• Title/Summary/Keyword: 컴퓨터의자료

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Name Disambiguation using Cycle Detection Algorithm Based on Social Networks (사회망 기반 순환 탐지 기법을 이용한 저자명 명확화 기법)

  • Shin, Dong-Wook;Kim, Tae-Hwan;Jeong, Ha-Na;Choi, Joong-Min
    • Journal of KIISE:Software and Applications
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    • v.36 no.4
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    • pp.306-319
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    • 2009
  • A name is a key feature for distinguishing people, but we often fail to discriminate people because an author may have multiple names or multiple authors may share the same name. Such name ambiguity problems affect the performance of document retrieval, web search and database integration. Especially, in bibliography information, a number of errors may be included since there are different authors with the same name or an author name may be misspelled or represented with an abbreviation. For solving these problems, it is necessary to disambiguate the names inputted into the database. In this paper, we propose a method to solve the name ambiguity by using social networks constructed based on the relations between authors. We evaluated the effectiveness of the proposed system based on DBLP data that offer computer science bibliographic information.

3-Dimensional Printing for Mesh Types of Short Arm Cast by Using Computed Tomography (전산화단층영상을 이용한 그물형 손목 부목의 3D 프린팅)

  • Seoung, Youl-Hun
    • The Journal of the Korea Contents Association
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    • v.15 no.1
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    • pp.308-315
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    • 2015
  • The purpose of this study, using 3D printer, was tried to fabricate the short arm cast of mesh types that can be hygienic and adequate ventilation with a good radiography. We used the multi channel computed tomography (MDCT) with three dimension printer device of the fused deposition modeling (FDM) techniques. The material is used a degradable plastic (poly lactic acid, PLA). Three-dimensional images of the short arm were obtained in the MDCT and then make the three-dimensional volume rendering. Three dimension volume rendering of the short arm is implemented as a tomography obtained in MDCT. Virtual mesh type cast model was output as three-dimensional images is designed based on the three-dimensional images of the short arm. As a results, the cast output by 3D printers were able to obtain excellent radiograph images than the conventional cast, and then it can decreased itching with unsanitary, and can break down easily to the cast. In conclusion, the proposed virtual mesh type cast output by 3D printers could be used as a basis for future three-dimensional printing cast productions and offered help to patients in the real life.

하이힐이 허리 근육 피로에 미치는 영향에 관한 연구

  • 현수돈;김정룡
    • Proceedings of the ESK Conference
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    • 1997.04a
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    • pp.304-310
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    • 1997
  • 연세대학교 영동세브란스 병원에서 94년 요통환자 2천4백10명을 직업별로 분류한 결과, 주부가 56%, 학생이 13.4%를 차지했다고 발표했다. 특히 주부환자비율은 85-90년에 38.9%로 조사된 것에 비하면 주목할만한 증가세를 보였다. 이러한 주부요통증가의 원인 중 임상적으로 이미 확인된 것이 하이힐에 의한 것이다. 하이힐을 신을 경우 허리에 부담을 주고 요통을 유발할 수 있다는 것이다. 그러나, 이러한 임상적 가설에 대한 구체적인 연구나 검증이 이루어진 바 없어 하이힐이 허리에 어떤 영향을 주는지에 대해 확인할 수 없었다. 따라서, 본 연구에서는 하이힐이 허리에 미치는 영향에 대한 임상적 가설을 검증하고 영향 정도에 대한 구체적 수치를 제시하고자 한다. 이를 위해 5명의 신체 건강한 20대 초반의 여성들이 모집되었고, 하이힐의 굽높이를 독립변수로, 허리 근육 피로도를 종속 변수로 설정하여 하이힐의 굽높이가 허리 근육에 미치는 영향에 대해 조사하였다. 허리 근육 피로도는 Spectral EMG를 통해 분석하였고 정량화되었다. 측정된 자료를 통계 분석한 결과, 하이힐의 굽높이가 여성의 허리 근육에 유의하게 영향을 미침이 발견되었고, 우리 나라 여성에게 적합한 하이힐의 굽높이는 3-5cm 정도임이 밝혀졌다. 본 연구 결과는 하이힐의 디자인에 있어서 굽높이에 대한 추천치로 제안될 수 있으며 여성들의 하이힐로 인한 요통을 어느 정도 예방할 수 있어 여성 근로 손실을 줄이는 데 기여할 수 있다. 본 연구를 하이힐 굽형태나 충격흡수 등의 독립변수 요인을 추가하여 확대하면 하이힐 디자인에 응용하는데 더욱 유용하리라 생각된다. 없었다. 전신쾌적감은 약간 쾌적하게 나타났고 전신온냉감은 약간 따뜻하다라고 나타났으며 손가락끝의 동통감은 약간 아프다고쪽으로 나타났다.때문에 이를 디자인에 곧바로 적용시키기 어려운 점이 있다. 이에 본 연구는 기존의 바용성 평가를 위한 분석도구들이 갖는 문제 점들 해결하여 제품의 사용자 인터페이스 디자인 개발과정에서 활용할 수 있는 평가 분석도구를 개발하는 것을 목표로 한다. 이를 위해 첫째, 다양한 유형의 정보를 포함하는 비디오 정보를 선정하였따. 둘째, 데이터를 다양한 측면에서 추출할 수 있는 Data logger를 개발하였다. 셋째, 데이터를 시각적으로 정리하고 분석할 수 있는 도구를 제안한다. 마지막으로 인터페이스 디자인에서 여러 가지 디자인안을 도출해 내는 작업에 이용할 수 있는 종합화과정을 개발한다. 이러한 일련의 과정이 통합된 컴퓨터 시스템 안에서 이루어지도록 프로그램을 개발하여 정보의 유용성을 높일 수 있도록 한다.at the entropy index as a measurement of inter-business relatedness is not significant but technological relatedness index is significant. OLS estimates on pooled data were considerably different from FEM or REM estimates on panel data. By introducing interaction effect among the three variables for business portfolio properties, we obtai

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CERVICOFACIAL NECROTIZING FASCIITIS;CASE REPORT (경안면 괴사성 근막염;증례보고)

  • Park, Kwan-Soo;Jeong, Ki-Hoon;Kim, Hyo-Eon;Jeong, Jeong-Kwon;Yoon, Kyu-Ho;Jeon, In-Seong
    • Maxillofacial Plastic and Reconstructive Surgery
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    • v.23 no.1
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    • pp.77-81
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    • 2001
  • Necrotizing fasciitis is defined as infectious disease showing extensive necrosis of the superficial fascia with widespread involvement of the surrounding tissues and concurrent systemic toxicity. It is found commonly in the extremities, the trunk and the perineum, but shows extremely rare occurrence in the well vascularized area such as head and neck area. Occurred in the head and neck area, it is called "cervicofacial necrotizing fasciitis" (CFNF). It is a fatal disease which carries a mortality rate up to 60%. Early diagnosis, aggressive surgical debridement of necrotic tissues and massive antibiotics therapy are essential for achieving a favorable outcome. We present a case of cervicofacial necrotizing fasciitis in 35-year-old male patient with literature review.

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On the Development of Animated Tutoring Dialogue Agent for Elementary School Science Learning (초등과학 수업을 위한 애니메이션 기반 튜터링 다이얼로그 에이전트 개발)

  • Jeong, Sang-Mok;Han, Byeong-Rae;Song, Gi-Sang
    • Journal of The Korean Association of Information Education
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    • v.9 no.4
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    • pp.673-684
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    • 2005
  • In this research, we have developed a "computer tutor" that mimics the human tutor with animated tutoring dialog agent and the agent was integrated to teaching-learning material for elementary science subject. The developed system is a natural language based teaching-learning system using one-to-one dialogue. The developed pedagogical dialogue teaching-learning system analysis student's answer then provides appropriate answer or questions after comparing the student's answer with elementary school level achievement. When the agent gives either question or answer it uses the TTS(Text-to-Speech) function. Also the agent has an animated human tutor face for providing more human like feedback. The developed dialogue interface has been applied to 64 6th grade students. The test results show that the test group's average score is higher than the control group by 10.797. This shows that unlike conventional web courseware, our approach that "ask-answer" process and the animated character, which has human tutor's emotional expression, attracts students and helps to immerse to the courseware.

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A Study on Information Science Curriculum of Productivity Tools to Increase Ability for Problem Solving in Elementary and Middle School (문제해결력 향상을 위한 초.중학교 정보교과의 생산성 도구에 대한 교육과정 구성 연구)

  • Ahn, Seonghun
    • Journal of The Korean Association of Information Education
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    • v.18 no.2
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    • pp.235-242
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    • 2014
  • Many famous institutes or associations select ICT ability by major ability to need in 21C's information-oriented society. Korea Association of Information Education have studied a new curriculum and suggest a new plan that content of information education classify by 'computer system', 'SW production' and 'fusion activity'. Therefore we study on productivity tools of elementary and middle school. In this paper we firstly suggest object to achieve on productivity tools of elementary and middle school. Next we suggest teaching learning method and evaluation method on productivity tools. we expect that the object to achieve on productivity tools we suggest will contribute to develop the curriculum of ICT subject.

A Study of Forensic Techniques and Tools on Smart Phone OS Types (Smart Phone OS별 포렌식 기술과 도구에 관한 연구)

  • Lee, Bo-Man;Park, Dea-Woo
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2010.10a
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    • pp.223-226
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    • 2010
  • iPhone and Smart Phone domestic markets are activated with domestic coming out of galaxy S together and the users are increasing. It follows hereupon and with forensic techniques for the cellular phone relation criminal evidence collection of data of existing the mobile forensic engineering research is necessary in about Smart Phone where it has become new techniques and WiFi etc. Convergence. It respects Smart Phone OS star forensic technique and a tool research, iPhone Apple MAC OS X and it researches galaxy S Google Android from the present paper. Smart it uses SYN methods with Phone OS star forensic techniques and it researches in order mobile forensic description below it observes it sees and forensic application methods computer forensic methods and the tools and it researches forensic techniques. The present paper research as IT powerful country will contribute in Smart Phone forensic technical advances of Korea.

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Implementation of High Speed Big Data Processing System using In Memory Data Grid in Semiconductor Process (반도체 공정에서 인 메모리 데이터 그리드를 이용한 고속의 빅데이터 처리 시스템 구현)

  • Park, Jong-Beom;Lee, Alex;Kim, Tony
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.15 no.5
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    • pp.125-133
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    • 2016
  • Data processing capacity and speed are rapidly increasing due to the development of hardware and software in recent time. As a result, data usage is geometrically increasing and the amount of data which computers have to process has already exceeded five-thousand transaction per second. That is, the importance of Big Data is due to its 'real-time' and this makes it possible to analyze all the data in order to obtain accurate data at right time under any circumstances. Moreover, there are many researches about this as construction of smart factory with the application of Big Data is expected to have reduction in development, production, and quality management cost. In this paper, system using In-Memory Data Grid for high speed processing is implemented in semiconductor process which numerous data occur and improved performance is proven with experiments. Implemented system is expected to be possible to apply on not only the semiconductor but also any fields using Big Data and further researches will be made for possible application on other fields.

A Study on the Triggering and Medicating Factor of Online Flaming (온라인 플레밍(flaming) 발생 요인과 해소 방안에 대한 연구)

  • Ku, Gyo-Tae
    • Korean journal of communication and information
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    • v.39
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    • pp.224-249
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    • 2007
  • This paper tried to examine a relationship between demographic factors(sex, age) and online flaming, and between personality trait(verbal aggression) and flaming. Further, the current study researched the impact of message credibility on significant explaining variables which increase hostile aggressive communication. The research data were collected by a reliable online research center and analysed through SPSS 12.1 software. According to the results, age, sex, and verbal aggression trait were statistically significantly related with flaming. Especially, man, teen age, and the people having high verbal aggression had more frequent flaming behavior than women, other aged people, people with low verbal aggression trait. On the other hand, the message credibility was partially associated with personality trait. The persons who had high verbal aggression trait showed fewer flaming when they met high credible message. This fact might imply that the quality of online contents could decrease online flaming.

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Automated Selection System of Examination Questions in Web-Based Instruction (웹기반교육에서의 자동 문제 출제 시스템)

  • Kim, Kyung-A;Choi, Eun-Man
    • The KIPS Transactions:PartA
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    • v.9A no.3
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    • pp.301-310
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    • 2002
  • Internet has been applied to the educational field such as data search, lecture by motion picture, realtime examination. Most questions made for these remote examinations use methods of making questions randomly using fixed questions or item pools. The designed system in this paper makes questions without knowing MARK-UP language and after undergoing examinations on Web. Also it readjusts degree of difficulty automatically on the basis of the rate of correct answers. In addition, this enables learners to perform feedback learning after examinations and subsequently learners themselves to adjust their degree of difficulty and undergo reexaminations. The automatic selection system makes it easy to select questions, possible to expect average marks and number of questions made, and to prevent that questions may be made too easy or too hard. For a remote examination, as there are much possibilities of dishonesty such as examination by proxy so different types of problems are made, and problems of the rationality caused from that can be avoided.