• Journal of the Korean BIBLIA Society for library and Information Science
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• v.15 no.2
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• pp.177-194
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• 2004

The overload of internet information makes user many restrictions. Users are confronted with the problems of information quantities, search, quality and reliability without information needs, technology level, education background of user, when they use internet as a tool of information search and retrieval. Web academic information subject gateway which provides user web information resource of high quality is a solution for these problems. This article explores the characteristics about the establishment and administration of foreign web academic information subject gateway, and identifies the considerations for establishing and managing it.

• Journal of the Korean Society for Library and Information Science
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• v.35 no.1
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• pp.27-45
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• 2001

Internet has great potential to support many researchers' work. But it is difficult to locate high quality information on the web efficiently and effectively. This paper describes the current state and characteristics of subject-based information gateways(SBIGs) on the Internet and discusses some of issues involving system maintenance and management for information gateway development.

• Proceedings of the Korean Society for Information Management Conference
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• 2002.08a
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• pp.131-138
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• 2002

본 고에서는 공학분야 중에서도 그 응용범위가 가장 광범위하다고 할 수 있는 기계공학분야의 이용자에게 수준 높은 웹 정보자원을 효율적으로 제공하기 위하여 검색엔진을 통하여 자동 수집된 웹 정보자원을 기계공학분야 주제전문가의 평가를 통해 핵심정보를 선정하고 이를 더블린코어 메타데이터를 응용한 베타데이터 요소에 따라 조직하여 웹 상의 검색 인터페이스에 의해 이용될 수 있도록 주제 게이트웨이 시스템을 설계하였다. 정보자원의 검색방법으로는 키워드 검색과 주제분류체계에 따른 브라우징 검색 등 두 가지 방법을 이용하였다.

• Journal of the Korean Society for Library and Information Science
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• v.35 no.1
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• pp.28-28
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• 2001

The second research of "a study of the evaluation indicators in Korean public libraries’ had as Its major objective the identification of Indicators and broad dimensions of public library effectiveness in Korea. The managers and librarians of the 175 public libraries in the sample were asked to rate the performance of their libraries. Factor analysis was used to derive 11 dimensions of effectiveness. The dimensions fit four different models of organizational effectiveness.

• Journal of Information Management
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• v.34 no.1
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• pp.37-57
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• 2003

With rapid telecommunication development, university libraries began to provide traditional services as well as web-based services. For the web-based services, university libraries should collect, arrange, and preserve all types of information resources systematically to raise users access and convenience. Therefore, university libraries should be changed into a gateway, which emphasizes electronic collection and role of the internet. That is, university libraries should be a real space as well as a virtual space having collection ability and access paradigm. This research is intended to provide improvement plans through analyzing the collected data.

• KLA journal
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• v.42 no.1 s.326
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• pp.13-29
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• 2001

도쿄공업대학전자도서관(TDL:Titech Digital Library)은 1999년 4월에 서비스를 시작했다 TDL은 이공학 분야의 다양한 정보자원과 이용자를 명쾌하게 연결시키는 게이트웨이 기능의 실현을 목적으로 한 전자도서관 시스템이다. 본고에서는 우선 도쿄공업대학부속도서관에서 TDL의 도입 이전에 시도해 온 여러 가지 전자적 정보 서비스에 대해서 되돌아보고, 이어서 TDL 설계의 구상(Concept), 그 구상을 실현하기위한 시스템의 기본기능에 대하여 실제 서비스 전개 상황을 삽입해 가면서 설명한 후, 마지막으로 금후의 과제와 전망에 대해서 언급한다. (TDL은 http:// tdl.libra.titech/에서 검색할 수가 있으며, 이 글의 키워드는 대학도서관, 전자도서관, 도쿄공업대학, 복합도서관(Hybrid Library) Z39.50, 상호이용성, 주제 게이트웨이, User Interface등임)

• Proceedings of the Korean Society for Information Management Conference
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• 1999.08a
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• pp.245-248
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• 1999

본 연구에서는 인터넷 환경의 정보검색 문제를 해결하기 위한 방안으로 메타데이터 기반구조인 PICS를 분석하여 인터넷 자원의 검색 및 필터링에 적용할 수 있는 요인들을 제시하였다. 또한 시스템의 실재 구현을 도모하기 위해 의학 정보를 위한‘OMNI-PICS’라는 등급체계의 프로토타입을 설정하고, 기계가독형 RAT파일을 설계하였다. 따라서 웹에서 특정 주제 영역을 다루는 주제게이트웨이들이 자원을 협력적으로 필터링하기 위한 표준 포맷으로 PICS 등급체계를 적용하여 운용할 수 있는 구체적 지침을 제공하였다.

• Journal of the Korean Society for Library and Information Science
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• v.36 no.3
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• pp.5-23
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• 2002

With the rapid change of information environment, this study suggests role models and strategies for the university library in Korea based on the subject specialization. By analyzing the current situation and problems of university library, this research presents various directions for the subject specialization. Major research issues are (1) university library's subject specialization directions, models, and factors, (2) subject specialized librarian' s role and education system, (3) basic framework for customized information service and user education, (4) enhancement of subject specialization through subject gateway, (5) academic information sharing system.

• KIPS Transactions on Computer and Communication Systems
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• v.4 no.12
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• pp.409-414
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• 2015

The energy conservation is the most important subject for long run operation of the sensor nodes with limited power resources. Clustering is one of most energy efficient technique to grouped the sensor nodes into distinct cluster. But, in a cluster based WSN, CHs and gateways bear an extra work load to send the processed data to the sink. The inappropriate cluster formation may cause gateways overloaded and may increase latency in communication. In this paper, we propose a novel load balanced clustering model for improving energy efficiency and giving a guarantee of long network lifetime. We show the result of performance measurement experiments that designs using a branch and bound algorithm and a multi-start local search algorithm to compare with the existing load balanced clustering model.

• Journal of Korean Library and Information Science Society
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• v.35 no.4
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• pp.1-21
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• 2004

The purpose of this study is to investigate historical backgrounds, maintenance, revision and application areas of UDC(Universal Decimal Classification) in order to understand current issues of it systematically. Since 1905, n has been extensively developed and is now administered by UDC Consortium(UDCC). UDCC updates MRF(Master Reference File), an electronic form of the UDC schedules, once a year. UDC updates and publishes standard edition extended edition, and abridged edition according to the degrees of notion abridgement, and is available on the web. UDC can be now applicable to collection arrangement, SDI(Selective Dissemination of Information) service, searching subject bibliographies, switching language or subject gateway and metadata on the Internet, and automatic classification.