• Title/Summary/Keyword: Concept-based

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A Multi-Strategic Concept-Spotting Approach for Robust Understanding of Spoken Korean

  • Lee, Chang-Ki;Eun, Ji-Hyun;Jeong, Min-Woo;Lee, Gary Geun-Bae;Hwang, Yi-Gyu;Jang, Myung-Gil
    • ETRI Journal
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    • v.29 no.2
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    • pp.179-188
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    • 2007
  • We propose a multi-strategic concept-spotting approach for robust spoken language understanding of conversational Korean in a hostile recognition environment such as in-car navigation and telebanking services. Our concept-spotting method adopts a partial semantic understanding strategy within a given specific domain since the method tries to directly extract predefined meaning representation slot values from spoken language inputs. In spite of partial understanding, we can efficiently acquire the necessary information to compose interesting applications because the meaning representation slots are properly designed for specific domain-oriented understanding tasks. We also propose a multi-strategic method based on this concept-spotting approach such as a voting method. We present experiments conducted to verify the feasibility of these methods using a variety of spoken Korean data.

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Parametric density concept for long-range pipeline health monitoring

  • Na, Won-Bae;Yoon, Han-Sam
    • Smart Structures and Systems
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    • v.3 no.3
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    • pp.357-372
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    • 2007
  • Parametric density concept is proposed for a long-range pipeline health monitoring. This concept is designed to obtain the attenuation of ultrasonic guided waves propagating in underwater pipelines without complicated calculation of attenuation dispersion curves. For the study, three different pipe materials such as aluminum, cast iron, and steel are considered, ten different transporting fluids are assumed, and four different geometric pipe dimensions are adopted. It is shown that the attenuation values based on the parametric density concept reasonably match with the attenuation values obtained from dispersion curves; hence, its efficiency is proved. With this concept, field engineers or inspectors associated with long-range pipeline health monitoring would take the advantage of easier capturing wave attenuation value, which is a critical variable to decide sensor location or sensors interval.

Development of Mobile Phone Menu Structure based on Visual Concept Map (Visual Concept Map 에 기초한 핸드폰 메뉴 구조 개발)

  • Lee, Suk-Won;Myung, Ro-Hae;Kim, In-Soo
    • 한국HCI학회:학술대회논문집
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    • 2008.02b
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    • pp.399-404
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    • 2008
  • 사용자 중심의 메뉴 기반 인터페이스를 설계하기 위해서는 인간의 지식 구조를 이해하는 것이 중요하다. 인간의 지식 구조를 이해하게 되면, 인터페이스를 통해서 전달된 자극들이 만들어낸 개념들이 어떠한 관계를 가지고 정신 모형(mental model)을 형성하고 있는지 알 수 있다. 인간의 지식 구조는 MDS (Multidimensional Scaling)과 Trajectory Mapping을 이용하여 Visual Concept Map 으로 나타낼 수 있고, 이것을 바탕으로 인간의 지식구조를 시각적으로 이해할 수 있다. MDS 는 인간의 머릿속에 자리잡고 있는 개념들의 상대적 위치를 알려주고, Trajectory Mapping 은 개념들 간의 연결 상태를 보여준다. 즉, Trajectory Mapping 을 통하여 개념들 간악 인지적 정보를 알 수 있다. 본 연구에서는 MDS 와 Trajectory Mapping 을 이용하여 핸드폰 메뉴로부터 전달 받은 시각적 자극들에 악해 형성된 개념들에 대한 인간의 지식 구조를 Visual Concept Map 으로 시각화하였다. 그리고 이렇게 시각화된 지식 구조를 바탕으로 메뉴 구조를 개발하였다. 본 연구 결과, MDS 와 Trajectory Mapping 을 이용한 인간의 지식 구조의 시각화는 사용자 중심의 메뉴 기반 인터페이스를 설계하는데 유용하게 쓰일 수 있을 것으로 보인다.

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An Analysis of the Studies on Scienctific Concepts and Instructional Models (과학 개념의 특성과 학습지도 방법에 관한 연구의 분석)

  • Cho, Hee-Hyung
    • Journal of The Korean Association For Science Education
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    • v.16 no.1
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    • pp.77-86
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    • 1996
  • The purpose of this study was to review the studies related to concept learning forcusing on the meanings, kinds, and characteristics of concepts. Then the characteristics of the concepts were analyzed in the three positions: metaphysics, epistemology, and psychology. It was identified that the word 'concept' were confused with the other words such as conception, construct, idea, notion, identity. It was also found that researchers defined the concepts by the use of various meanings. The instructional strategies for scientific concepts were also analyzed in this study. The study found that the instructional strategies for concept learning were developed according to the views about the nature of concepts. Described on the paper are three types of instructional models for science concepts suggested by constructivists as follows: concept formation, concept differentiation, and exchange. They developed the models based on the current research on the misconceptions of major scientific concepts.

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The Effect of Science Writing Heuristic on Concept Formation of Light in 'Mirrors and Lenses' and Scientific Attitudes

  • Kwon, Sunggi;Lee, Su-Young;Jeong, Min-Ah
    • Journal of The Korean Association For Science Education
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    • v.32 no.6
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    • pp.1027-1038
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    • 2012
  • We investigated the effect of Science Writing Heuristic (SWH) on elementary students' concept formation and their retention. Also we explored the interaction effect of those with scientific attitudes. We developed mirrors/lenses lessons incorporating SWH. An experimental group of fifth grade students (n=25) had been instructed with SWH lessons for six periods while a control group (n=25) taught according to the normal science lessons based on the Korean national curriculum using teacher's guides published by the Ministry of Education. Results of pre- and post-test of understanding the concept of mirrors and lenses showed a positive impact of SWH on both male and female students. However, the retention effect after post-test revealed that SWH only had an effect on female students' scientific attitudes. SWH, therefore, could be an effective teaching approach especially on concept formation, retention effects by fostering female students' scientific attitudes.

A Study on the concept of 'Individual' found in works of Archigram Group (아키그램의 건축에서 나타나는 '개인'의 개념에 관한 연구)

  • Kwon, Je-Joong
    • Korean Institute of Interior Design Journal
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    • v.19 no.1
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    • pp.158-168
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    • 2010
  • The purpose of this study is to analyze the concept of 'individual' found in architecture of British Archigram Group. Although many critics and historians have judged Archigram as a simple technocrat, the concept of individual employed by Archigram since their Living City Exhibition undermine their representational works. Archigram's concept of individual was basically influenced by the European historical context since the Renaissance and at the same time by the philosophy of existentialism. Since Archigram proposed their individualistic trend In the Living City Exhibition, they have created many individualistic architecture such as Living Pod, Cushicle, Suitaloon, etc. Through these experimental projects, Archlgram's concept of individual did not intend to get rid of the society itself, but to form a society based on the individual autonomy and on the interaction between individuals. In the city of Archigram, there was ultimately the new symbiosis between individual units and this symbiosis completed new world.

Concept Analysis of Empathy (공감에 대한 개념분석)

  • Choi, Sun Yeob
    • Journal of Korean Academy of Fundamentals of Nursing
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    • v.26 no.3
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    • pp.145-154
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    • 2019
  • Purpose: This study was done to analyze and clarify the concept of empathy in nursing. Methods: Using the concept analysis framework of Walker & Avant 68 articles about empathy were selected for this study. Results: Defining attributes of empathy included recognizing others' perspective and thought, understanding others' emotion, and communicating with them. The antecedents of empathy included contact with patients, respect and trust for patients, a certain level of cognitive ability, and communication skills. Consequences of empathy were increasing patient self-understanding, self-awareness as a therapeutic subject and improving quality of nursing. The concept was clarified through presentation of model, borderline, related, and contrary cases. Conclusion: The results of this study are meaningful in that the concept and attributes of empathy are explored in the area of nursing. Also, based on results of this study, development of standardized tools to measure patient-perceived empathy and measure the three attributes of empathy is recommended as well as the development of educational programs to enhance empathy.

A New Therapeutic Approach to Dystonia

  • Lee, Young-Jun
    • Journal of TMJ Balancing Medicine
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    • v.11 no.1
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    • pp.1-11
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    • 2021
  • Dystonia is a neurological disorder characterized by involuntary and uncontrollable muscle tonus abnormalities. It is a huge burden not only to the patients and their families, but also to the field of medicine, in that there has hardly been any substantial change in the concept of and approach to this intractable disorder and therefore no breakthrough to its diagnosis, evaluation and treatment. As an effort to solve the current impasse, this review briefly summarizes the current concept, etiology, diagnosis, treatment and management, and then suggests a rather new therapeutic approach to this disorder, based on the concept of neurological balance and TMJ integrative approach. These new approaches will provide a platform for the clinicians and researchers to have a leap in the concept, diagnosis and therapeutics.

Planar near-field antenna measurement method based on symplectic relation and reaction concept

  • Cho, Yong-Heui
    • International Journal of Contents
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    • v.6 no.2
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    • pp.6-9
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    • 2010
  • Using symplectic relation and reaction concept, we propose a planar near-field antenna measurement method. A generalized probe compensation equation is deduced to obtain the probe correction formulation. To verify our approach, a reflector antenna with $1{\times}2$ horn array is fabricated and measured in the near-field measurement facility. The near-field measurement results are compared with the physical optics (PO) simulation. The results of measurement and simulation agree very well near to the mainbeam.

Inference and estimation using experience-based knowledge

  • Sakai, Y.
    • 제어로봇시스템학회:학술대회논문집
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    • 1992.10b
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    • pp.636-641
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    • 1992
  • In the human cognitive activity, experiencing plays a basic role. This is modeled by the idea of experience sequence here, which has been proposed by the author for the incorporation of the factor of experiencing in man-machine communication. Experience sequence is for modeling the human concept formation through experiencing. Knowledge manipulation requires concept understanding as its basis. An experience sequence deals with such a process of concept formation.

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