• 제목/요약/키워드: Use case description

검색결과 84건 처리시간 0.018초

유스케이스 재구성을 통한 서비스 식별 (Services Identification based on Use Case Recomposition)

  • 김유경
    • 한국전자거래학회지
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    • 제12권4호
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    • pp.145-163
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    • 2007
  • 서비스 지향 아키텍처는 느슨하게 연결되고 상호 호환 가능한 서비스들의 결합을 통해 어플리케이션을 구현하는 기술이다. 서비스는 적절한 입도를 갖는 구현된 비즈니스 함수로 정의할 수 있고, 잘 구성된 인터페이스를 통해 외부에 노출된다. 서비스 모델링 단계에서 서비스의 입도(granularity)가 너무 작아지면, 서비스의 재사용성, 유연성이 낮아진다. 이런 서비스 입도의 문제로 인해 도메인 분석 모델로부터 적절한 추상화 레벨을 갖는 서비스를 식별하고 정의하는 것은 매우 중요한 일이다. 본 논문에서는 도메인 분석 모델인 유스케이스 모델로부터 서비스를 식별하기 위한 절차를 제안한다. 유스케이스와 유스케이스 기술서(description)로부터 태스크 트리를 생성하고, 태스크 트리의 분할과 결합을 통해 유스케이스를 재구성한다. 이렇게 재구성된 유스케이스들로부터 서비스를 식별하고, 명세할 수 있다. 본 논문에서 제안하는 방법은 이미 널리 사용되는 UML 유스케이스 모델을 사용하므로 다양한 플랫폼과 도메인에서 서비스 모델링을 위한 개발 시간과 노력을 최소화 할 수 있을 것으로 기대된다.

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초등학교 기하에서 큐브를 활용한 조작 활동에 관한 연구 (A Study of Manipulative Activities Using Cube in Elementary School Geometry)

  • 심상길
    • 한국수학교육학회지시리즈A:수학교육
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    • 제44권1호
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    • pp.143-152
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    • 2005
  • The purpose of this study is to investigate responses or phenomena shown by the students in the process of manipulative activities in order to use manipulatives effectively in the elementary school geometry classes. The fualitative study used for this research analyzed phenomena in the process of learning programs offered to students. The five participants of this research were selected from the third graders at C Elementary School in Seoul city. The researcher recorded all the activities of students, watching them thoroughly and extracting significant statements from each description. These statements were formulated by their meanings, and then those meanings were analyzed into classified themes. The results through this research are as follows: First, previous activities affected later activities positively in the conjoining case, but negatively in the disjoining case and hence it required adventurous thinking. Second, students tried various attempts for solving given problems.

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Studies on Starting Transient in Solid Rockets

  • V.R. Sanal Kumar;Kim, Heuy-Dong
    • 한국추진공학회:학술대회논문집
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    • 한국추진공학회 2003년도 제21회 추계학술대회 논문집
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    • pp.6-10
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    • 2003
  • Accurate description of starting transient history allows and justifies the use of small margin of safety for the engine parts, resulting in high motor mass ratio in addition to satisfying the control and guidance requirements of the vehicle. Studies have been carried out for the prediction and reduction of ignition peak and pressure-rise rate during the starting transient of solid rocket motors. Numerical studies have been carried out using a two dimensional Navier-Stokes solver. It has been inferred through the parametric studies that, in the case of solid rocket motors with uniform port, high ignition peak is observed at high spread rate and low pressure-rise rate. In the case of the port with sudden expansion configuration, high ignition peak is observed at relatively high average spread rate and high-pressure rise rate. These studies are expected to aid the designer in reducing the ignition peak by altering the propellant properties or igniter characteristics without sacrificing the motor performance.

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Managing Business Quality Using a Performance Management System

  • Kumari, Neeraj
    • 산경연구논집
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    • 제6권3호
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    • pp.9-17
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    • 2015
  • Purpose - The study's aim is to assess performance quality delivered through a performance management system. The case study first measures the effectiveness of the present performance management system of Bhushan Steel Ltd. (BSL), and then secondarily analyzes the employee training impact. Research design, data, and methodology - A case study research approach using a survey was followed. The final sample size was 50, with a simple random sampling technique used. Primary data came from the company itself and the secondary from books, the Internet, journals, etc. Results - BSL employee appraisals are used for many developmental aspects such as competence in the present job, improvements, performance development, and training needs. The results indicate that individual performance can improve if employees perceive the system as more transparent (i.e., not so confidential). Conclusions - Overall, the BSL employees think that the company appraisal system is useful; however, to make it better the company has to improve many aspects including appraisals based on supervisor observations. The company could use a self-appraisal and a 360-appraisal approach to improve such assessments.

사용사례와 HAZOP 기반의 위험원 식별 및 테스트케이스 설계 방안 (Hazard Identification and Testcase Design Method based on Use Case and HAZOP)

  • 도성룡;한혁수
    • 정보과학회 논문지
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    • 제43권6호
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    • pp.662-667
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    • 2016
  • 차량 내 전기전자제어시스템이 급격히 증가하면서 이로 인한 안전사고가 이슈로 부각되고 있다. 그러므로 차량의 안전성을 확보하기 위해서는 개발 초기에 PHA, HAZOP 등을 활용하여 위험원을 식별하고, 이를 예방하기 위한 안전 메커니즘이 구현되어야 한다. 특히, HAZOP은 가이드워드 기반의 체계적인 방식으로 널리 활용되고 있다. 하지만, 시스템이 제공하는 최상위 기능으로부터 오동작을 찾아내기 때문에, 동작 과정상의 위험원을 충분히 식별하지 못한다. 또한 충분히 식별되지 않은 위험원으로부터 안전 요구사항을 정의하기 때문에 테스트케이스 설계에도 제한이 있다. 이에 본 연구에서는 시스템의 동작과정 정의에 유용한 사용사례 기술서와 HAZOP을 적용한 위험원 식별 그리고 안전 요구사항 기반의 테스트케이스 설계 방안을 제안한다. 본 연구의 효용성을 검증하기 위해 차량의 스마트키 제어시스템 사례를 제시하고, 기존 HAZOP 기반의 위험원 분석 결과와 비교한다. 본 연구를 적용하는 조직은 시스템 개발 초기에 위험원 및 안전 요구사항을 충분히 식별하고, 테스트케이스를 설계함으로써 개발 비용을 줄이고, 시스템 품질을 높일 수 있을 것으로 기대한다.

급성 중독 환자에서 지질 유탁액 정맥투여의 효과: 체계적 고찰 (Effect of Intravenous Lipid Emulsion in the Patient with Acute Poisoning : A Systematic Review)

  • 명진우;고동률;공태영;주영선;유제성;정성필
    • 대한임상독성학회지
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    • 제13권1호
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    • pp.1-10
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    • 2015
  • Purpose: The purpose of this study was to evaluate the usefulness of intravenous lipid emulsion as well as adverse events in acute poisoning patients. Methods: Literature was accessed through PubMed, EMBASE, Cochrane library, Web of science, and KoreaMed. All forms of literatures relevant to human use of intravenous lipid emulsion for acute poisoning were included. Cases reports or letters without description of clinical outcomes for each case were excluded. The literature search was conducted by two investigators in March, 2015, with publication language restricted to English and Korean. The effect, onset time, and adverse event of lipid emulsion and final outcome of each case were analyzed. Results: Eighty-one published articles were included, excluding articles whose title and abstract were not relevant to this study. No articles were classified as high level of evidence. Sixty-eight case reports were identified, consisting of 25 local anesthetics and 43 other drugs, such as tricyclic antidepressants and calcium channel blockers. Although most cases described significant clinical improvements, some of them showed no beneficial effect or worsening of clinical course. Several adverse events including hyperamylasemia and laboratory interference were reported. Conclusion: Although there were many case reports illustrating successful use of lipid for various drug poisonings, the effect cannot be estimated due to significant possibility of publication bias. Therefore, lipids might be considered in severe hemodynamic instability resulting from lipophilic drug poisoning, however further studies should follow to establish the use of lipid as the standard of care.

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동태적 직무분석을 이용한 암 환자 케어 코디네이터의 직무 분석 (Dynamic Job Analysis of the Cancer Care Coordinator in a General Hospital)

  • 이태화;김은현;고일선;이인숙
    • 간호행정학회지
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    • 제15권4호
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    • pp.571-580
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    • 2009
  • Purpose: The purpose of this study was to explore roles of cancer care coordinator's by developing job description, job specification and job process map using dynamic job analysis. Method: The development process consisted of three stages of vertical job analysis and three stages of horizontal job analysis by modifying Song(1997)'s dynamic job analysis. Focus group interview was used to validate the content of the job analysis. Results: Cancer care coordinator's job description was categorized into six major categories, fourteen intermediate categories and one hundred forty specific jobs. Major categories are professional nursing practice, consultation and counsel, coordination and collaboration, education, research and leadership. Cancer care coordinator's job specification included master's degree with over five years of clinical experience preferably relevant clinical area, professional knowledge on pathophysiology of cancer, case management and cost control, competency for communication and counselling skills and clinical decision making. Cancer care coordinator's job process map was framed with time(horizontal) and activities(vertical). Conclusion: The Outcomes of this study will guide to develop possible areas of oncology advanced practice nurses in hospital setting and facilitate the use of oncology nurse practitioners by developing care coordinator roles in cancer care.

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디지털 아카이브의 위키데이터 활용방안 연구 (A Study on Wikidata Utilization for Digital Archives)

  • 한상은;박희진
    • 한국기록관리학회지
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    • 제22권1호
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    • pp.201-217
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    • 2022
  • 본 연구의 목적은 위키데이터를 활용하여 디지털 아카이브에서 소장하고 있는 기록 자원에 대한 접근을 높이고 구축한 데이터를 공유, 재사용할 수 있는 방안을 모색하는 데 있다. 이를 위해 먼저 기록학 분야에서 논의되고 있는 디지털 환경에서 기록 자원의 기술(description) 표준과 디지털 아카이브의 데이터 관리 및 공유와 관련된 연구들을 통해 국내외 디지털 아카이브의 기록 데이터의 현황을 파악하였다. 위키데이터의 구조와 특성을 파악하고 위키데이터를 적용한 해외 디지털 아카이브의 사례들을 조사하였다. 사례 분석을 통해 위키데이터 기반의 기록 데이터 개방, 공유와 재사용을 위한 시사점을 도출하고 위키데이터를 디지털 아카이브에 적용할 때 고려할 사항을 제안하였다. 본 연구의 결과는 디지털 아카이브 구축에 있어서 최근 데이터 개방, 공유 관련 기술의 동향을 이해하고 실제 아카이브 현장에서 위키데이터를 활용한 서비스 개발의 기초자료로 활용할 수 있을 것이다.

CARES 지침에 따른 동의신경정신과학회지의 증례보고에 대한 질 평가 연구 (Evaluation of the Quality of Case Reports in Journal of Oriental Neuropsychiatry Using CARES Guideline)

  • 이환성;이준엽;한지한;채한
    • 동의신경정신과학회지
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    • 제30권2호
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    • pp.59-69
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    • 2019
  • Objectives: Case report is a description of medical experience that contains a patient's information and treatments. It has been used to determine the effectiveness and side effect of the treatments. Case report can be used for medical, scientific, or educational purposes. The objective of this study was to evaluate the quality of case reports published in Journal of Oriental Neuropsychiatry from 2013 to 2017 using CARE and CARES guideline. Methods: Case reports were selected from Journal of Oriental Neuropsychiatry and their quality assessed using CARE guideline and CARES guideline. The items of CARE and CARES guideline were assessed as 'Sufficient', 'Not sufficient', 'Not reported', 'Not applicable'. The outcome was analyzed using case reports and items. Results: 26 case reports were selected. For CARE guideline, 'Sufficient' percentage was min at 22.2%, max at 46.4% with a median of 39.3%. Sum of 'Sufficient', 'Not sufficient' percentage was min at 59.3%, max at 85.7% with a median of 75.0%. Items 'Timeline', 'Diagnostic assessment', 'Follow up and outcomes', 'Informed consent' were not reported in more than 50% of all case reports. Items 'Keywords', 'Abstract', 'Introduction', 'patient information', 'Diagnostic assessment', 'Therapeutic interventions', 'Follow up and outcomes' were not sufficiently reported in more than 50% of all case reports. For CARES guideline, 'Sufficient' percentage was min at 0%, max at 50% with a median of 0%. Sum of 'Sufficient', 'Not sufficient' percentage was min at 33.3%, max at 100% with a median of 92.9%. Items of herbal prescription 'herb', 'decoction', 'use', items of acupuncture treatment 'materials', 'techniques', items of moxibustion treatment 'materials', 'techniques' were not sufficiently reported in more than 50% of all case reports. Conclusions: The reporting rate of items was good. But the quality of reporting was low. Also, particular items were not reported frequently. Therefore, there is a need to improve the quality of case reports in Journal of Oriental Neuropsychiatry.

대체입력기기를 이용한 목적 있는 컴퓨터 작업 활동이 뇌성마비 환자의 수행도 만족도에 미치는 영향 (The effect of purposeful computer activity using alternative input devices on the performance and satisfaction of patients with cerebral palsy)

  • 이동건
    • 대한물리치료과학회지
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    • 제27권2호
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    • pp.80-87
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    • 2020
  • Background: The purpose of this study was to investigate the effect of the use of an alternative input device on the patient's work performance and satisfaction in patients with cerebral palsy who cannot use computers. Design: Case Series Description. Methods: The participant was one adult cerebral palsy. The three tasks were applied with an alternative input device (Quick-Glance), 1 session an hour, 3 times a week, a total of 12 times for 4 weeks. The assessment was using the Canadian Occupational Performance Measure (COPM). The evaluation was performed pre-test before the intervention, post-test after the last intervention, and follow-up after one month. Results: The COPM(Satisfaction and performance scores) showed 3 points for pre-test, 7 points for post-test, and 7 points for follow-up. Conclusion: Purposeful computer work activity, which is an alternative input device, has a positive effect on work performance and satisfaction of cerebral palsy patients who are difficult to use computer.