• 제목/요약/키워드: Knowledge state

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지식베이스를 이용한 로보틱 조립셀의 모델링과 운영관리를 위한 프레임 워크 (A framework for modelling and operation management of robotic assembly cells via knowledge base)

  • 김대원;고명삼;이범희
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 1988년도 한국자동제어학술회의논문집(국내학술편); 한국전력공사연수원, 서울; 21-22 Oct. 1988
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    • pp.374-379
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    • 1988
  • We propose a framework for modelling and operation management of robotic assembly cells via knowledge base. In the framework, each component of the cell is considered as a state variable, the relations among the state variables are stored in state transition maps(STMs) and then transformed into the form of knowledge. The assembly job tree(AJT) which includes the precedence relations and the constraints for assembly tasks is also described. Finally, an algorithm is presented to manage the cell operation.

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일부 고등학생의 개인의 기질적 특성과 치과 관련 지식에 따른 치과공포감에 관한 연구 (A Study on Personal Temperament, Dental Knowledge and Dental Fear of High School Students)

  • 김지희;정현자;김혜진
    • 보건의료산업학회지
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    • 제7권4호
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    • pp.1-12
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    • 2013
  • This study is to analyze the personality trait and dental fear of high school students. This study is conducted with a total of 603 first grader at high school in DaeGu city from 1st September to 30th October, 2009. In prevention and dental treatment knowledge category, the average score of female are higher than male. The concern of oral health, the experience of oral health education and the number of toothbrush are significantly different in the knowledge category. In dental fear category, the number of dental pain, the visiting is treatment, the recognize of dental state, the number of toothbrush and the change of dental visiting date are significantly different. In the prevention knowledge according to dental fear state, low fear group 7.03 is higher than high fear group. In the dental treatment knowledge according to dental fear state, high fear group 7.15 is higher than low fear group. In personal temperament, there are not significantly relationship between prevention knowledge, dental treatment knowledge and dental fear. These findings are basis to development of education programs which were included prevention and dental treatment knowledge before visiting dental clinics for reducing dental fear.

생산성 향상을 위한 북미 최첨단 사무공간 계획 방향 분석 (Analyzing the State-of-the-Art Office Planning Directions in North America for Better Productivity)

  • 윤혜경;박현수
    • 한국실내디자인학회논문집
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    • 제19권1호
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    • pp.200-207
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    • 2010
  • The purpose of this study was to analyze the variables of the state-of-the-art office planning for the productive workplaces of the North America and to predict the adaptability in Korea. Knowledge workers have been considered as the decisive factors for the survival and development of organizations. So, open workplaces have been considered appropriate for the workplace to stimulate their informal knowledge sharing. However, the low individual productivity due to low privacy and distraction in the open workplace has been the key problem. To solve the dilemma, this study suggests that closed individual offices are best for the individual productivity and open conference area and meeting places are essential for the informal knowledge sharing. Some state-of-the-art workplaces such as just-in-time offices and hotelings can provide more space for the individual workplaces and open meeting places without excessive cost burden of organizations.

Belief Function Retraction and Tracing Algorithm for Rule Refinement

  • Lee, Gye Sung
    • International journal of advanced smart convergence
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    • 제8권2호
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    • pp.94-101
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    • 2019
  • Building a stable knowledge base is an important issue in the application of knowledge engineering. In this paper, we present an algorithm for detecting and locating discrepancies in the line of the reasoning process especially when discrepancies occur on belief values. This includes backtracking the rule firing from a goal node of the rule network. Retracting a belief function allows the current belief state to move back to another belief state without the rule firing. It also gives an estimate, called contribution measure, of how much the rule has an impact on the current belief state. Examining the measure leads the expert to locate the possible cause of problem in the rule. For non-monotonic reasoning, the belief retraction method moves the belief state back to the previous state. A tracing algorithm is presented to identify and locate the cause of problem. This also gives repair suggestions for rule refinement.

Factors Affecting Innovative Work Behavior: Mediating Role of Knowledge Sharing and Job Crafting

  • SUPRIYANTO, Achmad Sani;SUJIANTO, Agus Eko;EKOWATI, Vivin Maharani
    • The Journal of Asian Finance, Economics and Business
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    • 제7권11호
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    • pp.999-1007
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    • 2020
  • This study aimed to investigate the influence of spiritual leadership on innovative work behavior and the effect of knowledge sharing on job crafting. Furthermore, the roles of knowledge sharing as a mediator for the impact of spiritual leadership on innovative work behavior, and job crafting as a mediator for the relationship between variables, were also examined. This research employed quantitative analysis, including the PLS-SEM approach; SMART-PLS, a measurement and structural equation model was employed to explain the relationship between variables, and the effect of mediation. The population study consisted of all lecturers at the Faculty of Economics and Faculty of Economics and Business at the PTKIN in East Java, Indonesia, comprising 220 randomly-selected samples. The result showed spiritual leadership does not directly influence innovative work behavior, while knowledge sharing directly affects job crafting. The findings indicated knowledge sharing mediates the impact of spiritual leadership on innovative work behavior, and the role of job crafting as a mediator for the relationship between variables was accepted. Therefore, this research confirms a positive influence of knowledge sharing on job crafting, and indicates both factors play an important role in mediating between variables, and are important for lecturers' innovative work behavior.

복지시설 이용 노인을 위한 보건교육 효과분석 (Effectiveness of Health Education for Elderly)

  • 임희진;김초강;하귀염
    • 보건교육건강증진학회지
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    • 제22권1호
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    • pp.117-134
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    • 2005
  • This study analyzes how health education program affect elderly's health knowledge, behavior and health state. Also purposes of this program are to have healthy lifestyle and change health behavior to improve life. The subject of study was over 60 years old 175 persons, which include 89 persons of experience group and 86 persons from social well-being center in seoul. The data was collected by measurement of knowledge, behavior on health. The pre-research was performed before health education and post-research was performed immediately after the education. Collected data were analyzed by using the SPSS win 11.0. The results of this study are as follows: 1. The health knowledge points of experience group improved than the control group's and there is statistically significant difference. 2. The health behavior points of experience group were higher than the control group's and the difference was statistically significant. 3. The perceived health state of experience group was better than the control group's and the difference was statistically significant. 4. There are correlations among knowledge, behavior and perceived health state: Knowledge and behavior are positively correlated and behavior and perceived health state have a positive correlation.

지식상태 분석법을 통한 예비 물리교사들의 학년별 물리개념 위계도 분석 (A Look at the Physics Concept Hierarchy of Pre-service Physics Teacher Through the Knowledge State Analysis Method)

  • 박상태;변두원;이희복;김준태;육근철
    • 한국과학교육학회지
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    • 제25권7호
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    • pp.746-753
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    • 2005
  • 평가는 학생들이 배워야 하는 가장 중요한 것들을 반영해야 한다. 지금까지 학교교육에서의 대부분의 평가는 학력의 측정에 목적을 두고 실시하였으며 설령 진단평가와 형성평가를 실시하였더라도 그 평가결과를 유용하게 활용하는 경우는 드물었다. 이러한 원인은 평가결과로부터 개인별 정보를 얻을 수 있는 도구가 없었기 때문이다. 본 연구에서는 그동안의 평가결과로부터 얻을 수 없었던 집단별, 개인별 정보를 끄집어 낼 수 있는 평가도구를 소개하고 있다. 본 연구에서는 학생들의 평가결과를 지식공간론을 활용하여 분석하고, 이것으로부터 개인의 향후 학습지도를 위한 이정표를 제시하였다. 지식공간론은 수학이나 과학과 같이 비교적 위계관계가 강한 학문에 매우 유용하게 이용될 수 있으며, 평가를 통해 학생들이 구성하는 지식구조를 지식의 위계라는 관점에서 정확히 분석함으로써 효과적인 물리교육을 도모할 수 있다. 특히, 처리 과정을 컴퓨터시스템을 이용하여 정확하고 빠르게 처리할 수 있음은 물론 객관적 타당도를 높이고 많은 양의 자료를 효율적으로 처리할 수 있다. 더 나아가서 개개인에 대해 실질적으로 도움을 줄 수 있는 피드백을 제시하여 학생들의 이해를 증진시킬 수 있다. 본 연구에서는 물리 성취도 평가 문항에 대하여 지식공간론을 적용하여 예비 물리교사들의 학년별 평가결과를 분석하고, 그 결과를 토대로 향후 물리교육을 위한 효율적인 교육과정 개발에 기초자료로 활용하고자 한다.

열과 관련된 문제 상황에서 초등학생들이 느끼는 친숙도, 인지에 대한 지각, 상태호기심, 상태불안의 관계 분석 (Analysis of the Relationship between Familiarity, Feeling of Knowing, State Curiosity, and State Anxiety of Elementary School Students in the Thermal Task Contexts)

  • 강지훈;김지나
    • 한국초등과학교육학회지:초등과학교육
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    • 제39권3호
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    • pp.433-448
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    • 2020
  • In this study, the tasks of thermal equilibrium and heat insulation concept were divided into scientific and everyday contexts to analyzed the level of familiarity, feeling of knowing, state curiosity, and state anxiety that students feel in task contexts and their relationship. The subjects of this study were One hundred nine students in sixth grade of elementary schools located in metropolitan cities. The results of this study were as follows. First, there was no difference in the level of feeling of knowing, state curiosity, and state anxiety in the task of scientific and everyday contexts. In the case of familiarity, there was no consistent tendency in the concept of thermal equilibrium and heat insulation. And the group who recognized the task context familiarly had higher feeling of knowing and lower state anxiety than the group who recognized the task context unfamiliarly. Second, familiarity and feeling of knowing showed high positive correlation, state anxiety and familiarity showed negative correlation, and state anxiety and feeling of knowing had also negative correlation. In addition, familiarity had a negative effect on state anxiety, and FOK had a positive effect on state curiosity and a negative effect on state anxiety. There was no significant moderating effect of the task context. Third, in case of state curiosity, the group perceived the knowledge gap was very small had the highest state curiosity, and the group perceived the knowledge gap was very large had the lowest state curiosity. In case of state anxiety, the less the knowledge gap was perceived, the lower the anxiety was triggered. This study broadens our understanding of the learning process and provides implications for effective instruction strategies for students' cognitive and emotional states.

고등학교 천체관측 관련 개념의 지식상태 분석에 따른 교수-학습 효과 (Investigating the Effects of Teaching Based on an Analysis of High School Students' Knowledge State of Concepts Associated with Astronomical Observation)

  • 윤마병
    • 한국지구과학회지
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    • 제32권7호
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    • pp.902-912
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    • 2011
  • 본 연구는 고등학교 천체관측 관련 개념 검사지를 개발하여 지식상태 분석법으로 천체관측 개념의 위계와 개별 학습자의 지식상태를 분석하였고, 이에 따른 교수-학습 효과를 알아 보았다. 학습자가 갖고 있는 천체관측 관련 개념의 심리적 위계는 '지구운동 ${\rightarrow}$천구좌표계 ${\rightarrow}$천체관측(망원경 원리 ${\rightarrow}$망원경 설치 ${\rightarrow}$망원경 관측)' 순이었으며, 교수 위계(70.8%)도 같은 순 이었다. 개념 검사에서 같은 점수를 획득하여 천체관측 능력이 비슷할 것으로 추정되는 학습자의 지식상태가 서로 다르게 나타났다. 지식상태의 구조화가 잘 이루어진 경우와 그렇지 못한 사례가 있었는데, 이는 서로다른 교수-학습 처방이 이루어져야 함을 시사한다. 즉, 지식상태 분석을 통하여 학습자의 개별화 학습 처방과 형성평가의 역할을 할 수 있다. 지구과학I의 천체관측 단원에서 교과서의 내용 제시 순서 보다 학습자의 심리적 위계에 따라 수업한 경우가 개념의 성취도 수준에서 유의미(p<0.05)하게 더 높았다. 이는 교사들이 천체관측 관련 개념을 지도할 때, 교육과정을 토대로 학습자의 지식상태를 파악하여 교과서의 학습 내용을 재순서화 함으로써 더 효과적인 학습이 이루어질 수 있음을 보여준다.

The Study on the Effect of Waiting Line on Consumers' Perceived Quality and Emotional State

  • Li, Nan;Song, Jae-Do
    • Asia Marketing Journal
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    • 제21권2호
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    • pp.21-49
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    • 2019
  • This study examines a model which simultaneously contains two paths between waiting line and purchase intention: one tested the positive effect of waiting line through consumers' perceived quality, whereas another one go through consumers' emotional state to test the negative effect of waiting line on purchase intention. To further understand perceived quality, the study divided perceived quality into perceived product quality and perceived service quality. The study used restaurants in the experiment. Results indicated that although long waits in line will directly increase both consumers' product quality perception and negative emotions, the total indirect effects on purchase intention are still significantly positive. For consumers' perceived service quality, long waiting situations have no such effect on it. Significant results from a moderation analysis also shown that consumers in low-level knowledge settings are more influenced by waiting lines than those in high-level knowledge settings when they make the product's quality-related judgment. However, the level of consumer knowledge does not moderate the relationship between waiting lines and service quality.