• Title/Summary/Keyword: Concept Learning

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Multiple Instance Mamdani Fuzzy Inference

  • Khalifa, Amine B.;Frigui, Hichem
    • International Journal of Fuzzy Logic and Intelligent Systems
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    • v.15 no.4
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    • pp.217-231
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    • 2015
  • A novel fuzzy learning framework that employs fuzzy inference to solve the problem of Multiple Instance Learning (MIL) is presented. The framework introduces a new class of fuzzy inference systems called Multiple Instance Mamdani Fuzzy Inference Systems (MI-Mamdani). In multiple instance problems, the training data is ambiguously labeled. Instances are grouped into bags, labels of bags are known but not those of individual instances. MIL deals with learning a classifier at the bag level. Over the years, many solutions to this problem have been proposed. However, no MIL formulation employing fuzzy inference exists in the literature. Fuzzy logic is powerful at modeling knowledge uncertainty and measurements imprecision. It is one of the best frameworks to model vagueness. However, in addition to uncertainty and imprecision, there is a third vagueness concept that fuzzy logic does not address quiet well, yet. This vagueness concept is due to the ambiguity that arises when the data have multiple forms of expression, this is the case for multiple instance problems. In this paper, we introduce multiple instance fuzzy logic that enables fuzzy reasoning with bags of instances. Accordingly, a MI-Mamdani that extends the standard Mamdani inference system to compute with multiple instances is introduced. The proposed framework is tested and validated using a synthetic dataset suitable for MIL problems. Additionally, we apply the proposed multiple instance inference to fuse the output of multiple discrimination algorithms for the purpose of landmine detection using Ground Penetrating Radar.

The Effects of a Circle-based Early Childhood Science Education Program Using Physical Movement on Young Children's Scientific Inquiry Ability, Scientific Attitude, Object Manipulation Ability and Spatial Ability (신체움직임을 활용한 순환학습기반 유아과학교육 프로그램이 유아의 과학적 탐구능력, 과학적 태도, 물체조작능력 및 공간능력에 미치는 효과)

  • Chung, Gibun;Kim, Jihyun
    • Korean Journal of Childcare and Education
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    • v.15 no.6
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    • pp.139-167
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    • 2019
  • Objective: This study aims to investigate the effects of a learning cycle model-based early childhood education program using physical motion on young children's scientific inquiry ability, scientific attitude, object manipulation ability and spatial ability. Methods: The subjects of this study were 60 five-year-old children who were attending K-G City Childcare Center. The SPSS Window 21.0 program and content analysis method were used, and post-validation Tukey was conducted to examine the differences between the one-way ANOVA and the group. Results: Activities using body movement were practiced systematically based on the circle learning. Children could revise their pre-concept and concept of error by interacting with other children, teachers and the environment. Furthermore, children were attaining new knowledge while they were doing body movement activities, assessing and applying them to actual activities. Conclusion/Implications: This study is investigated a cyclic learning-based early childhood science education program using physical motion, which has significance in systematic and practical early childhood centered education for young children.

Research on The Students' Interest in Science Subjects (과학교과에 대한 학생들의 흥미도 실태 조사)

  • Kim, Sang-Dal;Lee, Sang-Gyun;Choi, Sung-Bong
    • Journal of the Korean Society of Earth Science Education
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    • v.3 no.3
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    • pp.191-197
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    • 2010
  • Students' emotional attitude not only affects their achievement in a meaningful way but also is an important educational goal in its own right. This research investigated how students' interest in science varies among elementary, middle and high-school students based on a survey and reviews of previous research results. We analyzed students learning attitude in terms of interest in and enjoyment of science, instrumental motivation in science, science learning anxiety, and self-concept in science. Major findings are students showed more negative attitudes in intrinsic motivation, instrumental motivation, value perception of science, and confidence in science as they move in to a higher school level. According to students' explanation, science classes got bored in a higher grade because of difficult contents, lack of experiments and activities, and teachers' monotonous explanations. Based on the results, recommendations on how to improve students' attitudes towards science are suggested. First of all we need to secure more science instructional hours in the school curriculum than the 7th national curriculum to implement improved science teaching and learning methods.

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Relevance of E- Learning and Quality Development in Higher Education

  • Arshi Naim;Sahar Mohammed Alshawaf
    • International Journal of Computer Science & Network Security
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    • v.24 no.1
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    • pp.187-195
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    • 2024
  • This is an extended paper explaining the role of E-learning and quality development in the current situation. Amid Covid:19, E-Learning has achieved a new miles stone in imparting education and all levels of institutions have transformed their learning platform from face to face to virtual learning. In this scenario E-Learning is facing two major challenges, first to ensure the ability of computer systems or software to exchange and make use of information on virtual platform (interoperability) and secondly, developing quality learning through e-Learning. To impart learning and teaching (L&T) through E-learning, Middle East University (MEU) has adopted Learning Management Services (LMS) through Blackboard. The university has three types of L&T methods; full online, Blended and Supportive. This research studies the concept, scope and dimensions of interoperability (InT) of E-Learning in MEU then the connection and interdependence between with quality development. In this paper we have described the support and the importance of finest standards and specifications for the objectives of InT of E-Learning and quality development in MEU. The research is based principally on secondary data observed from MEU E-Learning deanship. Also sample of 20 E-Learning experts at MEU were given closed ended as well as semi closed questionnaires for evaluating the assurance of InT of E-Learning and quality development. These experts are mainly certified online facilitators and admin staff. Results provide the verification of application and presence of InT of E-Learning and assured the quality development process in MEU.

Concept Analysis of the Role in Nursing Profession (간호전문직에서의 역할의 개념분석)

  • Kang, Sung-Rye;Park, Jung-Ho
    • Journal of Korean Academy of Nursing Administration
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    • v.8 no.3
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    • pp.431-439
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    • 2002
  • Purpose : Nursing profession has been rapidly changed due to the development of bioscience and the change of medical service environment. Nursing profession that has been focused on only care giver's role like mother's in tradition, is required careful reflection new nursing role to cope properly to the change of medical service environment. In nursing profession, the concept of the role was used without an accurate definition, as a results, the concept of the role was mixed with the concept of the "activity", "job" and "function". Therefore, concept analysis of the role in nursing profession is needed to remove conceptual ambiguous and make confirm the true meaning of the role. Concept analysis is a strategy that examine the characteristics of a concept. It is a formal linguistic exercise to determine those defining attributes. The basic purpose of concept analysis is to clarify ambiguous concept in theory, and propose operational definition which reflects the theoretical base of the concept. Method : In this study, the concept of the role in nursing profession which was analyzed based on the steps of concept analysis by Walker & Avant(1988). Results : The attributes of the concept of the role in nursing profession are : 1. Basic factors to construct social structure. 2. Expected attitudes, values, behavior patterns according to the social status and position in social structure. 3. Perceptive attitudes, values, behavior patterns in order to social interaction. 4. Acquiring through continuous communication and learning. 5. Not fixative but changeable. The antecedents of the role in nursing profession are : 1. The social status and position which is possessed by a person. 2. Expected attitudes, values, behavior patterns according to the social status and position in social structure. 3. Acquiring through continuous interaction, communication, and learning process. And the consequences of the role in nursing profession are : 1. The role maintenance and the role expansion as a positive consequences. 2. The role conflict and the role loss as a negative consequences. Conclusion : Through this concept analysis, the concept of the role in nursing profession is defined as As basic factors to construct social structure, person's attitudes, values, behavior patterns which are expected from other social members according to person's social status and position, and perceived and acquired through continuous interaction, communication, and leaning process.

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A Study of the Development and the Application of the Concept of Universal Design into the LT Lesson Plan for the Chapter "Family life and Housing" (유니버설 디자인 개념을 적용한 "가족 생활과 주거 공간"단원의 협동학습 수업지도안 개발 및 적용)

  • 김영미;조재순
    • Journal of Korean Home Economics Education Association
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    • v.13 no.1
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    • pp.39-53
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    • 2001
  • The purpose of this study is to develop lesson plan and to evaluate its application for the chapter of 'family life and housing'in the class of Home Economics in the third grade of middle school through the application of the Universal Design. This study has been done in three phases : analysis. development. and evaluation phase. The results of this study were as follows : First. in the development of the concept of the Universal Design. the objective of learning aimed to build the housing and utilities for all family members. Moreover. the various learning materials such as computer program. video materials. and worksheets of the group work were utilized to enhance the effectiveness of the lesson plan. Second. the evaluation of the students was examined through the assessment of the concept of the design. and the degree of class participation of student at the end of class. The LT cooperative learning as an instructional method was perceived to be appropriate and the participation of the cooperative work was also enhanced. The use of the computer programs. and video tapes was considered to be useful. Third. the response of the teachers was found to be both positive and negative. Teachers'positive reactions indicated that the use of the Universal Design facilitated student's participation in class stimulating their motivations and creative ideas not only in the classroom but also in the real life as for the negative reactions. teachers perceived understanding of the concept of the Universal Design. the activities of the students and class hours were relatively shout. These should be added to by the further study with the teachers endeavor.

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Geographical Metacognition in the Reading Maps Inquiry Activity (중학생의 '지도 읽기' 탐구활동에서 나타나는 지리적 메타인지)

  • Kang, Chang-Sook
    • Journal of the Korean association of regional geographers
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    • v.11 no.2
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    • pp.263-277
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    • 2005
  • Since the 1980's, metacognition has been one of the core subjects in the studies on teaching-learning. There have been significant considerations about the metacognition in the reaching-learning become increasingly important in relation with learner's thinking. Though, metacognition has now become important concept used in learning process, there have not been sufficient researches in geographic education. The purpose of this parer is to define metacognition concept in geograpbic education. First, the concept of metacognition in geograpbic education, alike in the other education, can be classified as metacognitive knowledge and metacognitive function. Metacognitive knowledge can be categorized as knowledge about self, task, and strategy. Metacognitive function can be categorized as function about monitoring, evaluating and controling. Next, based on geographical metacognition concept, this paper is researched the characteristics of geographical metacognition in the students' reading maps inquiry activity.

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The Influences of Cognitive Conflict and Situational Interest by a Discrepant Event on the Conceptual Change Process in Learning the Concept of Combustion (연소 개념 학습에서 변칙 사례에 의한 인지 갈등 및 상황 흥미가 개념 변화 과정에 미치는 영향)

  • Choi, Sook-Yeong;Kang, Suk-Jin;Noh, Tae-Hee
    • Journal of The Korean Association For Science Education
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    • v.28 no.8
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    • pp.779-785
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    • 2008
  • In this study, we investigated the role of a discrepant event from both cognitive and motivational perspectives in learning the concept of combustion. A preconception test, a test of response to a discrepant event, and a situational interest questionnaire were administered to 433 eighth graders. After learning the concept of combustion, the tests of attention, effort, and conceptual understanding were administered as post-tests. The reponses of 208 students who had been found to possess the target misconception were analyzed. The percentages of rejection and exclusion responses were relatively high compared to the previous studies about density concept, whereas a proportion of belief change was low. The results of the path analysis indicated that situational interest after presenting an alternative hypothesis had a direct effect and an indirect effect via attention and effort on conceptual understanding. Situational interest induced by a discrepant event directly influenced cognitive conflict after presenting an alternative hypothesis.

The analysis of learners' difficulties in programming learning (프로그래밍 학습에서 학습자의 어려움 분석)

  • Choi, JeongWon;Lee, YoungJun
    • The Journal of Korean Association of Computer Education
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    • v.17 no.5
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    • pp.89-98
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    • 2014
  • Programming is excellent tool on realizing ideas. However students often complain of difficulties due to requiring the strict programming grammar and the highly thinking. Although various researches have been conducted to teach the programming easily for students, it should precede the analysis of what and why programming concept is difficult for learners. In this study, we analyzed what and why the programming concept is difficult for novice learners in basic programming education. Based on the results, we suggested: improving problem-solving skills based on accurate understanding and internalization on the programming concept, on reducing error between thought and execution results through the creation of sophisticated algorithms and on offering a variety of troubleshooting experience, establishing strategies to think freely for problem-solving process, and promoting the effectiveness of the learning through the learning procedure design.

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Impact of academic achievement and mathematical beliefs through instruction using concepts learning hand-out (개념학습지를 활용한 수업이 학업성취도와 수학적 신념에 미치는 영향)

  • An, Jong Su
    • Journal of the Korean School Mathematics Society
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    • v.16 no.3
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    • pp.519-538
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    • 2013
  • The purpose of this study, for each section of high school mathematics I help to verify the utillization of instructional class in the formation of students' academic achievement and mathematical beliefs. For this purpose we construct an experimental class and then analyse the students' change in those aspects after applying concept learning hand-out and colleage feedback on their works those students are in the experimental class. As a result of the experiment, we find that concept learning hand-out activity and colleague feedback made some significant changes on the students achievement in mathematics and mathematical beliefs. Therefore, in this study I want to solve the concrete problems are as follows. First, utilizing the concepts of mathematics tutoring lessons to improve students' academic achievement is it effective? Second, utilizing the concepts of mathematics tutoring classes does have a positive impact on students' mathematical beliefs? Third, utilizing the concepts of mathematics tutoring lessons for students what is the reaction?

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