지가 청소년의 대처행동에 미치는 영향)

  • Moon, Sung-Won;Han, Jong-Chul
    • Journal of the Korean Academy of Child and Adolescent Psychiatry
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    • v.7 no.2
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    • pp.233-246
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    • 1996
  • There have been great deal of studies on adult stress but comprehensive studies on adolescent stress are not sufficient. Because adolescents have different developmental tasks from adult's, and because they spend most of their time in a structured environment such as school, the research on adolescent stress is necessary. So, this study empirically investigated the types of stress and coping which students experience and their coping mechanisms in a stressful situation. In this study, perceived social support was considered as stuructural variable, and cognitive appraisal as a process variable, while existing researches tried to explain the coping mechanism only from the viewpoint of structure, or hypothesized the structure variable in the process term. The relation ships between cognitive appraisal and perceived social support on coping behavior were evaluated. Survey on 519 high school students in Seoul showed that cogitive appraisal was a structural variable which varied across the types of stress, and that perceived social support was a structure variable which was independent of the type of stress. Cognitive appraisal was related more to the qualitative process of stress appraisal than coping behavior, and perceived social support was an important structure which influenced both the appraisal process and coping behavior.

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The Research on Constructing Networks into Clusters;Focusing on the networks that support the growth of an enterprise (클러스터 내 성장지원 네트워크 구축에 관한 실증연구;대덕 첨단클러스터 성장지원 네트워크 중심으로)

  • Park, Chang-Hyeon;Park, Jun-Byung
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • v.2 no.4
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    • pp.19-41
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    • 2007
  • This research has a goal which is suggesting the way of constructing 'Cluster' which mean scheming the commencement of an enterprise in an early stage. Now it is reorganized into a IT industry structure 'Time-to market growth' is burst as a big issue. in that point, this research analyze the core success factor which is drawing from the existing IT industrial complex, and then it will be used to draw up to the 'Idealistic growth-support Cluster' on the basis of it, we pulled out various issues about the Corporate in the early stage of its growth. Therefore, this research is focused on presenting the ideal network(net) by considering the Network that organizations and business in Cluster or the network including the factors linked organizations and business in Cluster. therefore, this research carried out three big analysis. from the case investigation we pulled out the core growth factor, and then we approached the analysis of net structure for making application to Network Analysis. and then we analyzed that the characteristics of the Network after measuring by on the basis of analyzing core growth factor. and especailly, this research carried out the Core analysis for recognition of Core- support-frame by base Centrality Test on the net which is composed of growth support organizations at each Business. Judging from this, we can help to make full use of resources for the network analysis in Cluster and establish the Network Strategy by Structure comparison between the structure of industry-Cluster and ideal Business-support networks on the basis of the analysis from the Core-success-factor

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Case, Coordination, and Information Structure in Japanese

  • Ohtani, Akira;Steedman, Mark
    • Proceedings of the Korean Society for Language and Information Conference
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    • 2007.11a
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    • pp.365-374
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    • 2007
  • This paper investigates the nature of Japanese argument cluster (Steedman 2000b). Based on Combinatory Categorial Grammar, a type-raising analysis of case particles which captures some aspects of the information structure in Japanese is discussed, including contrastive interpretation of coordination, wh-constructions, and some theme and rheme-related grammatical phenomena. These observations offer further support for the study of syntax, semantics, and phonology interface and the earlier analysis of English information structure.

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The Social Support Network and The Life Satisfaction of Elderly -The Comparison of The Urban and The Rural Elderly- (사회적 지원망과 노인의 생활만족도)

  • 서병숙
    • Journal of the Korean Home Economics Association
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    • v.33 no.3
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    • pp.43-57
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    • 1995
  • The purpose of this study is to explore the characteristics of interaction between the social support network and the korean eldery and to provide information on the structure and function of the social network which influences the life satisfaction in the aged. The sample of this study was selected from the elderly living in korean urban and rural areas. 213 out of urban respondent and 350 out of rural respondent were selected as data sources. The methodological instrument was the questionnaire. The major findings of this study can be summarized as follows : 1. most of the elderly had the relationship with all kinds of social support network-family, kin, neighbors and friends. 2. the elderly having contact with all kinds of the social support network showed the highest life satisfaction. 3. the size, the frequency and the distance weren't important factors in influencing the family, the kin and the neighbors support network in the urban elderly. In the rural elderly the size was an important factor in all the support network. Also the frequency had effect upon all networks except the neighbors and the distance had significant effect upon the family support network. 4. In the urban elderly the friends support network had the positive correlation with life satisfaction. the rural elderly having contact with all kinds of the social support network showed high life satisfaction.

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Structural Equation Model for Caregiving Experience of Families Providing Care for Family Members with Mental Disorders (정신질환자 가족의 돌봄경험 구조모형)

  • Oh, In Ohg;Kim, Sunah
    • Journal of Korean Academy of Nursing
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    • v.45 no.1
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    • pp.97-106
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    • 2015
  • Purpose: This study was done to develop and test a structural model for caregiving experience including caregiving satisfaction and caregiving strain in families providing care for family members with a mental disorder. Methods: The Stress-appraisal-coping model was used as the conceptual framework and the structural equation model to confirm the path that explains what and how variables affect caregiving experience in these families. In this hypothesis model, exogenous variables were optimism, severity of illness and uncertainty. The endogenous variables were self efficacy, social support, caregiving satisfaction and caregiving strain. Data were collected using structured questionnaires. Results: Optimism and caregiving self-efficacy had significant direct and indirect effects on caregiving satisfaction. Optimism, severity of illness and uncertainty had significant direct and indirect effects on caregiving strain. The modified path model explained effects of optimism on caregiving self-efficacy with social support in the path structure as a mediator. Also, there were direct and indirect effects of optimism and uncertainty on caregiving satisfaction with social support and caregiving self-efficacy in the path structure as a mediators. Conclusion: Results suggest the need to improve caregiving self-efficacy of these families, establish support systems such as a mental health professional support programs for caregiving self-efficacy. Optimism, severity of illness and uncertainty perceived by families need to be considered in the development of support programs in order to increase their effectiveness.

A Study on the Strength Change of Used Pipe Support(III) (재사용 파이프서포트의 내력변화 연구(III))

  • Paik, Shin-Won;Choi, Soon-Ju
    • Journal of the Korean Society of Safety
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    • v.21 no.3 s.75
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    • pp.101-106
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    • 2006
  • Formwork is a temporary structure that supports its weight and that of freshly placed concrete as well as construction live loads. In constructions site, pipe supports are usually used as shores which are consisted of the slab formwork. The strength of a pipe support is decreasing as it is frequently being used at the construction site. Among the accidents and failures that occur during concrete construction, there are many formwork failures which usually happen at the time concrete is being placed. The objective of this study is to find out the strength change of used pipe support and unused pipe supports according to aging. In this study, 2857 pipe supports were prepared. Among these pipe supports, 2337 pipe supports were lent to the construction companies free of charge. 520 pipe supports were kept on the outside. Compressive strength was measured by knife edge test and plate test at each 3 month. Test results show that the strength of unused pipe supports as well as used pipe supports was decreasing according to age, use frequency and load carrier, and the strength of used pipe supports was lower than the strength of unused pipe supports at the same age. So, the strength of used pipe supports from 191 days to present day was not satisfied the specification of KS F 8001. In this study, the strength of pipe support according to age, use frequency and load carrier was predicted using SPSS 12.0. It was known that the strength of pipe support using for 5 years was reduced to 42.8%. According to these results, it shows that attention has to be paid to formwork design using used pipe supports. Therefore, the present study results will be able to provide a finn base to prevent formwork collapses.