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검색결과 990건 처리시간 0.023초

한국인을 위한 외국어 발음 교정 시스템의 개발 및 성능 평가 (Performance Evaluation of English Word Pronunciation Correction System)

  • 김무중;김효숙;김선주;김병기;하진영;권철홍
    • 대한음성학회지:말소리
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    • 제46호
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    • pp.87-102
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    • 2003
  • In this paper, we present an English pronunciation correction system for Korean speakers and show some of experimental results on it. The aim of the system is to detect mispronounced phonemes in spoken words and to give appropriate correction comments to users. There are several English pronunciation correction systems adopting speech recognition technology, however, most of them use conventional speech recognition engines. From this reason, they could not give phoneme based correction comments to users. In our system, we build two kinds of phoneme models: standard native speaker models and Korean's error models. We also design recognition network based on phonemes to detect Koreans' common mispronunciations. We get 90% detection rate in insertion/deletion/replacement of phonemes, but we cannot get high detection rate in diphthong split and accents.

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최신의 컴퓨터기술을 적용한 원방감시시스템의 사업수행과 관리 (Project Implementation an Management for the State of the Art Computerized Supervisory Systems)

  • 윤갑구
    • 기술사
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    • 제26권3호
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    • pp.69-79
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    • 1993
  • This paper explains about general considerations and project management for a State of the Art utility supervisory systems. [1] The implementation and management of a supervisory system design project requires both a dedication of resources and application of good communications in order to be suc-cessful. [2] Success is on time delivery of a system to a satisfied customer at the proposal cost, [3] The recent experience of a company plus the collected comments from a number of ex-perienced control center project management provide a guideline for the company who is considering such a project. The Comments reflect typical situations or decision points faced by the project Manage.[2] This paper also attempts to help engineers in the task of specifying buying, and instal-ling a supervisory system[1]

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Sustainable Industry-Academia-Government Collaborative Education Focusing on Advantages of Industry: Long-term Internship after 5years Practice

  • Morimoto, Emi;Yamanaka, Hideo
    • 공학교육연구
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    • 제15권5호
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    • pp.47-53
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    • 2012
  • Practical problem-solving studies in a company or organization have provided great advantages for our university and students. For example, such studies can lead them to build a stronger relationship with local governments and companies as well as develop their research through collaborative studies. On the other hand, comments from companies or organizations that accepted our students showed that they did not always have advantages. This study seeks ways to establish a sustainable long-term internship program that can offer advantages for companies. Advantages and disadvantages of the internship are written by the company on the evaluated sheet. These feedback comments are analyzed by text-mining approach. It is shown that there are three types of company and organizations depending on their reasons for accepting students. Next, suitable internship programs for each type, including their period and expense distribution are presented.

농업수리구조물의 문제점과 해결방향 (A Study on the Problems Encountered and Comments on their Solutions of Agricultural Hydraulic Structures)

  • 박광수;신수균;박미현
    • 한국농공학회:학술대회논문집
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    • 한국농공학회 2001년도 학술발표회 발표논문집
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    • pp.162-170
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    • 2001
  • The majority of important structures are made of concrete. Recently earth canals have increasingly been changed to concrete-based irrigation structures every year for higher efficiency of water conveyance and easier maintenance. Unfortunately these concrete structures for agricultural purpose have serviced to only $15{\sim}20$ years, which amounts to only about one third of target service life and will finally result in natural resources waste and weakening of competitive power of agriculture and farmers. Moreover, recently increased concerns of phil-environment have required reconsideration of the roles, shapes, service lives of the irrigation structures. Hereby, this study is presented to find out suggestions or comments on the solutions to the problems of shorter service life and the resultant environmental impact encountered recently in the hydraulic structures for the prosperity of farmers, agriculture and this country.

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EFL Students' Beliefs and Processing Behaviors toward Writing and Teacher Response

  • Chin, Cheong-Sook
    • 영어어문교육
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    • 제13권4호
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    • pp.1-32
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    • 2007
  • This study took a cross-sectional, quantitative approach and profiled EFL students' awareness of the writing process and of teacher feedback. The subjects were 113 college students aged 19-26 years from non-English majors, who were enrolled in three sections of a required English course. According to the scores gained from the essay writing assignment, they were divided into two groups (proficient and less-proficient writers) and responded to an in-class survey. Major findings were that: (1) the vast majority of both groups did not find English writing enjoyable; (2) longer comments gave rise to substantial changes to the students' revisions; (3) the less-proficient writers were shown to benefit from revision significantly more than the proficient writers; (4) Both groups of writers utilized multiple strategies to process teacher feedback and preferred to receive teacher comments using complete sentences rather than phrases or single words; and (5) teacher's marks on grammar and vocabulary claimed to be most conducive to EFL writing development. Several important implications for EFL writing instruction and for future studies are suggested.

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1, 2세 영아-어머니의 가정에서의 책 읽기 상호작용 (Mother-Infant Book Reading in the Home)

  • 채유진;김명순
    • 아동학회지
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    • 제20권2호
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    • pp.125-138
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    • 1999
  • This study explored mother-infant interactions during reading of picture books with and without printed words. The interactions of 40 mother-infant dyads(??) were video-taped while mothers read the books aloud to their 1- or 2-year-old child at home. When reading the books with words, mothers used more "where" questions and gave more feedback to the non-verbal behavior of the infants. Mothers gave more labels, descriptions, predictions, and "what", "function/activity" questions when reading the wordless book. The infants used more nonverbal answers reading the book with words. The mothers of the 2-year-olds used more "what", "function/activity" questions, and gave feedback to their verbal behaviors. The 2-year-olds used more imitation, verbal answers, and comments. For the mothers of the 2-year-olds, the interaction with the wordless book led to more attention-recruiting and bridging. For the children, however, reading the wordless book led to more labels, questions, and comments.

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$CO_2$레이저 절단을 위한 전문가 시스템 개발에 관한 연구 (A Study on the Development of an Expert System for $CO_2$ Laser Cutting)

  • 최은석;한국찬;나석주
    • Journal of Welding and Joining
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    • 제12권3호
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    • pp.71-81
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    • 1994
  • Laser cutting is experiencing a rising worldwide acceptance in the industry. Expert systems are necessary for the systematic arrangement and searching of experimental data existing in journal papers, job handbooks, etc.. This paper proposes an expert system for the selection of the appropriate laser cutting variables from the available database. Optimum cutting conditions according to the given cutting velocity were searched and qualitative comments which are difficult to be used as database variables were shown at each velocity using the binary and fuzzy inference. These comments could be informative to unskilled operators of the laser cutting process. Typical cutting conditions of the mild steel and stainless steel were included and the working range and quality variations were displayed graphically. The proposed algorithm was implemented in an IBM compatible personal computer as an expert system for CO$_{2}$ laser cutting to derive the optimum cutting conditions by using the turbo prolog.

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