Search (45 results, page 1 of 3)

  • × theme_ss:"Verbale Doksprachen für präkombinierte Einträge"
  1. Chan, L.M.; Hodges, T.: Entering the millennium : a new century for LCSH (2000) 0.04 
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    Abstract
    Library of Congress Subject Headings (LCSH), a system originally designed as a tool for subject access to the Library's own collection in the late nineteenth century, has become, in the course of the last century, the main subject retrieval tool in library catalogs throughout the United States and in many other countries. It is one of the largest non-specialized controlled vocabularies in the world. As LCSH enters a new century, it faces an information environment that has undergone vast changes from what had prevailed when LCSH began, or, indeed, from its state in the early days of the online age. In order to continue its mission and to be useful in spheres outside library catalogs as well, LCSH must adapt to the multifarious environment. One possible approach is to adopt a series of scalable and flexible syntax and application rules to meet the needs of different user communities
    Date
    27. 5.2001 16:22:21
    Theme
    Verbale Doksprachen im Online-Retrieval
  2. Sauperl, A.: Precoordination or not? : a new view of the old question (2009) 0.04 
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    Abstract
    Purpose - This paper aims to discuss some long-standing issues of the development of a subject heading language as pre- or postcoordinated. Design/methodology/approach - In a review of literature on pre- and postcoordination and user behaviour, 20 criteria originally discussed by Svenonius are considered. Findings - The advantages and disadvantages of pre- and postcoordinated systems are on a very similar level. Most subject heading languages developed recently are precoordinated. They all require investments in highly skilled intellectual work, and are therefore expensive and difficult to maintain. Postcoordinated systems seem to have more advantages for information providers, but less for users. However, most of these disadvantages could be overcome by known information retrieval models and techniques. Research limitations/implications - The criteria originally discussed by Svenonius are difficult to evaluate in an exact manner. Some of them are also irrelevant because of changes in information retrieval systems. Practical implications - It was found that the decision on whether to use a pre- or postcoordinated system cannot be taken independent of consideration of the subject authority file and the functions of an information retrieval system, which should support users on one hand and information providers and indexers on the other. Originality/value - This literature review brings together some findings that have not been considered together previously.
    Date
    20. 6.2010 14:22:43
  3. Anderson, J.D.; Pérez-Carballo, J.: Library of Congress Subject Headings (LCSH) (2009) 0.03 
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    Date
    27. 8.2011 14:22:13
    Theme
    Verbale Doksprachen im Online-Retrieval
  4. Bodoff, D.; Kambil, A.: Partial coordination : II. A preliminary evaluation and failure analysis (1998) 0.03 
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    Abstract
    Partial coordination is a new method for cataloging documents for subject access. It is especially designed to enhance the precision of document searches in online environments. This article reports a preliminary evaluation of partial coordination that shows promising results compared with full-text retrieval. We also report the difficulties in empirically evaluating the effectiveness of automatic full-text retrieval in contrast to mixed methods such as partial coordination which combine human cataloging with computerized retrieval. Based on our study, we propose research in this area will substantially benefit from a common framework for failure analysis and a common data set. This will allow information retrieval researchers adapting 'library style'cataloging to large electronic document collections, as well as those developing automated or mixed methods, to directly compare their proposals for indexing and retrieval. This article concludes by suggesting guidelines for constructing such as testbed
    Theme
    Verbale Doksprachen im Online-Retrieval
  5. Lopes, M.I.: Principles underlying subject heading languages : an international approach (1996) 0.02 
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    Abstract
    Discusses the problems in establishing commonly accepted principles for subject retrieval between different bibliographic systems. The Working Group on Principles Underlying Subject Heading Languages was established to devise general principles for any subject retrieval system and to review existing real systems in the light of such principles and compare them in order to evaluate the extent of their coverage and their application in current practices. Provides a background and history of the Working Group. Discusses the principles underlying subject headings and their purposes and the state of the work and major findings
    Theme
    Verbale Doksprachen im Online-Retrieval
  6. Miller, U.; Teitelbaum, R.: Pre-coordination and post-coordination : past and future (2002) 0.02 
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    Abstract
    This article deals with the meaningful processing of information in relation to two systems of Information processing: pre-coordination and post-coordination. The different approaches are discussed, with emphasis an the need for a controlled vocabulary in information retrieval. Assigned indexing, which employs a controlled vocabulary, is described in detail. Types of indexing language can be divided into two broad groups - those using pre-coordinated terms and those depending an post-coordination. They represent two different basic approaches in processing and Information retrieval. The historical development of these two approaches is described, as well as the two tools that apply to these approaches: thesauri and subject headings.
    Theme
    Verbale Doksprachen im Online-Retrieval
  7. Geißelmann, F.: RSWK für den Online-Katalog : Werkstattbericht zur 3. Auflage (1997) 0.02 
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    Theme
    Verbale Doksprachen im Online-Retrieval
  8. Austin, D.: PRECIS: Introduction (1987) 0.02 
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    Footnote
    Zusammenfassende kompakte Darstellung des Systems PRECIS, seiner Geschichte, Eigenschaften und Möglichkeiten bis hin zum Online-Retrieval. - Als Einführung zu empfehlen
  9. Bodoff, D.; Kambil, A.: Partial coordination : I. The best of pre-coordination and post-coordination (1998) 0.02 
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    Abstract
    The introduction of computerized post-coordination has solved many of the problems of pre-coordinated subject access. However, the adoption of computerized post-coordination results in the loss of some pre-coordination benefits. Specifically, the effect of hiding terms within the context of others is lost in post-coodination which give lead status to every document term. This results in spurious matches of terms out of context. Library patrons and Internet searchers are increasingly dissatisfied with subject access performance, in part because of unmanageably large retrieval sets. The need to enhance precision and limit the size of retrieval sets motivates this work which proposes partial coordination, an approach which incorporates the advantages of computer search with the ability of pre-coordination to limit spurious partial matches and thereby enhance precision
    Theme
    Verbale Doksprachen im Online-Retrieval
  10. Yi, K.; Chan, L.M.: Revisiting the syntactical and structural analysis of Library of Congress Subject Headings for the digital environment (2010) 0.01 
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    Abstract
    With the current information environment characterized by the proliferation of digital resources, including collaboratively created and shared resources, Library of Congress Subject Headings (LCSH) is facing the challenges of effective and efficient subject-based organization and retrieval of digital resources. To explore the feasibility of utilizing LCSH in a digital environment, we might need to revisit its basic characteristics. The objectives of our study were to analyze LCSH in both syntactic and relational structures, to discover the structural characteristics of LCSH, and to identify problems and issues for the feasibility of LCSH as an effective subject access tool. This study reports and discusses issues raised by the syntactic and hierarchical structures of LCSH that present challenges to its use in a networked environment. Given the results of this study, we recommend a number of provisional future directions for the development of LCSH towards further becoming a viable system for digital and networked resources.
    Theme
    Verbale Doksprachen im Online-Retrieval
  11. Chan, L.M.: Library of Congress Subject Headings : principles and application (1995) 0.01 
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    Date
    25.11.2005 18:37:22
  12. Williamson, N.J.: Subject cataloguing and LCSH (1991) 0.01 
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    Abstract
    Discusses subject headings, in particular. Library of Congress Subject Headings as a standard for subject representation of documents in library catalogues. Addresses: the characteristics of LCSH, its use in subject cataloguing and retrieval and its place in online catalogues. Considers the future of LCSH
  13. McIlwaine, I.C.: Subject control : the British viewpoint (1995) 0.01 
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    Theme
    Verbale Doksprachen im Online-Retrieval
  14. Chan, L.M.: Subject access systems in the USA (1995) 0.01 
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    Theme
    Verbale Doksprachen im Online-Retrieval
  15. Villiers, L. de: On-line subject retrieval on CPALS : help us choose! (1996) 0.01 
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  16. Studwell, W.E.: ¬The three camps : the present and possible future status of subject access in online catalogues (1996) 0.01 
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    Theme
    Verbale Doksprachen im Online-Retrieval
  17. Svenonius, E.: Precoordination or not? (1995) 0.01 
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    Theme
    Verbale Doksprachen im Online-Retrieval
  18. Prasher, R.G.: Index and indexing (1990) 0.01 
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    Source
    Tools for knowledge organization and the human interface. Proceedings of the 1st International ISKO Conference, Darmstadt, 14.-17.8.1990. Pt.1
  19. Mann, T.: Is precoordination unnecessary in LCSH? : Are Web sites more important to catalog than books?: a reference librarian's thought on the future of bibliographic control (2000) 0.01 
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    Footnote
    Beitrag einer 'Conference on Bibliographic Control in the New Millennium (Library of Congress)'
  20. Duncan, D.: IFLA Core Programme for Universal Bibliographic Control and International MARC (UBCIM) and Division of Bibliographic Control reports on activities 1994-1995 : Section on Classification and Indexing (1996) 0.01 
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    Abstract
    Discusses the work of the Section on Classification and Indexing, covering the working group on principles underlying subject heading languages; a state of the art survey of subject heading systems; requirements for a format for classification data; DDC edition 20; open programs at the Istanbul conference; the section newsletter; and cooperative projects

Authors

Years

Languages

  • e 40
  • d 3
  • i 1
  • p 1
  • More… Less…

Types

  • a 33
  • m 8
  • el 3
  • s 3
  • i 2
  • b 1
  • x 1
  • More… Less…

Themes

Subjects

Classifications