• 식물분류학회지
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• 제39권2호
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• pp.89-99
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• 2009

한국산 꿩의다리속 식물의 계통 및 유연관계를 밝히기 위해 39개의 형태 형질을 바탕으로 Maximum parsimony와 Neighbor-joining을 분석하였다. 식물재료는 한국 고유종을 포함해 내군 21분류군과 외군 1분류군이 사용되었다. 좀꿩의다리절과 금꿩의다리절은 각각 100% 부트츠랩 값과 83% 부트츠랩 값으로 단계통군을 형성하였고, 금꿩의다리절은 좀꿩의다리절의 자매군으로 나타났다. 꽃꿩의다리절과 산꿩의다리절은 측계통군을 형성하였다. 그늘꿩의다리를 제외한 산꿩의다리절은 방사상분지로 나타났다. 꿩의다리절과 발톱꿩의다리절은 각각 독립적인 분계군를 형성하였다. 꿩의다리속 식물에서 주요한 형질인 수술의 모양은 곤봉형이 가장 원시적이며, 원시적인 곤봉형에서 봉형, 그리고 실형으로 파생되는 것으로 나타났다. 수술의 형태는 수분방법(충매, 풍매), 개화시 꽃받침의 존재유무 등 꿩의다리속 식물의 꽃 진화에도 관련되어 있다고 판단된다.

• 한국컴퓨터정보학회논문지
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• 제26권9호
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• pp.1-12
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• 2021

본 논문은 GPU 프로그램의 메모리의 상태 및 접근사건과 배리어 위치 정보를 감시하고, 실제 메모리 쓰기를 배리어 영역 종료 직전에 발생시키거나 배리어 영역을 재수행시켜 원자성 위배를 수행 중에 수리하는 도구인 ARCAV (Atomatic Recovery of CUDA Atomicity violation)를 제시한다. 기존의 연구들은 Lock과 Sleep 명령어를 사용하여 원자성 위배를 진단 및 수리하도록 구현되었기 때문에 지원되는 명령어와 동기화 기법이 CPU (Central Processing Unit) 프로그램과 다른 GPU (Graphics Processing Unit) 프로그램에는 적용될 수 없었고, GPU 프로그램에서는 원자성 위배의 탐지에 대한 연구만 수행되었다. 제안하는 ARCAV는 GPU 프로그램의 실행모델에서 수행될 수 있도록 설계되어 스레드 구성과 메모리 계층에 무관하게 실세계에서 발생한 원자성 위배를 대표하는 네 가지 패턴의 원자성 위배를 실시간으로 탐지하고 수리할 수 있다. 실험 결과 동시에 실행되는 스레드 개수와 구성에 무관하게 일정한 오버헤드를 보였다. 원자성 위배를 프로그램 수행 중에 실시간으로 탐지하고 수리하기 위해 소요되는 오버헤드는 네 개의 실세계 GPU 커널에서 실험되었고, 원본 프로그램 대비 평균 2.1배의 수행시간으로 동작하였다.

• International Journal of Computer Science & Network Security
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• 제21권8호
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• pp.327-341
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• 2021

The knowledge management was considered as the inevitable result of the rule of knowledge in this era, and its importance became clear in being the main source for achieving success, the need to consider and manage knowledge as an independent field that must be addressed with a clear scientific methodology has become intangible - they are very valuable and a strategic asset. On the other hand, the innovation process relates to all parts of the organization, and helps to improve the behavioral patterns of individuals and their attitudes towards adopting modern and innovative ideas, it is a purposeful process adopted by the senior management and works to provide the capabilities and requirements for embodying the innovative behavior in it. In the field of dealing with the market, it is a product of the organization's innovative approach, which aims at advancement, change, and intended and organized renewal. The main objective of this article is to determine the most appropriate ways to integrate knowledge management mechanisms to employ innovation factors within universities based on the role of universities in supporting innovation. This was achieved through reviewing many relevant research and listing the most prominent concepts of knowledge management, its importance, objectives, and processes determining the stages of knowledge management application, the requirements for applying knowledge management, and the obstacles that impede its application; Then the statement "Innovation in universities, through which it addressed the concept of innovation, its importance, stages, and requirements for its application, as well as identifying the most prominent models of innovation, and obstacles to innovation, in addition to that the role of universities in supporting innovation will be identified. From the surveyed study done in this article, we concluded that the relationship among organizational culture, knowledge management and innovation capability can provide useful insights for managers regarding developing a strong culture, promote knowledge management practices effectively and eventually enhance the whole organization's innovation capability. Also, we found that different components of Knowledge Management as Knowledge activities, Knowledge types, transformation of knowledge and technology have a significant positive effect in bringing innovation through transformation of knowledge into knowledge assets in universities.

• 한국보건간호학회지
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• 제35권1호
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• pp.135-148
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• 2021

Purpose: This study examined socio-demographic and health status factors associated with hazardous drinking in male and female elderly with hypertension. Methods: The sample consisted of 2,322 seniors with hypertension and was obtained from the Seventh Korean National Health and Nutrition Examination Survey (VII-1, VII-2, VII-3). Complex sample analysis was performed using the independent t-test, the Chi-square test and multiple logistic regression in SPSS/WIN 24.0 program. Results: The factors associated with hazardous drinking in the male hypertensive seniors were age (OR=2.13, CI=1.37-3.32), weekly drink number (OR=0.11, CI=0.07-0.16) and weight gain control (OR=0.44, CI=0.21-0.94), and corresponding factors in female hypertensive seniors were age (OR=4.56, CI=2.37-8.80), income level (OR=1.88, CI=1.05-3.37), weekly drink number (OR=0.09, CI=0.04-0.17), current smoking (OR=6.88, CI=2.29-20.64), weight loss control (OR=1.99, CI=1.14-3.47), hypertension treatment (OR=35.62, CI=2.02-629.43), and hypertension drug (OR=0.06, CI=0.01-0.61). Conclusion: Risk drinking in elderly with hypertension was found to be related to personal characteristics and health status. Therefore, to manage hypertension effectively in the elderly, drinking patterns should be improved and active participation in the practice of healthy activities such as weight control, smoking cessation, and decreased alcohol intake, should be encouraged.

• 한국융합학회논문지
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• 제9권11호
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• pp.443-454
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• 2018

본 연구는 암생존자 가족의 삶의 질 증진을 위한 기초자료를 마련하고자 수행된 횡단적 연구설계의 융합연구이다. 연구대상은 국민건강영양조사 2015년 자료에서 암생존자 가족 153명, 투병 중인 암환자의 가족 115명을 선정하여 이들의 삶의 질을 비교 검증하였다. 연구방법은 삶의 질에 대한 영향 요인으로 인구사회학적, 건강, 심리적, 사회적 변인을 구성하여 위계적 다중회귀분석을 시행하였고 이를 SPSS WIN/18.0을 이용하여 분석하였다. 연구결과, 암생존자 가족과 투병환자 가족간 삶의 질에 대해 심리적, 사회적 변인에서 다른 양상을 보였고, 암생존자 가족의 삶의 질에 스트레스(${\beta}=-.192$, p<.05), 경제활동에서의 배제(${\beta}=-.191$, p<.05)가 유의미한 부정적 영향을 미치고 있었다. 본 연구는 암생존자 가족과 투병환자 가족간 삶의 질 영향 요인의 상대적 영향력이 다른 양상을 보여 생존단계별로 적합한 개입의 필요성에 대해 의료사회복지 실천에 임상적 함의를 제공하였다.

• Geomechanics and Engineering
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• 제18권4호
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• pp.449-457
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• 2019

Physical model tests were first performed to investigate the failure pattern of multiple pillar-roof support system. It was observed in the physical model tests, pillars were design with the same mechanical parameters in model #1, cracking occurred simultaneously in panel pillars and the roof above barrier pillars. When pillars 2 to 5 lost bearing capacity, collapse of the roof supported by those pillars occurred. Physical model #2 was design with a relatively weaker pillar (pillar 3) among six pillars. It was found that the whole pillar-roof system was divided into two independent systems by a roof crack, and two pillars collapse and roof subsidence events occurred during the loading process, the first failure event was induced by the pillars failure, and the second was caused by the roof crack. Then, for a multiple pillar-roof support system, three types of failure patterns were analysed based on the condition of pillar and roof. It can be concluded that any failure of a bearing component would cause a subsidence event. However, the barrier pillar could bear the transferred load during the stress redistribution process, mitigating the propagation of collapse or cutting the roof to insulate the collapse area. Importantly, some effective methods were suggested to decrease the risk of catastrophic collapse, and the deep-hole-blasting was employed to improve the stability of the pillar and roof support system in a room and pillar mine.

• 보건행정학회지
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• 제29권2호
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• pp.228-236
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• 2019

Background: This study investigates the impact of weekend admission with a patient safety indicator (PSI) on 30-day mortality among long-term insurance beneficiaries. Methods: Data were obtained from the National Health Insurance Service-Senior claim database from 2002 to 2013. To obtain unbiased estimates of odds ratio, we used a nested case-control study design. The cases were individuals who had a 30-day mortality event after their last medical utilization, while controls were selected by incidence density sampling based on age and sex. We examined the interaction between the main independent variables of weekend admission and PSI by categorizing cases into four groups: weekend admission/PSI, weekend admission/non-PSI, weekday admission/PSI, and weekday admission/non-PSI. Results: Of the 83,400 individuals in the database, there were 20,854 cases (25.0%) and 62,546 controls (75.0%). After adjusting for socioeconomic, health status, seasonality, and hospital-level factors, the odds ratios (ORs) of 30-day mortality for weekend admission/PSI (OR, 1.484; 95% confidence interval [CI], 1.371-1.606) and weekday admission/PSI (OR, 1.357; 95% CI, 1.298-1.419) were greater than for patients with weekday admission/non-PSI. Conclusion: This study indicated that there is an increased risk of mortality after weekend admission among patients with PSI as compared with patients admitted during the weekday without a PSI. Therefore, our findings suggest that recognizing these different patterns is important to identify at-risk diagnosis to minimize the excess mortality associated with weekend admission in those with PSI.

• 국제물리치료학회지
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• 제10권2호
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• pp.1750-1755
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• 2019

Background: Most of the previous researches on the abnormality of breathing pattern have focused on the silence of functional movements owing to such abnormality, however, have not been clearly identified the relationship between the abnormal breathing pattern on one hand and kinesiophobia and flexion relaxation phenomenon (FRP) on the other hand. Objective: To compare patients with chronic low back pain (CLBP) and healthy person in the abnormality of breathing pattern, kinesiophobia, and FRP during flexion and extension of the trunk. Design: Case-control study. Methods: The research subjects consisted of a group of 15 healthy adults and another group of 15 patients with CLBP. Capnography was used to measure the endtidal $CO_2$ ($EtCO_2$) and respiratory quotient (RQ). The muscle activity of multifidus and erector spinae of the subjects was measured during flexion and extension of the trunk to identify their FRP. The Nijmegen Questionnaire (NQ) and Tampa Scale of Kinesiophobia (TSK) were utilized to measure their breathing patterns and kinesiophobia, respectively. The Kolmogorov-Smirnov (K-S) test was conducted in order to analyze the normal distribution of the measured data. Their general characteristics were identified by the descriptive statistics and the independent t-test was performed to identify the differences between the two groups in terms of abnormality of breathing pattern, kinesiophobia, and FRP. The level of significance was set at ${\alpha}=.05$. Results: The patients with CLBP had significantly less $EtCO_2$ and shorter breathing hold time (BHT) than normal healthy person (p<.05). The patient with CLBP also had significantly greater kinesiophobia than healthy person (p<.05), and had less FRP than the healthy person (p<.01). Conclusions: These results suggest that the CLBP had greater abnormality of breathing pattern and kinesiophobia with less FRP than healthy person.

• 한국정보통신학회논문지
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• 제24권7호
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• pp.827-833
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• 2020

본 논문에서는 지자체의 요금 체납을 줄이기 위해 특정 지자체를 대상으로 검침원의 면담 등을 통해 지방상수도 통합정보시스템에서 체납에 영향을 미치는 내부 데이터 요소를 찾았다. 또한 국가 통계 데이터 중에서 체납에 영향을 미치는 후보 데이터를 도출하였다. 독립변수가 종속변수에 미치는 영향도는 정보이득이라는 데이터 집합에서 종속변수에 대한 무질서도를 조사하여 표본 데이터를 수집하였다. 그리고 빅 데이터 분석 알고리즘인 의사결정트리와 로지스틱 회귀기법 중 어느 알고리즘이 더 높은 예측율을 나타내는지 n-fold cross-validation 방법을 사용하여 평가하였다. 이를 통해 지자체의 데이터를 기초로 알고리즘의 성능을 비교한 결과 의사결정트리가 로지스틱회귀보다 더 정확한 수용가 납부 패턴을 찾을 수 있음을 확인하였다. 머신러닝을 이용한 분석 알고리즘 모델 개발의 과정에서는 알고리즘의 정확성 향상을 위해 의사결정트리의 복잡성과 정확성에 직접적인 영향을 주는 최소 데이터 개수와 최대 순도라는 두 개의 환경변수의 최적값을 도출하였다.

• 대한간호학회지
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• 제51권3호
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• pp.320-333
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• 2021

Purpose: The study was conducted to explore the experiences of job retention among working people with mental illness. Methods: The participants were members with mental illness at the S Community Mental Health Center in Gyeonggi Province and who had been working for more than six months. The data were collected through in-depth interviews with 11 participants between June 27 and August 20, 2018. The data were analyzed through Corbin and Strauss's grounded theory method. Results: The core category was struggling to take root in the community as a productive member. The core phenomenon was the desire to be a productive person, and the causal condition was the willingness to change for a purposeful life. The action and interaction strategies included maintaining regular living patterns, maintaining medication, developing one's tips for self-management, and self-approval. The intervening conditions were difficulties in forming social relationships, presence of symptoms, social resources, and acceptance of one's mental illness. The consequences were restoration of family relationships, healthy pleasure through work, social inclusion, development of self-worth, and transition to an independent person. Conclusion: Working people with mental illness are struggling to take root in the community as a productive member. This study suggests that a holistic understanding of the job retention experience among people with mental illness is required. The findings will provide the basis for developing interventions that can improve job retention among working people with mental illness.