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철도안전프로젝트에 적용한 시스템엔지니어링 관리계획서 작성에 관한 연구 (A Study on the Systems Engineering Management Plan for the Railway Safety Project)

  • 최요철;조연옥
    • 한국철도학회논문집
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    • 제9권4호
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    • pp.482-486
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    • 2006
  • The Systems Engineering Management Plan (SEMP) is the primary, top level technical management document for the integration of all engineering activities at the project plan phase. This document defined the activities to plan, control, and perform overall engineering integration. To develop the SEMP for Railway Safety System, several standards are reviewed and analyzed. And then a common requirement for SEMP preparation is derived from the results of analysis. Also, the SEMP example available practically applies to Railway Safety System. In particular, The SEMP focused on controling technical program management has been organized so far, but in this study the detailed contents of SEMP put stress on project management is derived. And it is related to each other between project management and technical engineering management. At the end, to continuously manage the items and contents of the SEMP, a database management and an automatic document generation system is presented using Computer-Aided Systems Engineering (CASE) tool.

철도안전시스템에 적용한 시스템 엔지니어링 관리 계획 작성사례 연구 (A Study on the Systems Engineering Management Plan for the Railway Safety System)

  • 최요철;박영원;조연옥
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2005년도 춘계학술대회 논문집
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    • pp.64-69
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    • 2005
  • The Systems Engineering Management Plan (SEMP) is the primary, top level technical management document for the integration of all engineering activities at the project plan phase. This document defined the activities to plan, control, and perform overall engineering integration. To develop the SEMP for Railway Safety System, several standards are reviewed and analyzed. And then a common requirement for SEMP preparation is derived from the results of analysis. Also, the SEMP example available practically applies to Railway Safety System. In particular, The SEMP focused on controling technical program management has been organized so far, but in this study the detailed contents of SEMP put stress on project management is derived. And it is related to each other between project management and technical engineering management. At the end, to continuously manage the items and contents of the SEMP, a database management and an automatic document generation system is presented using Computer-Aided Systems Engineering (CASE) tool.

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Conceptual Object Grouping for Multimedia Document Management

  • Lee, Chong-Deuk;Jeong, Taeg-Won
    • International Journal of Fuzzy Logic and Intelligent Systems
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    • 제9권3호
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    • pp.161-165
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    • 2009
  • Increase of multimedia information in Web requires a new method to manage and service multimedia documents efficiently. This paper proposes a conceptual object grouping method by fuzzy filtering, which is automatically constituted based on increase of multimedia documents. The proposed method composes subsumption relations between conceptual objects automatically using fuzzy filtering of the document objects that are extracted from domains. Grouping of such conceptual objects is regarded as subsumption relation which is decided by $\mu$-cut. This paper proposes $\mu$-cut, FAS(Fuzzy Average Similarity) and DSR(Direct Subsumption Relation) to decide fuzzy filtering, which groups related document objects easily. This paper used about 1,000 conceptual objects in the performance test of the proposed method. The simulation result showed that the proposed method had better retrieval performance than those for OGM(Optimistic Genealogy Method) and BGM(Balanced Genealogy Method).

절차적 프로그램으로부터의 객체 추출 방법론 (A Method of Object Identification from Procedural Programs)

  • 진윤숙;마평수;신규상
    • 한국정보처리학회논문지
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    • 제6권10호
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    • pp.2693-2706
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    • 1999
  • Reengineering to object-oriented system is needed to maintain the system and satisfy requirements of structure change. Target systems which should be reengineered to object-oriented system are difficult to change because these systems have no design document or their design document is inconsistent of source code. Using design document to identifying objects for these systems is improper. There are several researches which identify objects through procedural source code analysis. In this paper, we propose automatic object identification method based on clustering of VTFG(Variable-Type-Function Graph) which represents relations among variables, types, and functions. VTFG includes relations among variables, types, and functions that may be basis of objects, and weights of these relations. By clustering related variables, types, and functions using their weights, our method overcomes limit of existing researches which identify too big objects or objects excluding many functions. The method proposed in this paper minimizes user's interaction through automatic object identification and make it easy to reenginner procedural system to object-oriented system.

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심약 사례 연구 - 경상심약을 중심으로 (A Study on Simyaksalye - Focused on Gyeongsangsimyak)

  • 박훈평
    • 한국의사학회지
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    • 제32권2호
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    • pp.61-69
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    • 2019
  • Simyak (Finding Herbs) was a medical bureaucracy appointed directly by the central government of the Joseon Dynasty to the province. Simyaksalye (Casebook of Finding Herbs) was a 19th-century manuscript dealing only with Simyak. This study has outlined and analyzed the contents of this document. This article reveal facts which include : 1) The year of completion of this document was after December 24, 1873. However, the contents of the text were mixed with different writing periods in the 19th century. 2) The author of this document was assumed to be a member of Jeonuigam. Jeonuigam-based expressions appear in the content. 3) Simyak's main focus was not on contributing to local health care, but on the procurement of goods for central care. Much of Simyaksalye's content were on medicines and goods facts and their benefits. If Simyak's role was important in local medical cadet education, then there would have been rules related to it.

Text Mining of Wood Science Research Published in Korean and Japanese Journals

  • Eun-Suk JANG
    • Journal of the Korean Wood Science and Technology
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    • 제51권6호
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    • pp.458-469
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    • 2023
  • Text mining techniques provide valuable insights into research information across various fields. In this study, text mining was used to identify research trends in wood science from 2012 to 2022, with a focus on representative journals published in Korea and Japan. Abstracts from Journal of the Korean Wood Science and Technology (JKWST, 785 articles) and Journal of Wood Science (JWS, 812 articles) obtained from the SCOPUS database were analyzed in terms of the word frequency (specifically, term frequency-inverse document frequency) and co-occurrence network analysis. Both journals showed a significant occurrence of words related to the physical and mechanical properties of wood. Furthermore, words related to wood species native to each country and their respective timber industries frequently appeared in both journals. CLT was a common keyword in engineering wood materials in Korea and Japan. In addition, the keywords "MDF," "MUF," and "GFRP" were ranked in the top 50 in Korea. Research on wood anatomy was inferred to be more active in Japan than in Korea. Co-occurrence network analysis showed that words related to the physical and structural characteristics of wood were organically related to wood materials.

UCP 600의 서류심사기준(書類審査基準)의 기본원칙(基本原則)과 운송서류관련조항(運送書類關聯條項)의 변경내용(變更內容)에 관한 연구 (A Study on the Changes of the Basic Principles for the Examination of Documents and of Transport Document Related Articles under UCP600)

  • 오원석;서경
    • 무역상무연구
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    • 제43권
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    • pp.117-142
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    • 2009
  • The purpose of this paper is to examine the basic principles for the examination of documents in terms of the basic duty to examine the documents, the time allowed to the banks to examine the documents, linkage among the documents, the originality of documents and their issuers, and the rejection formula of documents. Further this author would look at the changes of particular transport document including bill of lading, charter-party bill of lading and so on. From the seller's perspective, the changes of the principles and individual documents under UCP600 are the most important in the sense that they affect the criteria against which the payment is made. The major changes include the omission of the phrase "with reasonable care", in terms of the basic examination principles, substitute the phrase "five banking days following the day of presentation" for the phrase "reasonable time, not to exceed seven banking days following the days of receipt of documents", introduce the new wording about the linkage between the documents tendered, and make clear the meaning of the originality of documents as well as the rejection formula. For transport documents, even though dealing with bill of lading, charter-party bill of lading, transport document covering at least two different modes of transport, freight-forwarder bill of lading and freight collect transport documents, this paper focuses on the "transhipment" of bill of lading and the definition of charter-party bill of lading. Thus, UCP has been changed several times to reflect the new banking customs and practice. It, however, would not answer every questions which users and banks will raise. These questions may be best answered in the particular underlying contract. The UCP are necessary but not a sufficient instrument for the smooth operation of an international trade transaction. The rules are now out: it remains to be seen what the players do with it.

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비정형 문서에서 감정과 상황 정보를 이용한 감성 예측 (Sentiment Prediction using Emotion and Context Information in Unstructured Documents)

  • 김진수
    • 융합정보논문지
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    • 제10권10호
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    • pp.40-46
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    • 2020
  • 인터넷의 발전으로 사용자들은 자신의 경험이나 의견을 공유한다. 영화평과 같은 비정형 문서의 전체적인 감정이나 장르 등의 정보를 고려하지 않고 연관된 키워드를 사용하기 때문에 적절한 감정 상황에 따른 감성 정확도를 저해한다. 따라서 사용자들이 작성한 비정형 문서가 속한 장르나 전반적인 감정 등의 정보를 기반으로 감성을 예측하는 시스템을 제안한다. 먼저, 비정형 문서로부터 기쁨, 화남, 공포, 슬픔 등의 감정 집합과 연관된 대표 키워드를 추출하고, 감정 특징단어들의 정규화된 가중치와 비정형 문서의 정보를 훈련 집합으로 CNN과 LSTM을 조합한 시스템에 훈련한다. 최종적으로 영화 정보와 형태소 분석기와 n-gram을 통해 추출한 정제된 단어들과 이모티콘, 이모지 등을 테스트함으로써 감정을 이용한 감성 예측 정확도와 F-measure 측면에서 향상됨을 보였다. 제안한 예측시스템은 슬픈 영화에서 슬픈 단어의 사용과 공포 영화에서 무서운 단어 등의 사용으로 인해 부정으로 판단하는 오류를 피함으로써, 감성을 상황에 따라 적절하게 예측할 수 있다.

한국에서의 전자선화증권 운용을 위한 종합계획수립에 관한 연구 (A Study on the Establishment of Master Plan on the Operation of the Electronic Bill of Lading in Korea)

  • 최석범;신인광
    • 통상정보연구
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    • 제6권1호
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    • pp.129-153
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    • 2004
  • In order to succeed in e-Trade Project in Korea, the related parties endeavor to introduce the e-title registry model such as Bolero model(Title Registry Model) and TEDI model (Repository Service Provider Model). Prior to mentioning the Model of e-Title Registry, desirable Global e-Trade Platform is the platform connecting Global e-Trade Platforms in each country and Bolero's Core Messaging Platform and e-Title Registry must be established in each country. Each e-Title Registry must be connected with another registry. Like Korea, Recognized Electronic Document Repository must be established as proxy for preserving, attesting, carrying out sending and receiving electronic document to prevent from disputes between parties and to carry out notarizing electronic documents and related transaction. The purpose of this paper is to promote the introduction of e-Title Registry in the e-Trade and to streamline the procedures of the electronic bill of lading.

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전자문서 이용확산을 위한 공인 전자문서보관소의 도입 필요성과 입법내용 (A Review on Needs and Related Law of Authorized Electronic Data Depot for the Diffusion in the Use of Electronic Document)

  • 김선광
    • 통상정보연구
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    • 제6권1호
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    • pp.191-210
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    • 2004
  • There are increasing needs for an individual or enterprise to interchange documents electronically through communication network to enhance the efficiency of business, owing to rapid process of transactions. But e-commerce encounters the problems regarding the handling the electronic documents, that is to say, deposit and proof of the electronic documents. This paper deals with Authorized Electronic Data Depot as an integrated system for processing, relaying and proving documents that. Authorized Electronic Data Depot operates as e-enabler in exchanging documents in trust among administrative agencies and a comprehensive government directory, digital government seal certification system and DNS system. Authorized Electronic Data Depot leads public and private sectors to save the paper-related costs. But the regulations concerning an authorized electronic data depot is introduced in the course of revision of Electronic Transactions Act. The purpose of this paper is to suggest some guidelines in legalizing the authorized electronic data depot.

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