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고형대 木浦大學校基礎科學硏究所 1991 基礎科學硏究誌 Vol.9 No.-
Object-oriented programming is a partial life cycle: It focus upon the design and implementation stages of software development. It is therefore necessary to couple object-oriented design with object-oriented analysis. This paper analyzes the requirement by using object-oriented development methods. It also discuss strength and drawbacks of each method. It propose a requirement analysis method to support object-oriented design.
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高炯大,房尙源 木浦大學校 基礎科學硏究所 1990 基礎科學硏究誌 Vol.8 No.-
This paper serves as both a survey of some current literature concerning software reuse, and an analysis of various software reuse techniques based on the role of abstraction in software reuse. A taxonomy is presented for describing and comparing the effectiveness of software reuse models.
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고형대,박근오 木浦大學校 情報産業硏究所 1998 情報産業硏究誌 Vol.6 No.-
우리 나라의 많은 중소기업들이 정보화를 휘망하고 또 추진해 왔으나 대부분 실패하였고 또한 현재 운영되고 있는 정보시스템 역시 일선 관리자나 사원중심으로 되어 있기 때문에 경영층에서 정보화에 따른 직접적인 효과를 보지 못하고 있는 것이 사실이다. 본 논문에서 중소기업체 정보시스템 개발을 통해 관리자의 편의를 제공할 뿐만 아니라 경영자에게도 정확한 의사결정에 도움을 주는 다양한 정보를 신속 정확하게 제공함으로써 경쟁우위에 설 수 있도록 도움을 준다.
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이진 트리의 최적 2-에지 번호매김에 대한 근사 알고리즘
고형대,임형석,박승배 木浦大學校 情報産業硏究所 1998 情報産業硏究誌 Vol.6 No.-
For a given graph G(V.E). labeling on the graph G is a one-to-one mapping of vertices V into distinct integers. d-edge labeling on the graph G is labeling such that each label is a power of d, when the edge label of an edge is the absolute difference between the labels fob end-vertices of edge. d-edge labelings on the special classes of tree such as full binary trees and binomial trees have benn investigated, but 2-edge labeling on arbitrary binary trees has not known up to now. In this thesis, we present the two approximation algorithms of 2-edge labeling on arbitrary binary tress. The time complexities of these algorithms are O(NlgoN) and O(N²logN), respectively. In addtion, we show that the second algorithm obtains the optimal solutions in the every case of experiments.
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정철원,고형대,고광신 木浦大學校 情報産業硏究所 1996 情報産業硏究誌 Vol.4 No.-
Various methodologies have been studied for producing complex software.Object-oriented technique has proposed in eighties and used in various fields. There are active on going researches on object-oriented method to use it as a software development technique. Applying this mothod in this analysis step of development life-cycle reduce the developers efforts. The proposed Object-oriented analysis method build natural object model based on dynamic behavior of each object. Visibility of a system, a easiness of maintenance and reusability of produced objects will be improved if we use this mothod along with the improved design method.
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방상원,고형대 木浦大學校 情報産業硏究所 1995 情報産業硏究誌 Vol.3 No.-
In developing software systems, how to build the repository and how to save the information systematically is crucial for tools of software environment or CASE environment to execute their jobs successfully. To increase productivity, each tool not only should manage and operate the type of information which is unique to it, but also should share the information and data so that they do their jobs inter-relatedly. In this paper, we investigated the general concepts and architecture on CASE repository. We also design IRDS repository conceptually.
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하이퍼텍스트를 기반으로한 문서 저장 및 검색 시스템의 개발
김용일,고형대 木浦大學校 情報産業硏究所 1994 情報産業硏究誌 Vol.2 No.-
Computer-Mediated Communication Systems (CMCS) like E-mail or bulletin boards have drastically increased the amount as well as the speed of information exchange. Also, Office Automation (OA) environment needs an effective system for document storage and retrieval. DO-STORES(DOcument STOrage and REtrieval System) based on the hypertext concept that can access sequential documents with non-sequential methods was designed and a prototype system was implemented. DO-STORE consists of a storage system for converting input document with hypertext DB, a retrieval system that access documents using non-sequential method and hypertext DB of documents. The prototype of DO-STORES is implemented with the IBM/PC compatible using C-language. Frequently used office documents, which have well structured format, are used as input to the prototype system.
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다발성 대장암 간전이 환자의 간절제를 위한 새로운 시도
주종우,김형철,임철완,신응진,조규석,유기원,송옥평,홍대식,박성진,조준희,이혜경,김희경,권계원,고은석 순천향의학연구소;Soonchunhyang Medical Research Institute 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2
Multiple bilobar liver matastases (MBLM) are the main cause of low resectability in the colon cancer liver metastases. The authors experienced one case of initially non-resectable colon cancer liver metastases. He was curatively and safely treated with a two-stage hepatectomy using the new method of future remnant liver volume growing. A 54-year-old man was referred to our department with the sigmoid colon cancer combined with MBLM, which were checked in two small metastatic lesions in the left lobe and five large sized lesions in the right lobe in the computed tomogram (CT). A laparoscopic assisted anterior resection was primarily performed. We performed the 1^(st) stage hepatectomy 3 weeks after the colon resection. Intra-operative Ultrasonogram (US) found 9 small superficial metastatic lesions in the left lobe. All that lesions were completely removed by non-anatomical wedge resection. An occlusion ballon catheter was placed in the right portal vein through a small branch of the inferior mesenteric vein at that time. The future remnant liver volume was sufficiently increased 3 weeks after the 1^(st) hepatectomy. A right hepatectomy was safely performed 22 days after the 1^(st) hepatectomy. The patient received a regional chemotherapy (interleukin2 based immuno-chemotherapy through hepatic artery) for 4 months, then received 9 cycles of systemic chemotherapy (biweekly Oxaliplation, leucovorin, plus 5-fluorouracil) without any recurrence evidence.
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차왕주,조성의,고형대 木浦大學校 情報産業硏究所 1999 情報産業硏究誌 Vol.7 No.-
School informative project of a part of the educational information intensive society is by using the information technical application works, so to uplift on information intensive society and contribute to diffusion of opening education, and than to promote the information intensive society. Online world in all classrooms connect the computer network, this is the ultimate object for to push the school informative project. In this paper. We analyze the actual conditions of school informative project to be thought the main fact to perform the educational information and then to arrange the notion of theory about the school informative project, as to develop an improving program, and normalization, efficiency, and activity of the educational information project, at last give the aim to develop the balanced educational information.
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홍동택,서재현,고형대 木浦大學校 情報産業硏究所 1999 情報産業硏究誌 Vol.7 No.-
객체지향 프로그래밍의 내재된 문제점으로 인하여 높은 재사용성을 가진 컴포넌트 기반 응용 소프트웨어의 개발에 관한 활발한 연구가 진행중이다. 그러나, 컴포넌트 생산에 있어서 현재의 컴포넌트 개발은 설계 단계에서 불필요한 설계 작업을 수행하여 컴포넌트 개발 기간이 길어지며, 효율적인 재사용이 힘들다. 본 논문에서는 컴포넌트 소프트웨어의 개발 시 재사용성이나 생산성이 부족한 측면을 보완할 수 있는 기능적인 분류를 통한 컴포넌트 개발 방법을 제안하였다. 기능적인 분류를 통한 개발은 불필요한 설계를 없앰으로써 컴포넌트 개발 기간을 단축시키며, 컴포넌트 소프트웨어 개발이나 기존의 소프트웨어의 유지보수에 적절한 대치사용과 유지보수성을 제공하여 높은 재사용성과 생산성을 가진다.
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