• Title/Summary/Keyword: 소재분류

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스마트 항로표지 구조설계 요구분석에 관한 연구

  • 정재훈;채정근;고재영
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2021.11a
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    • pp.25-26
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    • 2021
  • 해양 4차 산업 도래에 맞춰 다기능 신(新)서비스를 제공하는 항로표지에 대한 요구가 증가하고 있으며, 이런 서비스 제공을 위해 국가정책적으로 스마트 항로표지 개발에 관한 연구가 추진되고 있다. 본 논문에서는 스마트 항로표지 구조설계를 위한 요구사항 분석의 일환으로 국내외에서 사용중인 특수목적 부표류를 사용용도별/형상별/소재별/전원공급 방식별로 분류하여 그 특징을 조사하였다.

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Classification of Type in North Korean Literature and Art. - focused on concepts and standards of classification - (북한 문학예술의 유형분류 연구 - 분류개념과 기준을 중심으로 -)

  • Kim, Jung-su
    • (The) Research of the performance art and culture
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    • no.19
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    • pp.123-160
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    • 2009
  • North Korea classify literature and art according to some concepts and standards. First, as concepts, North Korea classify Literature and Art in a species and a type. But in 1996, North Korea added third concept, a kind of Genre, Galae. This shows us that North Korea attempts to subdivide Literature and Art in classification. But there are not fixed contents in each type. So we can say that North Korea emphasis on principles of classification and at the same time they have a flexible attitude. Second, as standards, North Korea in 1987 used manner depicted, medium employed, capacity, a literary style, figured plot, quality and in 1992 used manner depicted, medium employed, object depicted, a mission, a function and in 1996 used manner depicted, medium employed, object depicted, a form of plot and in 2007 used manner depicted, medium employed, a scale and a capacity of work, a quality of materials and contents, emotional color of works, and so forth. So we can say that North Korea regard classification as an important thing as a basic work for developed Literature and art in future. And to South Korea, classification means that it could suggest a way for creative work for Literature and Art.

Classification Activity Thoughts of Elementary Sixth Grade Pupils about Artificial and Natural Stimulus (초등학교 6학년의 인공자극과 자연자극에 대한 분류 사고)

  • Choi, Hyun-Dong;Yang, Il-Ho;Kwon, Chi-Soon
    • Journal of The Korean Association For Science Education
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    • v.26 no.1
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    • pp.40-48
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    • 2006
  • The purpose of this study was to investigate 6th grade pupil's thoughts during classification activities. Two suitable tools in classification activity achievement were developed to achieve this purpose. The first was an artificial stimulus card in which the attribute was prominent; and the other a natural stimulus card in which the attribute was less prominent. Participants of the study were 8 6th grade pupils from D elementary school in Yeongdeungpo-gu, Seoul. Data were collected from interviews with the pupils, the pupil's recordings of classification, the investigator's observation of pupil's actions, and video recordings of the pupil's subject classification process. Results found in this study were as following. First, when doing classification 6th grade pupils considered attribute observation, attribute estimation, preliminary inspection, criteria selection, and sample identification. Second, 6th grade pupil classification thought process was found to be repetitive, passing through the steps of attribute observation, attribute estimation, preliminary inspection, criteria selection, and lastly, sample identification. Third, 6th grade pupils took advantage of cognitive economic efficiency. Study findings also revealed guidance for the teaching and learning of scientific classification. First, once teachers understand the classification thought process of students, more effective classification guidance will be possible. Second, it is necessary that guidance fit each step of the classification thought process.

A System for Automatic Classification of Traditional Culture Texts (전통문화 콘텐츠 표준체계를 활용한 자동 텍스트 분류 시스템)

  • Hur, YunA;Lee, DongYub;Kim, Kuekyeng;Yu, Wonhee;Lim, HeuiSeok
    • Journal of the Korea Convergence Society
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    • v.8 no.12
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    • pp.39-47
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    • 2017
  • The Internet have increased the number of digital web documents related to the history and traditions of Korean Culture. However, users who search for creators or materials related to traditional cultures are not able to get the information they want and the results are not enough. Document classification is required to access this effective information. In the past, document classification has been difficult to manually and manually classify documents, but it has recently been difficult to spend a lot of time and money. Therefore, this paper develops an automatic text classification model of traditional cultural contents based on the data of the Korean information culture field composed of systematic classifications of traditional cultural contents. This study applied TF-IDF model, Bag-of-Words model, and TF-IDF/Bag-of-Words combined model to extract word frequencies for 'Korea Traditional Culture' data. And we developed the automatic text classification model of traditional cultural contents using Support Vector Machine classification algorithm.

Standardization and Evaluation of Performance Textiles through the Consumer's On-line Reviews - Focused on Summer Knit Shirts Containing Cellulose Fibers - (인터넷 구매후기를 통한 의류제품 소재평가표준화와 소재성능평가 - 셀룰로오스 섬유를 함유한 여름용 니트 티셔츠를 중심으로 -)

  • Kwak, Soo-Kyung;Lee, Ji-Yeon;Park, Myung-Ja
    • Journal of the Korea Fashion and Costume Design Association
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    • v.18 no.2
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    • pp.177-190
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    • 2016
  • On-line consumer reviews are good references for consumers to evaluate and buy apparel products. The objective of this study is to facilitate communication about performance textiles between consumers and merchandisers who buy and sell apparel products on online. The survey was based on standardizing words used in consumer reviews written after purchase of summer knit t-shirts at internet shopping mall and evaluating the performance textiles including cellulose fibers. We collected reviews of five sorts of the clothing products including cotton/modal, tencel/polyurethane, polyester/rayon, linen, cotton and selected 1000 reviews related to textiles. For classifying each word used in the reviews by the performance textiles, they were quantified applying same standards. The results were as follow: First, the standard for consumer to consider importantly was tactile sensation, appearance, pilling, thickness, dimensional stability in washing. Second, the important category of performance textiles was healthy-comfort and psychological-comfort. Third, there were difference performance textiles for consumer to recognize, e.g. cotton/modal was important to air-permeability, tencel/polyurethane was noticed about tactile sensation, polyester/rayon was perceived about pilling unlike other things, linen had a problem of clothing care-convenience, then cotton was familiar fiber to important for appearance. The last, consumers usually focused on writing the most positive or negative online reviews. Although not familiar with professional terminologies, consumers are sensitive to physical properties of textiles. Therefore, standardizing and evaluating performance textiles are expected to improve satisfaction as providing objective information to consumers considering in buying apparel products at online shopping mall and increase in revenue to manufacturer.

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Case Study of Digital Restoration of Korean Traditional Monsters (한국 전통 몬스터 디지털 복원 사례 연구)

  • Han Kwang-Sik
    • The Journal of the Korea Contents Association
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    • v.4 no.4
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    • pp.21-32
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    • 2004
  • This study is aimed that reappearance and restoration of Korean tradition monster's original shape be able to contribute in scenario material development which is filled with history, culture and long imagination of our country. As for method of this study, it is on the basis of literature investigation in history, tale, folk-tale etc. and expert's research, and also restored 50 items of Korean tradition monster in digital way. Study finding is as following. First, prescribed scope of Korean tradition monster including god, ghost, bogy and animal. Second, Korean tradition monster's pattern is classified with S degrees and 4 classes to according to grade of rank and appearance place. Third, each of 50 traditional monsters which are usable to scenario substance development was produced with graphic image and flash animation. Fourth, suggested idea for material development of cultural contents industry as like game and character based on each monster's story. Expect the developed result production from this study to be used as a resource of elevating in comprehension forward to our cultural tradition, to be used as a unique material in field of culture contents industry of game, character, cartoon and movie etc.

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The Detection of Promising R&D Fields m OLED Illumination Industry (OLED 조명산업 내 R&D 유망 분야 발굴)

  • Sim, Jin-Bo;Kim, You-Jin
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.36 no.11B
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    • pp.1403-1412
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    • 2011
  • This study performed a detecting research of promising R&D field utilizing intuitive methodology regarding OLED illumination industry. For this, 69 professionals of the illumination industry in Korea were composed as a panel to hold an in-depth interview and survey for 1 month. The study classified the OLED illumination industry as 4 fields of panel, material/component for panel, manufacturing equipment, and lighting system, and selected core technology for each field, and divided it into a total of 14 possible fields for R&D. As a result of evaluating the technological competitive power for each field, the field in Korea which received the highest technological competitive power was OLED panel, and contrarily, technological competitive power of material/component for OLED panel showed the lowest, which requires improvement Meanwhile, evaluating economical aspect, conformity to policy, and effectiveness of R&D in general, 7 promising R&D fields were selected. The 4 core technologies of OLED panel, which are, white, transparent, color change and flexible OLED manufacturing technology were evaluated as the most promising fields, and next, organic material for surface light source, material/component for substrate and equipment for forming large sized substrate were evaluated as promising fields.

A Study on Structural Characteristics of SM490A TMC Thick Steel Plates (SM490A TMC 후판강재의 소재 및 용접부 특성에 관한 연구)

  • Kim, Jong Rak;Park, Yang Hee
    • Journal of Korean Society of Steel Construction
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    • v.15 no.3
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    • pp.331-339
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    • 2003
  • The study discussed in this paper investigated the material characteristics for the Thermo-Mechanical Control Process(TMCP) plates, which are controlled by several factors such as rolling, cold-stripping, cooling rate, and fixed carbon quantity. The suitability of thick TMCP steel plates as structural steel was also estimated through several experiments and with the us of a statistical method to analyze mill certificate sheets provided by the manufacturer. The results of this study are as follows: the TMCP steel plates showed stable values of the composition parameter ($P_cm$) and the carbon equivalents ($C_eq$ ) with satisfied yield strength, ultimate strength, and low-yield ratio.

A Study on Resource Organization in Infants & Young Children's Sections in Public Libraries: Focusing on the Arrangement of Library Materials in J City's Municipal Libraries (공공도서관 영유아실 자료조직 실태분석에 관한 연구: J시 시립도서관의 배가를 중심으로)

  • Hyeong, Eunyoung;Kim, Soojung
    • Journal of the Korean Society for information Management
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    • v.33 no.3
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    • pp.85-106
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    • 2016
  • With a purpose of investigating the current status of resource organization for infants and young children's resources, this study examined 8 municipal libraries in J city and suggested recommendations for improvements. To do that, interviews were conducted with 8 children's librarians and 25 users, who were parents visiting the libraries. All libraries examined were using KDC to classify young children's resources, but books were shelved by the alphabetic order of publishers' names. This arrangement strategy was regarded very convenient in re-shelving materials from the perspective of librarians, but users had difficulties in finding books because of the separation of the classification system and the arrangement system. Also, the online public cataloging system did not provide accurate and sufficient information to locate a book. Based on the results, this study suggested two ways for improvements: (1) classifying and arranging books by KDC, (2) developing a new classification system customized to infants and young children.

A Study on the MARC Format for Classification Data (분류용 MARC 포맷에 관한 연구)

  • Oh Dong-Geun
    • Journal of the Korean Society for Library and Information Science
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    • v.33 no.1
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    • pp.87-111
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    • 1999
  • This article investigates the functions, needs, and developments of the MARC format for classification data. and recommends the development for the KORMARC format for classification data. It ae analyzes the record structure, content designation and the content of it mainly based on USMARC format. Structure and content designation are almost same with those of the bibliographic and authority formats. The data fields divided into functional blocks based on their functions. Record contents of the data in the fixed-length fields include more elements on the classification numbers, including type of number, classification validity, standard or optional number, synthesized number. Variable fields can be grouped into several blocks, inducing those for numbers and codes: for classification numbers and terms; for references and tracings; for notes fields: for index terms fields, and for number building fields. Data in each fields of this format have the same contents with those in other related fields as soon as possible. This article analyzes the content in each data fields in detail.

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