• 제목/요약/키워드: Korean Dependency analysis

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한국 사회과학자들의 정보원에 관한 인용문헌 분석 (Citation Analysis on the Information Sources of Korean Social Scientists)

  • 김용성
    • 한국문헌정보학회지
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    • 제15권
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    • pp.73-94
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    • 1988
  • The main purpose of the present study is to investigate the citation habit of Korean social scientists by making use of citation analysis and content analysis, and to assess the nature of interdisciplinary flow of information in Korea in terms of the citation dependency on other disciplines, the types of channels used in formal scientific communication, the countries published the literatures of other disciplines cited in the source articles, and the languages used in the literatures of other disciplines. The major findings and conclusions reached at this study are summarised as follows: 1. Korean social scientists mainly cite the literatures of economics, sociology, politics, and history when they cite the literature of other disciplines. 2. The citation dependency on other disciplines of the economists, polictial scientists, and sociologists are 6 percents, 14 percents, and 19 percents, respectively. 3. The citation dependency on history of the economists is 25 percents, the dependency on sociology of the political scientists is 34.9 percents, and the dependency on economics of the sociologists is 50. 19 percents. 4. The types of channels used in formal scientific communication in social sciences are firmly book and journal. 5. The countries published the literatures of other disciplines .cited in the source articles are Korea and the U. S. firmly. 6. The languages used in the literatures of other disciplines cited in the source articles are Korean and English overwhelmingly.

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사별노인의 성별에 따른 의존성과 학대 및 우울에 관한 연구 (Dependency, Abuse, and Depression by Gender in Widowed Elderly)

  • 김옥수;양경미;김계하
    • 대한간호학회지
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    • 제35권2호
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    • pp.336-343
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    • 2005
  • Purpose: The purpose of this study was to investigate the effects of dependency and abuse on depression according to gender in widowed elderly. Method: A convenient sample consisted of 246 widowed elderly who were more than 65 years old in four cities. Data was collected using a structured questionnaire from August to September, 2002. A dependency Scale developed by Ahn (1999) was used to measure the level of dependency. Emotional abuse and physical abuse were measured by 10 items for emotional abuse and 7 items for physical abuse selected out of the Conditions Scale of Elder Abuse. The level of depression was measured by the Geriatric Depression Scale (GDS). The SPSS WIN 11.0 version program was used for data analysis. Result: In male widowed elderly, dependency affected depression indirectly through emotional abuse. While in female widowed elderly, dependency affected depression directly and affected emotional abuse indirectly. Conclusion: The study showed that dependency was the most explainable variable on depression in widowed female elderly. Therefore, it dependency should be assessed first in nursing intervention to relieve depression of widowed elderly.

아동의 성별 휴대전화 의존도와 사용 목적별 사용 수준, 개인적 및 대인관계 발달간의 관계 분석 (An Analysis of the Relations among Cellular Phone Dependency, Its Use Levels of Usage Purposes, and Individual and Interpersonal Relations Development in Children by Gender)

  • 천희영
    • 가정과삶의질연구
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    • 제31권6호
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    • pp.83-96
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    • 2013
  • The aim of this study was to identify the differences in cellular phone dependency and its use levels of usage purposes according to children's gender, and also to analyze the differences in individual and interpersonal relations development due to cellular phone dependency in children based on gender. Using the first year data of the Korean Child and Youth Panel Survey(KCYPS) 2010, this study analyzed 1,604 fourth graders who have their own cellular phones. For statistical analysis, descriptive statistics were calculated and mean difference analyses were conducted. The results showed that there was no difference between boys and girls in cellular phone dependency. The girls' total phone use level was higher than that of boys and meaningful gender differences in the phone use levels were found in the five phone usage purposes. In both boys and girls, the higher phone dependency groups demonstrated higher levels of phone use in more than eight usage purposes, lower self-resilience and self-regulating learning ability, and less positive peer and teacher relations. These findings show the importance of being concerned about and educating children in the fourth grade about the proper uses of cellular phones.

청소년의 휴대폰 의존에 미치는 영향: 자존감의 조절효과 검정 (The Effects of Cell-Phone Dependency of Adolescents: Moderated Analysis of Self-Esteem)

  • 심현진;이현실
    • 보건의료산업학회지
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    • 제11권2호
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    • pp.117-127
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    • 2017
  • Objectives : This study aimed to identify factors of adolescents' cell-phone dependency using Agnew's General Strain Theory (GST) and the perspective of adolescents' micro-systems. A second aim was to verify the moderating effect of self-esteem. Methods : In total, 2,046 students who participated in a study on KCTPS mid. 1 panel 3 Wave by the National Youth Policy Institute were examined in this research. Data were analyzed through descriptive statistics, factor analysis, reliability tests, and hierarchical linear regression using SPSS Ver. 22.0. Results : The strain factors had a positive effect on adolescents' depression, and depression had a positive effect on cell-phone dependency. In addition, self-esteem had a negative moderating effect between depression and cell-phone dependency. Conclusions : Factors of cell-phone dependency were identified. The findings of the study indicate that an intervention is required to lower strain and depression and to enhance self-esteem among adolescents.

Multivariate analysis of critical parameters influencing the reliability of thermal-hydraulic passive safety system

  • Olatubosun, Samuel Abiodun;Zhang, Zhijian
    • Nuclear Engineering and Technology
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    • 제51권1호
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    • pp.45-53
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    • 2019
  • Thermal-hydraulic passive safety systems (PSSs) are incorporated into many advanced reactor designs on the bases of simplicity, economics and inherent safety nature. Several factors among which are the critical parameters (CPs) that influence failure and reliability of thermal-hydraulic (t-h) passive systems are now being explored. For simplicity, it is assumed in most reliability analyses that the CPs are independent whereas in practice this assumption is not always valid. There is need to critically examine the dependency influence of the CPs on reliability of the t-h passive systems at design stage and in operation to guarantee safety/better performance. In this paper, two multivariate analysis methods (covariance and conditional subjective probability density function) were presented and applied to a simple PSS. The methods followed a generalized procedure for evaluating t-h reliability based on dependency consideration. A passively water-cooled steam generator was used to demonstrate the dependency of the identified key CPs using the methods. The results obtained from the methods are in agreement and justified the need to consider the dependency of CPs in t-h reliability. For dependable t-h reliability, it is advisable to adopt all possible CPs and apply suitable multivariate method in dependency consideration of CPs among other factors.

저자 인용 분석을 통한 한국 사회학의 국내문헌 의존도와 국외문헌 의존도 분석 - 탈식민성 담론과 관련하여 - (Citation Dependency Analysis of Korean Sociology Using Author Citation Analysis : Especially on the Discussion of Decolonization)

  • 김영기
    • 한국도서관정보학회지
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    • 제37권4호
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    • pp.91-110
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    • 2006
  • 이 글은 지금까지 한국 사회학에서 탈식민성 담론, 특히 '미국 사회학의 문제가 어떻게 논의되어 왔는지를 개괄한 다음, 이 분야의 대표적 학술지인 (한국사회학)에 최근 5년 동안 발표된 학술논문 213편과 여기에 실린 10,172편의 참고문헌을 대상으로 연도별 저자 최종학위 취득 국별 저자 직업별 논문 대상별 저자 전공 영역별 인용문헌 분석 작업을 진행하였다. 주요 연구결과는 다음과 같다. 1)한국 사회학 분야의 연구자들이 상당히 국외문헌 지향적이며, 문제 관심은 국내문헌에서 이끌어내고 있지만 이론적 자원은 거의 국외문헌에 의존하고 있었다. 2) 국외에서 학위를 취득한 연구자의 국외문헌 인용율이 크게 높게 나타나 최종학위 취득국과 외국문헌 인용율에는 밀접한 상관관계가 있었다. 3) 한국사회를 대상으로 한 연구조차 국외문헌 인용율이 높게 나타났다. 참고문헌 분석을 통해 본 한국 사회학은 대외 의존성을 탈피하지 못한 상태였으며, 학문적 재생산 방식이 국내의 문제관심을 외국이론에 적용해 보는 전형적인 방식에서 벗어나지 못하고 있었다.

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아동의 휴대전화 의존과 학습행동 통제 간의 관계에서 부모감독의 조절효과 (Moderating Effects of Parental Monitoring in the Relationship between Children's Dependency on Mobile Phones and Control of Learning Behavior)

  • 조윤주
    • 대한가정학회지
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    • 제51권2호
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    • pp.253-261
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    • 2013
  • The purpose of this study was to investigate the moderating effects of parental monitoring on the relationship between children's dependency on mobile phones and control of learning behavior. The data came from the 2010 Korean Children and Youth Panel (N = 1,609) conducted by the National Youth Policy Institute. The analysis method used was Structural Equation Modeling by using SPSS 17.0 and AMOS 7.0. To test the significant moderating effects, Ping's two-step technique, which is free from the requirement of nonlinear constraints, was used. Our results demonstrated that children's dependency on mobile phones had negative effects on control of learning behavior, and the interaction effects between such dependency and parental monitoring affected the control of learning behavior. Thus, these results proved the moderating effects of parental monitoring in the control of learning behavior. This study suggests that parental monitoring buffers against having difficulties to control and adjust one's behavior associated with control of learning behavior, which is affected by the dependency on mobile phones among children. We discussed that the risks of children's dependency on mobile phones and parental monitoring should be acknowledge as a significant protective factor.

의존 구문 분석을 이용한 질의 기반 정답 추출 (Query-based Answer Extraction using Korean Dependency Parsing)

  • 이도경;김민태;김우주
    • 지능정보연구
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    • 제25권3호
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    • pp.161-177
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    • 2019
  • 질의응답 시스템은 크게 사용자의 질의를 분석하는 방법인 질의 분석과 문서 내에서 적합한 정답을 추출하는 방법인 정답 추출로 이루어지며, 두 방법에 대한 다양한 연구들이 진행되고 있다. 본 연구에서는 문장의 의존 구문 분석 결과를 이용하여 질의응답 시스템 내 정답 추출의 성능 향상을 위한 연구를 진행한다. 정답 추출의 성능을 높이기 위해서는 문장의 문법적인 정보를 정확하게 반영할 필요가 있다. 한국어의 경우 어순 구조가 자유롭고 문장의 구성 성분 생략이 빈번하기 때문에 의존 문법에 기반한 의존 구문 분석이 적합하다. 기존에 의존 구문 분석을 질의응답 시스템에 반영했던 연구들은 구문 관계 정보나 구문 형식의 유사도를 정의하는 메트릭을 사전에 정의해야 한다는 한계점이 있었다. 또 문장의 의존 구문 분석 결과를 트리 형태로 표현한 후 트리 편집 거리를 계산하여 문장의 유사도를 계산한 연구도 있었는데 이는 알고리즘의 연산량이 크다는 한계점이 존재한다. 본 연구에서는 구문 패턴에 대한 정보를 사전에 정의하지 않고 정답 후보 문장을 그래프로 나타낸 후 그래프 정보를 효과적으로 반영할 수 있는 Graph2Vec을 활용하여 입력 자질을 생성하였고, 이를 정답 추출모델의 입력에 추가하여 정답 추출 성능 개선을 시도하였다. 의존 그래프를 생성하는 단계에서 의존 관계의 방향성 고려 여부와 노드 간 최대 경로의 길이를 다양하게 설정하며 자질을 생성하였고, 각각의 경우에 따른 정답추출 성능을 비교하였다. 본 연구에서는 정답 후보 문장들의 신뢰성을 위하여 웹 검색 소스를 한국어 위키백과, 네이버 지식백과, 네이버 뉴스로 제한하여 해당 문서에서 기존의 정답 추출 모델보다 성능이 향상함을 입증하였다. 본 연구의 실험을 통하여 의존 구문 분석 결과로 생성한 자질이 정답 추출 시스템 성능 향상에 기여한다는 것을 확인하였고 해당 자질을 정답 추출 시스템뿐만 아니라 감성 분석이나 개체명 인식과 같은 다양한 자연어 처리 분야에 활용 될 수 있을 것으로 기대한다.

Many-objective joint optimization for dependency-aware task offloading and service caching in mobile edge computing

  • Xiangyu Shi;Zhixia Zhang;Zhihua Cui;Xingjuan Cai
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • 제18권5호
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    • pp.1238-1259
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    • 2024
  • Previous studies on joint optimization of computation offloading and service caching policies in Mobile Edge Computing (MEC) have often neglected the impact of dependency-aware subtasks, edge server resource constraints, and multiple users on policy formulation. To remedy this deficiency, this paper proposes a many-objective joint optimization dependency-aware task offloading and service caching model (MaJDTOSC). MaJDTOSC considers the impact of dependencies between subtasks on the joint optimization problem of task offloading and service caching in multi-user, resource-constrained MEC scenarios, and takes the task completion time, energy consumption, subtask hit rate, load variability, and storage resource utilization as optimization objectives. Meanwhile, in order to better solve MaJDTOSC, a many-objective evolutionary algorithm TSMSNSGAIII based on a three-stage mating selection strategy is proposed. Simulation results show that TSMSNSGAIII exhibits an excellent and stable performance in solving MaJDTOSC with different number of users setting and can converge faster. Therefore, it is believed that TSMSNSGAIII can provide appropriate sub-task offloading and service caching strategies in multi-user and resource-constrained MEC scenarios, which can greatly improve the system offloading efficiency and enhance the user experience.

여대생의 우울 및 스마트폰 의존성이 진로결정 자기효능감에 미치는 영향 (The Effect of Depression and Smartphone Dependency on Female College Students' Career Decision-making Self Efficacy)

  • 최희정;유장학
    • 지역사회간호학회지
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    • 제27권1호
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    • pp.43-50
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    • 2016
  • Purpose: The purpose of this study was to investigate the relationship of depression and smartphone dependency with female college students' career decision-making self efficacy. Methods: This was a descriptive study. The survey participants were 497 female college students in M City and S City. Data were collected from November 16 to December 4, 2015 using self-report questionnaires including BDI (Beck Depression Inventory), Smartphone Dependency Scale, and CDMSES-SF (Career Decision-Making Self Efficacy Scale-Short Form). Data were analyzed through descriptive statistics, independent-samples t-test, ANOVA, and stepwise multiple regression. Results: Career decision-making self efficacy showed significant differences according to religion. Smartphone dependency was found to have a statistically significant negative correlation with career decision-making self efficacy and a positive correlation with depression. Depression was found to have a statistically significant negative correlation with career decision-making self efficacy. Stepwise multiple regression analysis revealed that the predictors of career decision-making self efficacy were depression (7.1%), religion (1.8%), and smartphone dependency (1.3%), accounting for a total of 10.6% of the variance. Conclusion: This study suggests that interventions to promote female college students' career decision-making self efficacy should consider their depression, religion, and smartphone dependency.