가족성 아밀로이드성 말초신경병증 1예

양우석,서민정,권유석,유현정,노숙영,백소아 대한근전도전기진단의학회 2003 대한근전도 전기진단의학회지 Vol.5 No.2

자재소요계획용 유연정보시스템 개발사례에 관한 연구

유대훈,이양우,조성훈,고창성 경성대학교 생산기술연구소 1997 생산기술연구지 Vol.4 No.-

This study suggests a procedure for construction flexible information systems for material requirement planning(MRP) under the circumstances of small and medium enterprises. To this end, a methodology in algorithmic expression is presented, in which learning curve is applied for calculating the practical lead-time, and real-time calculation of inventory for parts is performed condering all possible situations occurred in manufacturing as well as procurement sites. Finally, a case study is carried out for a small and medium enterprise producing several type of valves for ships in order to demonstrate the procedure proposed.

관상동맥 누공에 의한 급성 심근 경색 1예

서유승,최재웅,송창섭,조용범,양진수,박준섭,정인수 대한내과학회 2003 대한내과학회지 Vol.65 No.2

관상동맥 동정맥루 기형은 매우 드문 질환으로 치료가 불필요한 경우가 대부분이나 coronary steal 현상으로 인해 증상이 발생하거나 합병증이 발생한 환자에 대해선 치료를 요한다. 최근에는 시술에 적합한 누공을 가진 선택된 환자군을 대상으로 카테터를 이용한 중재적 시술이 시행되어 수술적 치료와 유사한 결과를 얻고 있다. 저자들은 젊은 남자에서 관상동맥 동정맥루 기형과 동반된 급성 심근 경색증을 진단하여 비 수술적 방법인 카테타 코일 색전술로 성공적 치료 후 증상 및 심근 재관류에 호전을 보인 증례를 경험하였기에 문헌고찰과 함께 보고하는 바이다. We report a case of coronary fistula between the left anterior descending and main pulmonary artery complicating acute non-Q wave myocardial infarction. A 27-year-old man visited emergency department because of severe chest pain lasting two hours. The electrocardiogram showed ST segment elevation in precordial leads V3~6. Cardiac enzymes were as follows;CK-MB:36.44 IU/L T-T:0.489 ng/mL, CPK:542 IU/L, and LDH:475 IU/L. The thallium-201 dipyridamole stress perfusion scan showed perfusion defect and reversed redistribution in the anteroseptal wall. The coronary angiogram revealed coronary artery fistula between the proximal left anterior descending artery and main pulmonary artery without significant stenoses of coronary arteries. The result of ergonovine test was negative. After micro-coil embolization to the coronary fistula, symptoms were improved. Follow-up thallium-201 scan showed normalized blood flow in the left anteroseptal wall.

中學 科學敎育의 探究學習에 대한 評價問項 開發 (Ⅱ)

閔庚德,楊洪準,李善行,鄭遠佑,이병교,金裕漢,羅長薰 경북대학교 과학교육연구소 1985 科學敎育硏究誌 Vol.9 No.-

This study was accomplished to develope the evaluation items for inquiry learning in the 2nd grade Middle School Science for the consecutive study of the evaluation items for inquiry learning in the 1st grade Middle School Science(U-Hang Ki et al, 1984). In this study, paper and pencil test items and performance test items are made by analyzing the abilities of inquiry according to the contents and four basic experiments from each unit in the 2nd grade Middle school science. These evaluation items were applied to tke five classes of the 2nd grade of middle school to test their validity. It is desirable that performance test schuld be used for the evaluation for the abilities of inquiry which can not be evaluated by paper and pencil test. In the evaluation methods of performance test, tester evaluation, peer evaluation and self-evaluation can be applied to the science class in a multi-student class. In higher grade, however tester evaluation is more desirable than peer and self evaluation. It is found that peer evaluation and self-evaluation make possible the perfect study by feedback.

이기종간의 상호운용성을 지원하는 이동 에이전트 시스템

이명준,박양수,유양우,문남두,김진홍,안건태 울산대학교 2000 공학연구논문집 Vol.31 No.1

현재 대부분의 이동 에이전트 시스템들은 그들 자신의 구조를 가지며 서로 다른 방법으로 구현되어 있다. 이러한 에이전트 시스템들은 서로 다른 인터페이스를 제공하고 있어서 이기종의 에이전트 시스템에서 새성된 에이전트들은 상호 이동하여 작업을 수행할 수 없다. 이러한 문제를 해결하기 위하여 이동 에이전트 시스템간의 상호운용성 지원이 중요한 과제로 다루어지고 있다. OMG(Object Management Group)는 이질적인 에이전트 시스템간의 상호운용성을 증진시킬 목적으로 MAF(Mobile Agent Facilities)명세를 제안하였다. MAF명세는 MADAgentsystem과 MAFFinder 두개의 인터페이스로 구성되어 있으며 에니전트 관리, 코드의 이동성, 명명 규칙에 관한 기능을 제공한다. 본 논문에선는 OMG의 MAF 명세를 만족하는 SMART 이동 에이전트 시스템의 설계와 이의 구현에 대하여 설명한다 SMART 이동 에이전트 시스템의 구성은 에이전트를 실행시키는 환경을 제공하는 플레이스(place), 에이전트의 라이프사이클과 플레이스를 감시하는 모니터(monitor) 그리고 에니전트에게 시스템의 자원을 할당하는 자원관리자(resource manager)로 이루어져 있다. Most current mobile agent systems adopted their own architectures, being implemented in various ways. Since those agent systems provide different interfaces, agents created in one mobile agent system could not move to other agent systems to perform their tasks. To solve this problem, interoperability becomes one of the important issues on mobile agent systems. The OMG(Object Management Group) proposed the MAF(MAF(Mobile Agent Facilities) specification for the interoperability among heterogeneous mobile agent systems. the MAF specification contains MAF Agent System and MAFFinder interfaces, and defines agent management, code mobility and naming rules. In this paper, we describe the design and implementaion of the SMART mobile agent system which satisfies the OMG MAF specification. The SMART system consists of Places that provide execution environments for agents, Monitor that monitors life-cycle of agents and places, and Resource Manager that allocates resources of system for agent.

사후분해 시체에 대한 법의학적 접근

최영식,이상용,김유훈,조갑래,이봉우,양경무,정낙은,서중석,이한영,이원태,강현욱 大韓法醫學會 2000 대한법의학회지 Vol.24 No.2

Disposal of a homicide victim by dismemberment is rare, but individual cases are on record in most major medicolegal departments. Recognition of postmortem mutilation may be of importance in the interpretation of certain murders committed by sexual perverts and other mentally deranged individuals and sometimes performed for the sole reason of easier disposal of the body. Postmortem dismemberment is usually readily recognizable as such; The edges of the injuries are dry and lack evidence of bleeding. The joints may be disarticulated without fracture, or the use of an axe or saw may be evident from examination of bones. Parallel horizontal or oblique furrows in the bone surface are caused by skipping of the saw prior to establishing depth. Such patterns on the bone may assist in identifying the particular saw involved. So we report 25 dismembered corpses that autopsied in National Institute of Scientific Investigation. This paper can help in attempting to establish not only the first criminal investigation steps but also the medicolegal approach methods in unidentified and dismembered deaths.

Validation Study of an Operational Tolerance Signature in Korean Kidney Transplant Recipients

Yu Ho Lee,Jung-Woo Seo,Yang Gyun Kim,Ju-Young Moon,Jin Sug Kim,Kyung-Hwan Jeong,Bo-mi Kim,Kyoung Woon Kim,Chul Woo Yang,Chan-Duck Kim,Jae Berm Park,Yeong Hoon Kim,Byung Ha Chung,Sang-Ho Lee 대한면역학회 2018 Immune Network Vol.18 No.5

Interactive Morphological Analysis to Improve Accuracy of Keyword Extraction Based on Cohesion Scoring

Yang Woo Yu(유양우),Hyeon Gyu Kim(김현규) 한국컴퓨터정보학회 2020 韓國컴퓨터情報學會論文誌 Vol.25 No.12

최근 소셜 빅데이터를 대상으로 한 키워드 분석은 고객 관점의 의견이나 불만 사항을 추출하기 위한 목적으로 광범위하게 활용되고 있다. 이와 관련하여, 이전 연구에서는 키워드 분석의 정확도를 높이기 위해 응집도 점수를 활용한 방법을 제안하였으나, 리뷰의 수가 적을 경우 오류율이 증가하는 문제가 있었다. 본 논문에서는 응집도 점수 기반 알고리즘으로부터 추출된 키워드에 대해 간소화된 형태소 분석 단계를 후처리 형태로 적용함으로써 키워드 추출의 정확도를 개선하고자 하였다. 제안 방법은 입력 데이터가 주어질 때마다 필요한 형태소 분석 규칙을 점증적으로 추가할 수 있도록 지원함으로써, 사전의 크기를 최소화하고 분석의 효율을 높이고자 하였다. 또한 대화형 규칙 입력 시스템을 제공하여 분석 규칙 추가에 드는 노력을 최소화하고자 하였다. 제안 방법을 검증하기 위해 온라인에서 수집된 실제 리뷰를 대상으로 실험을 수행하였으며, 제안 방법을 적용할 경우 오류율이 기존 10%에서 1%로 개선되는 동시에, 5,000개의 리뷰 처리에 450ms가 소요되어 실시간 처리가 가능한 수준임을 확인하였다. Recently, keyword extraction from social big data has been widely used for the purpose of extracting opinions or complaints from the user’s perspective. Regarding this, our previous work suggested a method to improve accuracy of keyword extraction based on the notion of cohesion scoring, but its accuracy can be degraded when the number of input reviews is relatively small. This paper presents a method to resolve this issue by applying simplified morphological analysis as a postprocessing step to extracted keywords generated from the algorithm discussed in the previous work. The proposed method enables to add analysis rules necessary to process input data incrementally whenever new data arrives, which leads to reduction of a dictionary size and improvement of analysis efficiency. In addition, an interactive rule adder is provided to minimize efforts to add new rules. To verify performance of the proposed method, experiments were conducted based on real social reviews collected from online, where the results showed that error ratio was reduced from 10% to 1% by applying our method and it took 450 milliseconds to process 5,000 reviews, which means that keyword extraction can be performed in a timely manner in the proposed method.

JMoblet 이동 에이전트 시스템의 구현

유양우 ( Yang-woo Yu ) 한국고등직업교육학회 2001 한국고등직업교육학회논문집 Vol.2 No.4

Interest in mobile agent technology is greatly increased since mobile agents would effectively reduce the network traffic and flexibly process various requests of clients. Jini architecture’s Network Plug and Work provides simple and flexible network environment for distributed applications. Through the Jini technology, facilities for dynamically registering and locating mobile agent services can be easily supported, as well as the services useful for activities of mobile agents can be dynamically supported. We describe a Jini-based mobile agent system named JMoblet, which provides the basic functions of a mobile agent system such as creation, control, transfer, location and communication among agents. To increase the reliability of the system, it also provides exception handling and persistence of the mobile agent systems for reliability.

자바 그룹통신시스템 기반의 UDDI 레지스트리

유양우 ( Yang-woo Yu ),문남두 ( Nam-doo Moon ),하성권 ( Seong-kweon Ha ) 한국고등직업교육학회 2003 한국고등직업교육학회논문집 Vol.4 No.4

XML-based web services are distributed component techniques to support interoperability between heterogeneous systems on World Wide Web. Important Java web services have been rapidly increased along with the growth of the Internet. So, it is desirable for such applications to serve transparently, continuously and safely even if the network is temporally partitioned or certain hosts running those services are crashed down. UDDI is an open standard for distributed Web-based information registries of web services. In this paper, we present a Java group communication system based UDDI registry. Using the JACE system, we have developed an experimental UDDI registry for discovering and publishing information about web services.