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BPM과 SOA기반의 비즈니스 프로세스 자동화와 분석기법
이충헌,이종학,서정만,조완섭 한국컴퓨터정보학회 2009 韓國컴퓨터情報學會論文誌 Vol.14 No.4
Recently, a combination of Business Process Management (BPM) and Service Oriented Architecture (SOA) is being recommended as the best approach for automating large business systems. And the need to create meaningful information from daily operational data is increased today. In this paper, we propose a methodology for automating business processes based on the BPM-SOA convergence trend and verify the methodology by implementing the project management business process. BPM-SOA convergence provides higher extensibility and productivity due to the loosely coupled system construction and maintenance. The system has good properties for frequent process changes and reuse of duplicate processes. We then analyze extensibility of the system as new business processes are added to the existing system. We finally analyze the data generated by BPM by using SAP business intelligence to support management’s decision making and strategy. Business intelligence provides not only useful data for business decisions but also chance to optimize the business processes. 최근 대규모 비즈니스 시스템을 효율적으로 운영하고 자동화하기 위해 기법으로 BPM과 SOA의 융합이 제안되고 있으며, 운영데이터로부터 매일 의미 있는 정보를 생성할 필요성이 증가하고 있다. 본 논문에서는 BPM-SOA 융합을 통해 비즈니스 프로세스 자동화 방법론을 제시하고 실제 프로젝트 관리 비즈니스 프로세스를 구현하여 검증한다. BPM-SOA 융합은 약 결합된 시스템 구조를 통해 향상된 확장성과 생산성을 제공하며 잦은 변경과 프로세스 재사용에도 장점이 있다. 그 다음, 기존 시스템에 새로운 비즈니스 프로세스가 추가될 때 시스템의 확장성을 분석한다. 마지막으로 의사결정을 지원하기 위한 SAP 비즈니스 인텔리젼스를 이용하여 BPM에서 생성된 데이터를 분석한다. 비즈니스 인텔리젼스는 의사결정에 유용한 정보를 제공할 뿐만 아니라 비즈니스 프로세스 최적화 기회를 제공한다.
이충헌,이은,박성혁,정승용,박상진,석정호,남궁기 大韓神經精神醫學會 2004 신경정신의학 Vol.43 No.5
Objectives : Alcohol withdrawal delirium is a serious clinical condition with high mortality rate if not treated. This study was to examine whether readily available clinical variables can predict the development of alcohol withdrawal delirium. Methods : The authors performed a retrospective study by reviewing charts of 566 patients who had been admitted for alcohol dependence. The cases were divided into two groups: delirium group (n=40) and control group (n=40). We compared baseline characteristics and serum analysis data at admission between two groups. We used logistic regression to predict risk factors for alcohol withdrawal delirium among potential risk factors. Results : The delirium group had significantly lower hemoglobin, hematocht, platelet counts, and potassium level than countrol group, Presence of previous withdrawal delirium history, AST, GGTP, and bilimbin level of delirium group were significantly higher than those of control group. Among potential risk factors, past history of withdrawal delirium, decreased hemoglobin, elevated bilirubin level, and number of previous detoxification were predictable factors of the development of alcohol withdrawal delirium by 72.5%. Conclusion : Our results suggest that the infomation obtained at admission can be useful to predict the development of al-cobol withdrawal delirium. Also, it makes the individualization of detoxification strategies possible.
젊은 알코올 의존 환자에서 신경인지기능의 손상 - 문제해결 능력과 실행 기능 -
이충헌,송진관,김지혜,최문종,남궁기 대한신경정신의학회 2002 신경정신의학 Vol.41 No.6
연구목적: 알코올 의존 환자에서 전반적인 인지기능의 저하가 있다는 것은 이미 이전의 많은 논문들에서 보고 되었으며, 특히 직업 수행능력이나 사회적 대응능력에 중요한 인지기능인 기억력, 문제해결능력 및 실 행기능의 저하가 보고 되었다. 반면, 병적 음주기간이 비교적 짧은 20~30대의 젊은 알코올 의존 환 자에서는 기억력, 문제해결능력 및 실행기능을 포함한 인지기능의 저하가 유의미하지 않다는 이전의 보고가 있었다. 본 연구의 목적은 단주중인 젊은 알코올 의존 환자를 대상으로 기억력, 문제해결능력 및 실행기능을 중심으로 신경인지기능의 저하 여부를 알아보고, 환자군의 신경인지기능과 음주관련요 인들 사이의 상관관계를 알아보고자 하였다. 연구 대상 및 방법: 환자군은 금단기간이 경과한 19세에서 39세까지의 입원 중인 남녀 알코올 의존환자 24명을 대상으 로 하였다. 정상 대조군은 환자군과 나이, 성별, 교육수준을 맞추어 짝짓기 표본으로 선정한 남녀 20명을 대상으로 하였다. 환자군과 정상 대조군에 대해 사회인구학적 변인과 음주력, 그리고 Beck’s Depression Inventory, Michigan Alcohol Screening Test, Standard Progressive Matrices를 통해 대상 군의 임상적 특성을 알아보았다. 또한, 대상군의 신경인지기능을 평가하기 위해 Wechsler Memory Scale-Revised 중 일부 소검사, Korean-Wechsler Adult Intelligence Scale 중 Block design, Wisconsin Card Sorting Test 등의 검사를 시행하였다. 결 과: 32세의 평균연령을 가진 알코올 의존 환자군은 대조군에 비해 학습 및 기억능력, 문제해결능력, 추 상적 추론능력 및 실행기능 등의 인지기능의 유의한 저하가 관찰되었다. 환자군의 일부 인지기능 검 사에서 평생음주기간 및 평생음주량과 유의한 상관관계가 관찰되었다. 결 론: 본 연구는 이전 보고와는 달리 젊은 알코올 의존 환자에서도 만성 알코올 의존 환자와 마찬가지로 기억력, 문제해결능력 및 실행기능의 저하를 보인다는 것을 보여주었다. 이는 젊은 알코올 의존 환자들 도 신경인지기능의 손상으로 인해 직업적 수행 능력 및 사회적 대응기술능력의 저하, 이로 인한 사회적 고립에 빠질 수 있으며, 알코올 치료 프로그램의 효과를 보는데 어려움이 있을 것이라는 사실을 의미한 다. 따라서, 본 연구의 결과는 젊은 알코올 의존 환자에서 질환의 조기 발견, 조기개입과 재활 및 향후 치료전략을 세우는데 도움이 될 수 있다 Objectives:The decline in general neurocognitive functions of alcoholics has been previously reported, especially in the area of memory, problem-solving and executive function which are important for occupational performance or adaptation to enviroment. On the other hand, young alcoholics under the age of 40 with relatively short duration of problem drinking were reported of no significant decline in neurocognitive functions consisting of memory, problem-solving and executive function. The objective of this study is to investigate whether there is a decline in neurocognitive functions around memory, problem-solving and executive function in abstinent young alcoholics. Methods:24 male and female alcohol dependent patients from the age of 19 to 39 years, who were detoxified in the hospotal were recruited as subjects. Normal control group of 20 males and females who matched for age, sex, educational level were selected. Clinical characteristics of the subjects were examined by demographic variables, alcohol history, Beck’s Depression Inventory, Michigan Alcohol Screening Test and Standard Progressive Matrices. Also, subtests of Wechsler Memory Scale- Revised, Block design from the Korean-Wechsler Adult Intelligence, Wisconsin Card Sorting Test were performed in order to evaluate the subjects’ neurocognitive functions. Results:Compared to normal controls, significant decline in neurocognitive functions such as memory, problem-solving and executive function were observed in young alcohol dependent patients with an average age of 32. Parts of the neuropsychological tests showed significant correlation with duration of lifetime drinking and lifetime alcohol consumption. Conclusion:This study shows that, unlike previous reports, decline in memory, problem-solving and executive function occur in young alcoholics as in chronic alcoholics. This implies that young alcoholics can experience difficulty in occupational performance and adaptation to environment, and may be less responsive to treatment due to neurocognitive damage. The results of this study inclicate the importance of early identification, intervention, and planning therapeutic strategies in young alcoholics.
이충헌,장이찬 대한혈관외과학회 2012 Vascular Specialist International Vol.28 No.4
Purpose: Acute aortic dissection (AAD) is considered one of the most common aortic catastrophes. However, there are a few epidemiological studies and true incidence was unknown in the general population. With the advent of newer diagnostic techniques, AAD is more frequently detected in radiological studies. We determined the incidence of AAD in a hospital patient group. Methods: A hospital patient group was defined as all patients from the emergency room and outpatients' department (total number, 347,204) enrolled in Chungbuk National University Hospital between 2005 and 2010. Twenty-five AADs were detected by reviewing radiological reports (22,241 chest computed tomography [CT], 39,235 abdominal CT). A traumatic aortic dissection and isolated abdominal aortic dissection was excluded. We calculated person-years in all hospital patients and the incidence of AAD. We estimated a minimal general population based incidence by dividing a total population of geographical regions where patients of AAD were living. Results: The annual age- and sex-adjusted hospital patients based incidence was 6.94 per 100,000 persons (95% confidence interval, 6.92 to 6.97). Nine dissections (36%) involved the ascending aorta, whereas sixteen (64%) involved the descending aorta. AAD was found in patients with six regions. A total population was 1,032,509 and patients included in the study were 296,505, in these six regions. An estimated minimal population based incidence was 1.99. Conclusion: In other studies, the incidence of AAD is approximately two to four per 100,000 persons per year. AAD in north area of Chungcheong, Korea occur with similar frequency when it is compared with other population based studies.