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갱신 트랜잭션 분류에 기초한 다단계 보안 병행수행 제어
오미나(Mi-na Oh),박석(Seog-Park) 한국정보과학회 1994 한국정보과학회 학술발표논문집 Vol.21 No.1
보안 환경에서는 스케쥴러가 종래의 정확성 기준의 직렬성과 보안 요구사항을 동시에 보장해야 한다. 그러나 일반 DBMS에서 사용되는 스케쥴링 방법은 직렬성만을 만족할 뿐 비밀 채널 방지와 같은 보안 요구사항은 만족하지 못한다. 직렬성과 보안 요구사항을 모두 만족하는 보안 스케쥴러가 만들어졌지만 아직도 높은 보안 등급을 가진 트랜잭션의 블럭킹 문제가 심각하다. 그러므로 본 논문에서는 트랜잭션이 보안 요구사항을 만족하면서 병행수행 정도를 최대한으로 높일 수 있는 알고리즘을 제시한다. 높은 보안 등급을 가진 트랜잭션이 필요 없는 경우에도 계속 블럭되는 단점을 보완하기 위해서 트랜잭션을 각각의 특성에 따라 판독전용 트랜잭션, 갱신 트랜잭션으로 분류하고, 트랜잭션에 대한 분류 정보를 사용하여 트랜잭션의 평균 블럭킹 시간을 줄인다. 트랜잭션을 판독한 데이타를 기록하는 자의 여부에 따라 순수갱신 트랜잭션과 유도갱신 트랜잭션으로 크게 나누고 기존의 판독전용과 갱신 트랜잭션을 유도갱신 트랜잭션의 범주로 나눈다. 그 결과 기존이 스케쥴링 방법을 사용할 경우에 블럭되어 있던 판독전용 트랜잭션과 유도갱신 트랜잭션을 즉시 완료할 수 있다.
오미나 ( Mi Na Oh ),조명진 ( Myoung Jin Cho ),백훈기 ( Hoon Ki Baek ),조기성 ( Ki Sung Cho ),강지훈 ( Ji Hoon Kang ),김영 ( Young Kim ),곽진영 ( Jin Young Kwak ) 대한결핵 및 호흡기학회 2008 Tuberculosis and Respiratory Diseases Vol.65 No.6
Hypersensitivity pneumonitis (HP) is an immunologically-mediated disease resulting from repeated exposure to sensitizing agents, such as organic dusts or chemicals. Isocyanate is a volatile and highly reactive chemical that is extensively used in the manufacturing of automobiles, upholstery, and polyurethane foam. Occupational respiratory diseases associated with isocyanate, such as bronchial asthma, are well-known. It is thought that HP is one of the rare diseases induced by isocyanate with a very low frequency worldwide. We report a case of HP in an automobile painting sprayer which appeared to be associated with isocyanate. (Tuberc Respir Dis 2008;65:541-545)
한국어 학습자의 쓰기활동을 위한 표현용 사전 편찬 연구
오미나 ( Mi-na Oh ) 숙명여자대학교 한국어문화연구소 2020 한국어와 문화 Vol.27 No.-
본 연구는 한국어 쓰기 교육에 있어 수준별 표현용 사전을 쓰기 능력을 신장시킬 수 있는 언어참조 매체로 보고, 수준별 표현용 사전의 필요성과 편찬 방향을 제시하는 데 목적이 있다. 이를 위해 이중어 사전을 참조하여 작문을 수행한 집단과 수준별 표현용 사전을 참조하여 작문을 수행한 집단의 작문을 분석하여 사전 사용이 쓰기에 미치는 영향에 대해 어휘와 문법 측면에서 살펴보았다. 실험 결과와 학습자 설문조사를 바탕으로 표현용 사전의 편찬 방향을 거시구조와 미시구조의 측면에서 살펴보고, 표현용 사전의 모형을 제시하였다. The purpose of this study was to suggest some directions for compilation of level-based expressive Korean dictionaries, assuming that such dictionaries would help the Korean learners to enhance their writing ability. For this purpose, this study sampled 70 intermediate-level Korean language learners and divided them equally into test and control groups. And based on the results of the test and the questionnaire survey for the Korean language learners, the directions for the compilation of the expressive dictionary for the intermediate-level Korean language learners could be suggested.
症例(증례) : 자동차 페인트 도장공에서 발생한 과민성 폐장염 1례
오미나 ( Mi Na Oh ),조명진 ( Myoung Jin Cho ),백훈기 ( Hoon Ki Baek ),조기성 ( Ki Sung Cho ),강지훈 ( Ji Hoon Kang ),김영 ( Young Kim ),곽진영 ( Jin Young Kwak ) 전북대학교 의과학연구소 2008 全北醫大論文集 Vol.32 No.1
Isocyanate is widely used chemicals to make chemical products. It is known that is associated with hypersensitivity pneumonitis. Here we report a case of hypersensitivity pneumonitis in a automobile painting sprayer. A 42-year-old male patient visited the hospital with exertional dyspnea, cough, and sputum. He has worked as an automobile painting sprayer for last 6 months. His chest X-ray showed an interstitial pulmonary infiltration and High resolution computed tomography showed a diffuse ground glass appearance and tiny nodular infiltration in both lung field. Pulmonary function test showed a lung function of restrictive pattern : FEV1 2.5L(80%), FVC 2.83L(73%), FEV1/FVC 88%, TLC 3.70L(74%), and a decreased DLCO (10.5L/mmHg/min(50%)). Bronchoalveolar lavage showed an increased lymphocyte count (75%). And the pathologic finding of lung tissue by transbronchial biopsy showed interstitial inflammation with a nonnecrotizing granuloma. So we can assume that the diagnosis of this patient is the hypersensitivity pneumonitis caused by a automobile painting sprayer (Isocyanate)
오미나 ( Mi Na Oh ) 숙명여자대학교 한국어문화연구소 2013 한국어와 문화 Vol.13 No.-
``-어 하다``has been known to be combined with psychological adjectives in making verb , but it also can be combined with judgment adjectives or sense adjectives, as well as psychological adjectives. The purpose of this study is to identify the list of 용언s which can be combined with ``-어 하다`` and utilize the list in Korean language education. To build this list, 190 verbs were sorted out from the corpus database, and they were matched with the words from 「Final report of words selection for Korean language education」(National institute for Korea language research, 2003). Addition to this, the words from analyzing Korean language textbooks were supplemented and resulted in 160 words list for Korean language education. When combined with ``-어 하다``, the sentence structure is sometimes changed, but sometimes not. If the sentence structure is not changed and subject is the first person or the third person, the meaning of sentence can be changed. If the sentence structure changes in combining, only the third person is permitted by grammar. Considering the difficulty to understand this ``-어 하다``combining, it should be more efficient way to teach this as a word study in the low to mid level language courses, but for the high level course, it is recommended to teach the detailed mechanism and meaning of ``-어 하다``combining, and instruct the students according to the syntactic features.
재가노인과 시설노인의 우울 및 K-HTP 반응특성 비교
최외선(Choi Wae Sun),오미나(Oh Mi Na) 한국미술치료학회 2002 한국미술치료학회 학술발표대회 Vol.9 No.-
The purpose of this study was to investigate depression and characteristics in Kinetic House-Tree-Person in elderly in home and in facilities. The 386 subjects which consist of 200 in home and 186 in facilities were selected from Daegu, Kyung-Buk, Kyung-Nam. The results were as follows ; First, the level of depression of the elderly in facilities showed higher scores than that of elderly in home. The general level of depression of the elderly both in home and in facilities showed the average or above. Second, in case of elderly in home, such variables as age, marriage state, academic level, past career, monthly income, health state, satisfaction in life, leisure activities revealed significant differences in depression. In case of elderly in facilities, such variables as religion, monthly income, health state, satisfaction in life, leisure activities revealed significant differences in depression. Third, in case of elderly in home, the variables of the tree branches in the tree style drawing revealed differences in depression. Whereas, in case of elderly in facilities, such variables as existence of the door and window in the house style drawing, the leaves in the tree style drawing, the degree of completion in face, leg and feet, decoration of the clothes, in the person style drawing revealed differences in depression. In the whole style, variable of the margin and harmony of the drawing revealed differences in depression.