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복부 대동맥류가 동반된 흉부 대동맥 침투성 궤양의 혈관 스텐트 치료
김보원 ( Bo Won Kim ),하동우 ( Dong Woo Ha ),배민정 ( Min Jung Bae ),최진희 ( Jin Hee Choi ),김해규 ( Hae Kyu Kim ),이충원 ( Chung Won Lee ),이한철 ( Han Cheol Lee ) 대한내과학회 2012 대한내과학회지 Vol.82 No.4
Penetrating aortic ulcers (PAUs) are part of acute aortic syndrome and can cause aortic rupture. We report a case of abdominal aortic aneurysm (AAA) with a PAU in the thoracic aorta. The patient was treated with thoracic aortic endovascular repair (TEVAR) for the PAU and open repair for the AAA. A 78-year-old man was admitted due to abdominal discomfort. Computed tomography (CT) showed a 6.8-cm AAA with a short neck and a large (4.2 × 3.3 cm) thoracic PAU. The patient was scheduled for AAA repair. Due to the risk of rupture of the thoracic PAU, TEVAR was performed in the PAU before surgery for the AAA. After stent graft insertion, the patient underwent surgery to repair the AAA. A follow-up CT scan showed no endoleakage or thrombus formation in the PAU. The patient had no specific symptoms during 1 year of follow-up. (Korean J Med 2012;82:481-486)
우리나라 시스템통합 ( SI ) 기업의 해외시장 진입형태에 관한 사례분석
김보원(Bo Won Kim),김현찬(Hyun Chan Kim),이윤석(Yoon Seok Lee) 한국경영학회 2001 經營學硏究 Vol.30 No.1
This study presents an exploratory research on the choice of foreign market entry mode using 25 foreign market entry cases by large system integration firms in Korea. The objective of this study is to find out how the service, firm, and environmental factors affect the decision of foreign market entry mode. Our framework includes six specific determinants- inseparability, asset specificity, entry context, entry motivation, cultural distance, economic level- and three main entry modes-export, contract, investment. Based on the case analysis, we could find that high inseparability and asset specificity were related to high control entry modes, client-following entry context was related to collaborative entry modes, strategic entry motivation was related to high resource commitment entry mode. Cultural distance and economic level of the target market seemed insignificant in the current context.
김보원(Bo-Won Kim),엄기현(Ky-Hyun Um) 한국정보과학회 1991 한국정보과학회 학술발표논문집 Vol.18 No.2
그림 매체는 사람에게 많은 정보를 함축해서 전달할 수 있는 유용한 정보 표현 수단이다. 그런데 그림과 관련된 자료의 저장 및 검색에 많은 경비가 소요된다. 특히 그림 구성 요소간의 구조적/공간적 관계에 대한 질의 및 유사도를 이용한 검색의 경우, 그 관계를 처리하기 위한 기억 공간의 소모 및 검색 시간을 그림 자료의 취급에 중요한 문제가 된다. 본 논문에서는 그림 구성 요소간의 공간 관계를 함축하고 있는 이차원 문자열을 이용하여 그림 자료를 효율적으로 저장하고 관리할 수 있는 데이타베이스 시스템을 제안한다. 이를 위해 이차원 문자열을 도입한 그림 데이타베이스 스키마를 설계하고 그림 질의의 처리 방안을 제시한다.
이윤석(Yoon Seok Lee),김보원(Bo Won Kim) 한국경영학회 2000 經營學硏究 Vol.29 No.2
Korean firms` foreign direct investment has been increased very rapidly since late 1980s, and some companies don`t even have domestic production capacity any more. In this study, we explore the role of domestic manufacturing presence in two aspects. One is the relationship between the relative size of physical domestic manufacturing capacity and the subsidiary performance, and the other is the effect of domestic manufacturing presence on the subsidiary performance as a manufacturing technology innovation source. Theories and perspectives of global strategy and technology learning are used as our theoretical background. Survey results show several interesting phenomena. First, the physical domestic manufacturing capacity ratio has convex curvilinear relationship with subsidiary`s productivity and innovativeness. This result means that there is no optimal mid-point in the degree of globalization, and in other words, the physical ratio itself is not important to subsidiary performance. Second, as the degree of globalization increases, there should be a corresponding level of coordination to improve subsidiary performance. After analyzing interaction terms, we have derived further implications. If a firm already has a significant global presence, it can achieve better subsidiary performance with additional globalization. But. less globalized firms show different results according to the level of coordination. Less globalized firms with high coordination level can achieve better subsidiary performance, but those with low coordination might get worse with additional globalization.