• Title/Summary/Keyword: Bibliographic Database

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A Study of the Influence of Choice of Record Fields on Retrieval Performance in the Bibliographic Database (서지 데이터베이스에서의 레코드 필드 선택이 검색 성능에 미치는 영향에 관한 연구)

  • Heesop Kim
    • Journal of the Korean Society for Library and Information Science
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    • v.35 no.4
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    • pp.97-122
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    • 2001
  • This empirical study investigated the effect of choice of record field(s) upon which to search on retrieval performance for a large operational bibliographic database. The query terms used in the study were identified algorithmically from each target set in four different ways: (1) controlled terms derived from index term frequency weights, (2) uncontrolled terms derived from index term frequency weights. (3) controlled terms derived from inverse document frequency weights, and (4) uncontrolled terms based on universe document frequency weights. Su potable choices of record field were recognised. Using INSPEC terminology, these were the fields: (1) Abstract. (2) 'Anywhere'(i.e., ail fields). (3) Descriptors. (4) Identifiers, (5) 'Subject'(i.e., 'Descriptors' plus Identifiers'). and (6) Title. The study was undertaken in an operational web-based IR environment using the INSPEC bibliographic database. The retrieval performances were evaluated using D measure (bivariate in Recall and Precision). The main findings were that: (1) there exist significant differences in search performance arising from choice of field, using 'mean performance measure' as the criterion statistic; (2) the rankings of field-choices for each of these performance measures is sensitive to the choice of query : and (3) the optimal choice of field for the D-measure is Title.

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서지데이타베이스의 저작권 문제가 문헌정보의 유통에 미치는 영향

  • 이제환
    • Journal of Korean Library and Information Science Society
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    • v.21
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    • pp.325-361
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    • 1994
  • The Library of Congress' proposal to license LC MARC database and the following debate over the proposal shows that the issue on ownership of bibliographic databases, which surfaced as a topic of concern in the international library community with the OCLC's a n.0, pplication for copyright of its databases in 1982, is not fading or dead into the 1990s. In particular, the way that technological developments are outpacing the ability of the relevant organizations and legal systems to make necessary adjustments is giving the library profession a warning that cooperative efforts for further development of the international library systems, such as the UBC program, might be seriously impeded without a swift and amicable agreement on the controversial 'database ownership' issue. Here, the purpose of this paper lies in discussing the 'database ownership' issue from a macro and long-term perspective, with emphasis on its potential impacts on, and implications for, international information flows. To the end, the specific questions covered in this paper include : 1) what are the major causes of the database ownership controversy? 2) what are the potential impacts of the database ownership issue on the library profession's cooperative efforts toward free bibliographic information flows at the international level? And finally, 3) what are the implications of the database ownership issue for the Korean Library Community, which is making efforts toward the establishment of a national library network in near future through linking various library automation systems.

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Hydrogen production using high temperature reactors: an overview

  • Deokattey, Sangeeta;Bhanumurthy, K.;Vijayan, P.K.;Dulera, I.V.
    • Advances in Energy Research
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    • v.1 no.1
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    • pp.13-33
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    • 2013
  • The present work is an attempt to provide an overview, about the status of R&D and current trends in Hydrogen Production using High Temperature Reactors. Bibliographic references from the INIS database, the Science Direct database and the NTIS database were downloaded and analyzed. Ten year data on the subject, published between 2001 and 2010, was selected for the study. Appropriate qued ry formulations on these databases, resulted in the retrieval of 621 unique bibliographic records. Using the content analysis method, all the records were analyzed. Part One of the analysis details Scientometric R&D indicators, Part Two is a subject-based analysis, grouped under: A. International Initiatives and Programmes for Hydrogen Production; B. European R&D initiatives for Hydrogen production; C. National Initiatives and Programmes for Nuclear Hydrogen Production; D. Reactor Technologies for Nuclear Hydrogen production; E. Fuel Developments; F. Hydrogen Production Processes using HTRs and G. Materials Consideration for Nuclear Hydrogen Production. The results of this analysis are summarized in the study.

Development of Superconducting Materials Property Database (초전도 재료물성 데이터베이스 개발)

  • 이정구;이상호;김창규;김지영;한정민;김태중
    • Proceedings of the Korea Contents Association Conference
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    • 2003.05a
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    • pp.291-297
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    • 2003
  • With the development of information communication technology, the demands for various, profound and advanced information on science and technology and the necessity for establishing science and technology information infrastructure with the aim of future oriented industry are ever increasing. Advanced countries are providing material property DB as well as bibliographic DB though the Internet. Establishment and dissemination of bibliographic DB at domestic is properly settled but research on material property DB is much to be desired. Accordingly, development and research on material property DB to construct the information infrastructure in science and technology are highly necessary. In this study, we have developed superconducting materials property DB which is highly advanced industry field in future. We provide the thermal and mechanical, and superconducting property data for oxide superconductors, and the database is designed by bibliographic information, material information and material property information section.

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A Study on Direction of Next Generation Bibliographic Network (차세대 서지네트워크의 방향성 모색)

  • Cho, Jane
    • Journal of Korean Library and Information Science Society
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    • v.42 no.2
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    • pp.85-103
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    • 2011
  • Bibliographic Network has been a goal about not only to support resource sharing within libraries but also to pursue economic efficiency of cataloging. But nowadays, as resources in diverse media and format have been poured out, printed resources based union catalog should change to new resources finding system which include diverse type of resources. This study analyzes changing factors of bibliographic network and strategies for LC, NII, OCLC, NLA who try to turn over a new service. Finally basis on these findings, suggest task for Korean new generation bibliographic network service which is focused on introducing new collaborating model and developing new resource finding system.

Commercial Databases : The Keypoints and Practical Use(3) - Journal Articles and Books - (상용(商用) 데이터베이스 : 요점(要點)과 활용(活用)(3) - 잡지(雜誌).도서(圖書) -)

  • Cho, Jae-Ho
    • Journal of Information Management
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    • v.24 no.4
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    • pp.58-77
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    • 1993
  • Database of journals/books are categorized into bibliographic database and clearinghouse-type databases which tell you locations of original materials. There is such a problem in the latter type of databases that those are not likely to be commercialized, although ultimate purpose which users have is to obtain original materials. We find photocopying service through on-line or full-text databases currently available, but we can't get information which meets our needs only by those databases. This paper describes major database services and how to use them by document type(journal or book). The author also discusses what future information centers utilizing databases should be.

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Study on the FRBR Algorithm and Application of KORMARC Database (FRBR 알고리즘 분석 및 KORMARC 데이터베이스 적용 방안)

  • Cho, Jane
    • Journal of the Korean Society for Library and Information Science
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    • v.38 no.3
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    • pp.5-21
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    • 2004
  • FRBR, as is new conceptual model of bibliography based on entity-relation model, direct to revision of AACR. OCLC and other bibliographic utility develop algorithm that cluster relative bibliographic records automatically, which were derived from one original work, and web-based prototype for FRBR browsing. But the state of domestic research level stay at conceptual reconsideration of FRBR model.7his study focused on analyzing FRBR algorithm and application of KORMARC database.

A Study on the Extraction and Utilization of Index from Bibliographic MARC Database (서지마크 데이터베이스로부터의 색인어 추출과 색인어의 검색 활용에 관한 연구 - 경북대학교 도서관 학술정보시스템 사례를 중심으로 -)

  • Park Mi-Sung
    • Journal of Korean Library and Information Science Society
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    • v.36 no.2
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    • pp.327-348
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    • 2005
  • The purpose of this study is to emphasize the importance of index definition and to prepare the basis of optimal index in bibliographic retrieval system. For the purpose, this research studied a index extraction theory on index tag definition and index normalization from the bibliographic marc database and analyzed a retrieval utilization rate of extracted index. In this experiment, we divided index between text-type and code-type about the generated 29,219,853 indexes from 2,200,488 bibliographic records and analyzed utilization rate by the comparison of index-type and index term of web logs. According to the result, the text-type indexes such as title, author, publication, subject are showed high utilization rate while the code-type indexes were showed low utilization rate. So this study suggests that the unused index is removed from index definition to optimize index.

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An Analysis on Access Points of Children's Materials : Using "A" Online Library Catalog and "N" Children's Database in the U. S. (어린이자료의 접근점 분석 - 미국의 사례를 중심으로 -)

  • Chung, Jin-Soo
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.20 no.4
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    • pp.101-113
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    • 2009
  • This paper reports the results of the analysis on the access points of two bibliographic databases specialized in children's materials: "A" public library's online catalog and "N" children's novel database. The analysis particularly focused on the access points that lead users to discover their own needs and on the ways users search and navigate. The findings showed that the selected bibliographic systems supported many access points that were taken from the materials as well as from other relevant information sources and that browsing and navigating with hyperlinks supported the users' 'recognition' of information through 'interactivity' between the users and the systems, 'information encountering,' and 'serendipity.' The findings of this paper have implications for librarians and systems designers who want to develop user-friendly bibliographic systems that give access to children's materials.