• 정보처리학회논문지D
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• 제11D권1호
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• pp.83-94
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• 2004

다양한 분산정보의 통합을 위하여 전역 사용자들이 요구하는 데이터들을 지역서버의 자치성을 유지하면서 효과적으로 제공하기 위한 미디 에이터 시스템의 연구가 활발하게 진행되고 있다. 그러나, 미디에이터에서의 전역질의를 효율적으로 처리하기 위한 방법의 연구는 상대적으로 매우 미흡한 실정이다. 미디에이터에서 전역질의는 원격지서버의 질의처리 단위인 부분질의의 집합으로 표현되어진다. 따라서, 미디에이터가 부분질의의 결과를 구체화방법으로 관리한다면 관련된 질의의 결과를 사용자에게 신속하게 제공할 수 있다. 그러나, 미디에이터에서는 통합 스키마의 변경이 자유롭고, 사용자의 질의가 자주 변할 수 있기 때문에 최적의 구체화부분질의를 결정하기 위해서 전역질의의 빈발정도를 지속적으로 파악해야 한다. 따라서, 부분질의의 수가 증가할수록 최적화의 수행시간이 매우 길어지기 때문에 부분질의 빈도의 최근의 변화를 적절하게 반영하지 못한다. 따라서 본 논문에서는 미디에이터 시스템의 저장공간의 활용율을 극대화하는 최적의 구체화부분질의 군을 선택하는 방법을 제안한다. 또한 과거와 최근의 부분질의의 활용형태가 다양하게 변할 수 있으므로 시간에 따른 감쇄율을 활용빈도에 적용하여 최근의 활용빈도의 변화에 민감하게 반응하고 활용형태의 변화에 따라 적응적으로 새로운 구체화부분질의 군을 선택할 수 있는 방법을 제안한다.

• 가정과삶의질연구
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• 제34권4호
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• pp.77-88
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• 2016

This study was conducted in order to find out protective factors on adolescent's social withdrawal. The purpose of this study was to test the mediator effects of adolescent's ego-resilience in the relation between affectionate parenting attitudes and adolescent's social withdrawal. The data were collected from 586 students of high schools located in 'D' city, Korea. Adolescents completed questionnaires on 'My Memories of Upbringing(EMBU-short)', ego-resilience, and 'Korean Youth Self Report(K-YSR)' scales. The correlation and structural equation model were conducted to examine the relations between the variables by using the SPSS 21.0 and AMOS 21.0. The results are as follow: First, while the affectionate parenting attitudes did not directly affect the adolescent's social withdrawal, the ego-resilience had a direct effect on the adolescent's social withdrawal. Second, there was a significant mediator effect of the adolescent's ego-resilience between the affectionate parenting attitude and adolescent's social withdrawal. In conclusion, these results can be used as basic data to prevent social withdrawal of adolescents and increase their ego-resilience.

• 펄프종이기술
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• 제46권1호
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• pp.1-10
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• 2014

Xylanase (X) derived from Aurreobasidium pullulans and laccase-mediator system (LM) using Trichophyton sp. LKY-7 laccase (TrL) and N-hydroxy-2-pyridone analogue (NHP) as a mediator were applied in hardwood kraft pulp (HwKP) bleaching. The individual and the synergistic effects of X and LM stage were investigated in the enzymatic bleaching of HwKP. Also, the effects of subsequent alkaline extraction (E) and alkaline/hydrogen peroxide treatment (P) were examined. In X or LM treatment alone, an appreciable bleaching effect of HwKP was not observed, whereas subsequent E or P stage enhanced the increase of brightness and the decrease of kappa number. Especially, P stage significantly enhanced the bleaching effect of pulp. Bleaching of HwKP with XLM sequentially gave significantly higher pulp brightness and lower kappa number than that obtained after the treatment of HwKP with X+LM simultaneously. When HwKP was sequentially treated with XLM followed by P stage, the brightness increased by about 11% ISO and the kappa number decreased by about 3.6 in comparison with the initial pulp. Xylanase and laccase were strongly inactivated by NHP both in the absence and the presence of pulp.

• 한국생물정보학회:학술대회논문집
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• 한국생물정보시스템생물학회 2001년도 제2회 생물정보 워크샵 (DNA Chip Bioinformatics)
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• pp.45-60
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• 2001

. Mediator of transcriptional regulation is the evolutionary conserved coactivator complex that plays He central role in the integration and recruitment of diverse regulatory signals and transcription machinery to certain promoters. In yeast, each Mediator subunit is required for transcriptional regulation of a distinct group of genes. In order to decipher the mechanistic roles of Mediator proteins in regulating developmental specific gene expression, we isolated, and analyzed a multiprotein complex containing Drosophila Mediate. homologs (dMediato.). dMediato. interacts with several sequence-sperific transcription factors and basal transcription machinery, and is critical for activated transcription in response to diverse transcriptional activators. In order to elucidate the function of Mediator in metazoan development, we isolated mutants of a conserved Mediate. subunit, Drosophila Med6 (dMed6). dMed6 null homozygotes failed to pupate and died in the third larval instar. Larval mitotic cells and most imaginal discs showed severe defects in proliferation, but no apparent morphological defect was observed in other larval tissues. Clonal analysis of dMed6 mutant cells revealed that dMed6 is essential for cell viability and proliferation of most adult cell types. Drosophila cDNA microarray, quantitative RT-PCR, and in situ expression analyses of developmentally regulated genes in dMed6 mutants showed that transcriptional activation of a subset of genes involved in neuroblast proliferation in the larval brain were most affected. Our results suggest that dMed6 is required in most for transcriptional regulation of a subset of genes important for cell proliferation and metabolism.

• 대한안전경영과학회지
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• 제15권1호
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• pp.303-315
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• 2013

The purpose of this study is to explore the mediator effect of the presidential candidate brand affiliated to the certain party toward enhancing the party brand equity and the presidential candidate brand value. In detail, firstly, the study attempts to identify the determinants of the party brand equity. Secondly, we clarify the factors of presidential candidate brand value. Finally, the paper testifies the proposed mediator model of the presidential candidate brand with respect to the impact of the belonging party brand equity in voting intention. Results show that the mediator effect of candidate brand exists between the affiliated party and the voting intention. In voting intention, the perceived quality of the party brand equity significantly influences on the candidate brand. Brand loyalty and Brand association of the party brand equity don't impact on the candidate brand significantly. In addition, the result proposes the all components of candidate brand value have significant impacts on voting intention. This paper is an initial attempts to regard the political parties and affiliated candidates in terms of brand marketing as the party brand equity and the candidate brand value respectively. With respect to better enhancing an approval rating, the study is proposed to the parties and candidates to-do list and direction of brand equity management.

• 품질경영학회지
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• 제39권2호
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• pp.281-291
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• 2011

The purpose of this study verifies: the relationships between self-leadership and service quality, and mediator effect of the trust in supervisor. In order to verify the relationships and mediator effect, data obtained from 572 workers engaged in medical institutions at Ulsan Metropolitan City were analyzed by using SPSS 12.0, AMOS 5.0. The findings are as follows: First, the relationships between self-leadership and trust in supervisor is positively related. Second, there was also a positive correlation between the trust in supervisor and service quality. Third, the relationships between self-leadership and service quality is positively related. Finally, the trust in supervisor played as a partial mediator on the relationship between self-leadership and service quality. Based on these findings, the implications and the limitations of the study were presented including some directions for future studies.

• Mycobiology
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• 제47권2호
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• pp.217-229
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• 2019

Two manganese peroxidases (MnPs), MnP1 and MnP2, and a laccase, Lac1, were purified from Trametes polyzona KU-RNW027. Both MnPs showed high stability in organic solvents which triggered their activities. Metal ions activated both MnPs at certain concentrations. The two MnPs and Lac1, played important roles in dye degradation and pharmaceutical products deactivation in a redox mediator-free system. They completely degraded Remazol brilliant blue (25 mg/L) in 10-30 min and showed high degradation activities to Remazol navy blue and Remazol brilliant yellow, while Lac1 could remove 75% of Remazol red. These three purified enzymes effectively deactivated tetracycline, doxycycline, amoxicillin, and ciprofloxacin. Optimal reaction conditions were $50^{\circ}C$ and pH 4.5. The two MnPs were activated by organic solvents and metal ions, indicating the efficacy of using T. polyzona KU-RNW027 for bioremediation of aromatic compounds in environments polluted with organic solvents and metal ions with no need for redox mediator supplements.

• The Journal of Asian Finance, Economics and Business
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• 제8권2호
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• pp.401-410
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• 2021

The study tests resilience and work ethics as mediators between charismatic leadership and affective commitment to change. Many organizations, such as banking, insurance companies, and financial institutions, face strong competition and consequently need to effect considerable change within the organization. Many variables have a significant impact on the success of organizational change, and people (resilience and work ethics) as well as change leaders are primary variables in this research. This study, using structural equation modeling, was conducted on a sample of 355 employees from banking and insurance companies. In this study, the inventory of affective commitment to change, the Conger-Kanungo charismatic leadership scale, resilience, and work ethic inventory was used. The results showed that resilience is a partial mediator between charismatic leadership and affective commitment to change. Meanwhile, work ethic was not a mediator between the two variables. The results showed that charismatic leadership can have a direct, positive, and significant impact on affective commitment to change without mediators, and that resilience can act as partial mediator. Furthermore, work ethic had a significant and positive effect on affective commitment to change through resilience. In other words, resilience is a full mediator for the impact of work ethic on affective commitment to change.

• 한국중재학회지:중재연구
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• 제30권4호
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• pp.51-70
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• 2020

The Mediation-Arbitration hybrid is becoming more popular since it makes an amicable relationship and thorough statement possible. The Mediation-Arbitration hybrid has been used to take advantage of both dispute resolution methods. In a Med-Arb process, negotiating a resolution to disputes is attempted with a mediator's help. If the mediation ends in an impasse or issues remain unresolved, parties can move on to arbitration. Med-Arb can also be cost-effective when disputants hire one person to serve as mediator and arbitrator (Med-Arb-Pure). However, it can disturb the fairness and neutrality of arbitrators, and awards can be annulled. Indeed, "Award by Consent" is different from the "Med-Arb-Pure" process. Arbitrators easily confuse them. Only the parties settle on the arbitral proceedings' course, and the arbitrator can help them (award by consent). The role and skill of a mediator are different from an arbitrator's. Disputants have the right to use a mediator who specializes in mediation. Moreover, mediation communication confidentiality is the essential value of mediation, and this should be protected. Therefore, in the process of "Med-Arb," separation between mediating and arbitrating is a better choice to specialize in each expertise. In this process, "Med-Arb" can be an affordable, expeditious, proper, and effective method of resolving international commercial disputes and continuing ADR prime time.

• 한국콘텐츠학회논문지
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• 제17권12호
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• pp.299-307
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• 2017

본 연구의 목적은 노인들의 인식된 짐스러움이 죽음불안에 미치는 영향력과 이 두 변수와의 관계에서 영성이 매개효과로 작용하는지 탐색하는 것이다. 본 연구 결과를 요약하면 다음과 같다. 첫째, 노인의 인식된 짐스러움은 불안에 이르는 경로와 영성이 죽음불안에 이르는 경로, 인식된 짐스러움이 죽음불안에 이르는 경로 모두에서 유의한 것으로 나타났다. 즉, 노인의 인식된 짐스러움이 높을수록 죽음불안이 높아졌고, 영성이 높을수록 죽음불안을 낮추는 것으로 나타났다. 또한 인식된 짐스러움이 죽음불안에 직접 영향을 미치는 경로와 인식된 짐스러움이 영성을 통해 죽음불안에 영향을 미치는 간접경로를 가정한 부분매개모형과 간접 경로만을 가정한 완전매개모형에서 영성의 매개효과는 유의한 것으로 나타났다. 즉, 인식된 짐스러움과 죽음불안과의 관계에서 인식된 짐스러움이 죽음불안에 직접적인 영향을 미치는 것으로 나타났지만 영성을 매개로 하여 간접적으로 미치는 영향력이 더 큰 것으로 나타났다. 본 연구결과는 죽음불안을 낮추기 위해서는 영성의 사회복지 실천적 개입이 중요하다는 점을 밝혔고 이 결과에 근거하여 실천적 제언을 하였다.