• Title/Summary/Keyword: direct learning

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Feature Analysis for Fisheries Electronic Catalog′s Standards (수산물 전자카탈로그 표준화를 위한 속성 분석)

  • 김진백
    • The Journal of Fisheries Business Administration
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    • v.33 no.1
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    • pp.19-41
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    • 2002
  • Recently, the number of Internet shopping malls increases dramatically Internet shopping malls offer direct sales by electronic catalogs. As compared with to physical stores and paper catalogs, electronic catalogs differ in terms of the varieties and types of products offered, promotional efforts, service, interface, ordering and delivering, and so on. This paper analysed the features of electronic catalogs for fisheries by 45 variables. By descriptive statistics of electronic catalogs for fisheries, most electron)c catalogs had sufficient product related information. But promotion and transaction security related features were scarce. And some development technologies of electronic catalogs for fisheries were obsolete. By factor analysis, there were 9 factors of electronic catalogs for fisheries, that was, design of product pages, transaction information, playfulness, convenience of product selection, interface design, design of homepages, product information, learning capability, other electronic catalog related factor. Thus in standardizing electronic catalog for fisheries products, the above 9 factors should be reflected significantly.

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Inverse Calibration of a Robot Manipulator Using Neural Network (뉴럴 네트워크를 이용한 로봇 매니퓰레이터의 역보정)

  • 정동연;김종수;한성현
    • Proceedings of the Korean Society of Machine Tool Engineers Conference
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    • 1999.05a
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    • pp.199-204
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    • 1999
  • The robot inverse calibration method using a neural networks is proposed in this paper. A high-order networks has been used in this study. The Pi-Sigma networks uses linear summing units in the hidden layer and product unit in output layer. The inverse calibration model which compensates the difference of joint variables only between measuring value and analytic value about the desired pose(position orientation) of a robot is proposed. The compensated values are determined by using the weights obtained from the learning process of the neural networks previously. To prove the reasonableness, the selected compliance automatic robot arm type direct drive robot and anthropomorphic robot are simulated. It shows that the proposed calibration method can reduce the errors of the joint variables from ${\pm}$0.15$^{\circ}$to ${\pm}$0.12$^{\circ}$.

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Development of Think-aloud Program for Acquiring Abstraction Concept

  • Kim, Ji-Yun;Lee, Tae-Wuk
    • Journal of the Korea Society of Computer and Information
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    • v.21 no.12
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    • pp.227-234
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    • 2016
  • In this paper, we propose a think-aloud program for acquiring abstraction concept. Think-aloud is a technique, which is good for teaching higher-order thinking skills to learner. We intend to propose a program for teaching abstraction concept to learners directly, as software education is being reinforced in the current education policy. For the study, we develop a program depending on ADDIE model. According to these steps, we analyzed related works such as computational thinking, think-aloud technique, and direct instructional model. After that, we split and structuralized the learning tasks for achieving a goal. And then, we constructed steps for the instruction and detailed contents of the program. We did a survey for verification to nine experts and we corrected the program according to it.

Development and Effect of Environmental Education Program for Environmentally Sound and Sustainable Development(ESSD) (지속가능한 개발을 위한 환경교육 프로그램의 개발과 그 효과)

  • 박진희;장남기
    • Hwankyungkyoyuk
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    • v.8 no.1
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    • pp.98-106
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    • 1995
  • A current environmental issue, 'Enviromentally Sound and Sustainable Development(ESSD)' is very important in that it is for our common future. Environmental education is essential as a long-term strategy to realize sustainable environments and society. So we developed a new program about ESSD. The purposes of development were as follows. First, introduce ESSD to students, second, make them know ESSD appropriate to our nation, third, make change from economy-centered thoughts to environmental economy-centered thoughts, ultimately make form behaviors related to ESSD. To verify the effects of new developed program, the direct learning was carried out by 212 students in total. Post test scores of experimental groups were significantly higher than those of control groups about four goals, respectively. Therefore this program is effective to achieve four goals of environmental education for ESSD.

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A Study on the Reggio Kindergarten Planning (레지오 유치원 계획안 연구)

  • Kang, Hye-Jin
    • Proceedings of the Korean Institute of Interior Design Conference
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    • 2005.05a
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    • pp.259-262
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    • 2005
  • Since the importance of early education has been emphasized the Reggio preschools based on the philosophy of open education has been recreated in Korean culture. The Reggio Emilia approach to education is committed to the creation of conditions for learning that will enhance and facilitate children's construction of their own powers of thinking. Dream and hope of children are reflected in every where of the Reggio preschools that great attention is given to the look and feel of the classroom and environment is considered the‘third teacher.’ The results of the kindergarten design as a way of expressing direct, indirect and eclectic images using nature, that natural elements can become the elements of design in any form, and that nature's images are expressed by not only natural and artificial materials. In addition, safety and harmony with adjacent outdoors are also importantly considered in kindergarten design. Even though there were some limitations on this planning, the findings can be utilized as a basis for generating interior environmental recommendations for planning a better quality of kindergarten.

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Adaptive Control Based on Fuzzy-CMAC Neural Networks (Fuzzy-CMAC 신경회로망 기반 적응제어)

  • Choi, J.S.;Kim, H.S.;Kim, S.J.;Kwon, O.S.
    • Proceedings of the KIEE Conference
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    • 1996.07b
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    • pp.1186-1188
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    • 1996
  • Neural networks and fuzzy systems have attracted the attention of many researehers recently. In general, neural networks are used to obtain information about systems from input/output observation and learning procedure. On the other hand, fuzzy systems use fuzzy rules to identify or control systems. In this paper we present a generalized FCMAC(Fuzzified Cerebellar Model Articulation Controller) networks, by integrating fuzzy systems with the CMAC(Cerebellar Model Articulation Controller) networks. We propose a direct adaptive controller design based on FCMAC(fuzzified CMAC) networks. Simulation results reveal that the proposed adaptive controller is practically feasible in nonlinear plant control.

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Internet Based of Direct Current Motor Real Time Remote PID Control System (인터넷 Web 기반의 서보모터 실시간 원격 PID 제어 시스템)

  • Hong, Sang-Eun;Kang, Hoon-Suk;Lee, Tae-Bong
    • Proceedings of the KIEE Conference
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    • 2005.07b
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    • pp.1120-1122
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    • 2005
  • 인터넷의 급속한 보급으로 인해 데이터 전송 시 발생하는 공간상의 제약을 쉽게 극복 할 수 있게 되어 전 세계 어디서든지 데이터를 주고받을 수 있게 되었다. 이러한 인터넷 웹기반의 장점을 살려서 그동안 실험 연구용으로 사용하던 서보시스템의 PID 제어방법을 인터넷을 기반으로 한 원격제어 시스템으로 구현하였다. 본 논문에서는 DC 서보 모터와 모터 제어 보드, NI사의 DAQ, PC로 시스템을 구현 하였다. UI(User Interface)는 LabVIEW 프로그램을 이용하여 GUI(Graphical User Interface)로 DC 서보 모터의 제어와 작동상태의 모니터링이 용이하도록 하였고, 최적의 PID 이득값을 설정하여 원하는 속도 응답 특성이 양호한 제어를 할 수 있게 하였다. 더 나아가 PID 제어 방법을 원격 실시간의 가상 실습이 가능한 e-Learning에 적용 할 수 있음을 확인하였다.

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Analysis on Korean Middle School Mathematics Textbooks Published in the 1st National Curriculum Period Centerea on the Concept 'Straight Line' (제1차 교육과정기 중학교 수학교과서에 나타난 직선 관련 내용의 구성 및 전개 방식 분석)

  • Do, Jong Hoon
    • Journal for History of Mathematics
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    • v.30 no.2
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    • pp.101-119
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    • 2017
  • This paper is a follow up study of [2]. In this paper we analyse the contents of middle school mathematics textbooks published in the 1st National Curriculum Period centered on the concept 'straight line' and discuss how they are different from contemporary mathematics textbooks in view of connectedness of contents, mathematical terms, textbook as a learning material vs. teaching material, relationship between contents of national curriculum and textbooks, and some topics related to direct proportion, function, method of equivalence as a method for solving simultaneous linear equations and so on. The results of our analysis and discussion suggest implications for reforming mathematics curriculum and developing mathematics textbooks.

The Acquisition of Spanish Clitic Pronouns as a Third Language: A Corpus-based Study

  • Lu, Hui-Chuan;Cheng, An Chung;Chu, Yu-Hsin
    • Asia Pacific Journal of Corpus Research
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    • v.1 no.2
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    • pp.15-26
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    • 2020
  • This corpus-based study investigated third language acquisition by Taiwanese college students in learning Spanish clitic pronouns at beginning and intermediate levels. It examined the acquisition sequences of Spanish clitic pronouns of the Chinese-speaking learners whose second language was English and third language was Spanish. The results indicated that indirect object pronouns (OP) preceded direct OP (case), first person preceded third person OP (person), masculine preceded feminine OP (gender), and animate preceded inanimate OP (animacy). The findings presented similar patterns as those of previous studies on English-speaking learners of Spanish. In further comparisons of the target forms in Chinese, English, and Spanish, the results suggested that L1 Chinese had strong influence on L3 Spanish, which accounts for the challenges that Taiwanese learners of Spanish face as they learn the Spanish clitic pronouns in the beginning stage.

A Study on the Alternative Method of Video Characteristics Using Captioning in Text-Video Retrieval Model (텍스트-비디오 검색 모델에서의 캡션을 활용한 비디오 특성 대체 방안 연구)

  • Dong-hun, Lee;Chan, Hur;Hyeyoung, Park;Sang-hyo, Park
    • IEMEK Journal of Embedded Systems and Applications
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    • v.17 no.6
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    • pp.347-353
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    • 2022
  • In this paper, we propose a method that performs a text-video retrieval model by replacing video properties using captions. In general, the exisiting embedding-based models consist of both joint embedding space construction and the CNN-based video encoding process, which requires a lot of computation in the training as well as the inference process. To overcome this problem, we introduce a video-captioning module to replace the visual property of video with captions generated by the video-captioning module. To be specific, we adopt the caption generator that converts candidate videos into captions in the inference process, thereby enabling direct comparison between the text given as a query and candidate videos without joint embedding space. Through the experiment, the proposed model successfully reduces the amount of computation and inference time by skipping the visual processing process and joint embedding space construction on two benchmark dataset, MSR-VTT and VATEX.