Search (64 results, page 1 of 4)

  • × theme_ss:"Verbale Doksprachen im Online-Retrieval"
  1. Lambert, N.: Of thesauri and computers : reflections on the need for thesauri (1995) 0.04
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    Abstract
    Most indexed databases now include their thesauri and/or coding in their bibliographic files, searchable at the databases' online connect rates. Assesses the searchability of these on the different hosts. Thesauri and classifications are also available as diskette or CD-ROM products. Describes a number of these, highlighting the diskette thesaurus from IFI/Plenum Data for its flexible databases, the CLAIMS Uniterm and Comprehensive indexes to US chemical patents
    Source
    Searcher. 3(1995) no.8, S.18-22
  2. Stone, A.T.: Up-ending Cutter's pyramid : the case for making subject references to broader terms (1996) 0.03
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    Abstract
    Subject access in library OPACs might be improved for some users by taking advantage of all of the hierarchical relationships which are indicated on existing LCSH entries. Recommends that cross references pointing to broader terms be displayed, in addition to those for narrower and related terms to which users have traditionally benn directed. Traces the old practice back to Charles Cutter, reports on deliberations of the ALCTS Subject Analysis Committee nearly 120 years later. Discusses practical concerns related to implementing the change, including the accuracy of hierarchical relationships in the LCSH system and possible techniques for using the MARC format to generate the cross references
    Date
    22. 4.1997 20:43:23
  3. Milstead, J.L.: Thesauri in a full-text world (1998) 0.02
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    Abstract
    Despite early claims to the contemporary, thesauri continue to find use as access tools for information in the full-text environment. Their mode of use is changing, but this change actually represents an expansion rather than a contrdiction of their utility. Thesauri and similar vocabulary tools can complement full-text access by aiding users in focusing their searches, by supplementing the linguistic analysis of the text search engine, and even by serving as one of the tools used by the linguistic engine for its analysis. While human indexing contunues to be used for many databases, the trend is to increase the use of machine aids for this purpose. All machine-aided indexing (MAI) systems rely on thesauri as the basis for term selection. In the 21st century, the balance of effort between human and machine will change at both input and output, but thesauri will continue to play an important role for the foreseeable future
    Date
    22. 9.1997 19:16:05
    Source
    Visualizing subject access for 21st century information resources: Papers presented at the 1997 Clinic on Library Applications of Data Processing, 2-4 Mar 1997, Graduate School of Library and Information Science, University of Illinois at Urbana-Champaign. Ed.: P.A. Cochrane et al
  4. Geißelmann, F. (Hrsg.): Sacherschließung in Online-Katalogen (1994) 0.02
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    Date
    15. 7.2018 16:22:16
    Footnote
    Rez. in: Mitteilungen VÖB 48(1995) H.1, S.66-68 (K. Niedermair) - Vgl. auch Lepsky, K. in: Bibliotheksdienst 29(1995) H.3, S.500-519; Bibliothek: Forschung u. Praxis 19(1995) H.2, S.251-254 (G. Hartwieg; auch in: LDV-Forum Bd. 12, Nr. 2, Jg. 1995, S.22-29 [unter: http://www.jlcl.org/1995_Heft2/Rezensionen_19-27.pdf]) .
    RSWK
    Inhaltserschliessung / On-line-Katalog (ÖVK)
    Subject
    Inhaltserschliessung / On-line-Katalog (ÖVK)
  5. Boeckx, T.: Onderwerpontsluiting in de on-line publiekscatalogus (1986) 0.01
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  6. Keen, E.M.: Aspects of computer-based indexing languages (1991) 0.01
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    Abstract
    Comments on the relative rarity of research articles on theoretical aspects of subject indexing in computerised retrieval systems and the predominance of articles on software packages and hardware. Concludes that controlled indexing still has a future but points to major differences from the past
    Source
    Computers in libraries international 91. Proceedings of the 5th Annual Conference on Computers in Libraries, London, February 1991
  7. DeHart, F.E.; Glazier, J.: Computer searching on PRECIS : an exploration of measuring comparative retrieval effectiveness (1984) 0.01
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    Abstract
    Designing research on the retrieval effectiveness of computer searches on PRECIS compared with retrieval effectiveness of searches on other types of subject analysis used in computer-based information sources is a complex process. This paper explores the complexity of measuring comparative retrieval effectiveness through a comparison of the subject analysis provided by the PRECIS system for fifty articles with the subject analysis provided for the same articles by three computer-based information sources: ERIC/CIJE, LLBA/Online and PsycINFO. Objectives are: (1) to discover factors that should be taken into account when designing this type of research; and (2) to identify extraneous variables that work against internal validity in research design .
  8. Mischo, W.H.: ¬A subject retrieval function based on computer manipulated Library of Congress Subject Headings (1982) 0.01
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  9. Pietris, M.K.D.: Characteristics of LC Subject Headings that should be taken into account when designing on-line catalogues (1987) 0.01
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  10. Connell, T.H.: Use of the LCSH system : realities (1996) 0.01
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    Abstract
    Explores the question of whether academic libraries keep up with the changes in the LCSH system. Analysis of the handling of 15 subject headings in 50 academic library catalogues available via the Internet found that libraries are not consistently maintaining subject authority control, or making syndetic references and scope notes in their catalogues. Discusses the results from the perspective of the libraries' performance, performance on the headings overall, performance on references, performance on the type of change made to the headings,a nd performance within 3 widely used onlien catalogue systems (DRA, INNOPAC and NOTIS). Discusses the implications of the findings in relationship to expressions of dissatisfaction with the effectiveness of subject cataloguing expressed by discussion groups on the Internet
  11. Cochrane, P.A.: Indexing and searching thesauri, the Janus or Proteus of information retrieval (1992) 0.01
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    Source
    Classification research for knowledge representation and organization. Proc. 5th Int. Study Conf. on Classification Research, Toronto, Canada, 24.-28.6.1991. Ed. by N.J. Williamson u. M. Hudon
  12. Rood, J.: Practical considerations in dealing with LCSH-mr (1991) 0.01
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    Series
    ALCTS papers on library technical services and collections; no.1
  13. Mandel, C.A.: Multiple vocabularies in subject authority control (1991) 0.01
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    Series
    ALCTS papers on library technical services and collections; no.1
  14. Lucarelli, A.: Semantic authority control and New Soggettario (2004) 0.01
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    Abstract
    The project of the renewal of the Subject Headings for Italian Library Catalogues (Soggettario), financed by the National Central Library in Florence, proposes a pre-coordinated language, both analytic and synthetic, complying with international rules on vocabulary control and structure, based on category analysis of semantic relationships. It envisages a strict distinction between semantic relationships and syntactic ones, and bases its citation order of subject strings on the analysis model for logical relationships. Thanks to its features, the new Soggettario agrees both with the logic of Guidelines for Subject Authority and Reference Entries and of UNIMARC. Authorities, and with FRBR (Functional Requirements for Bibliographic Records). The rigorous structure of the thesaurus will facilitate the transfer of controlled terminology to lists or authority files and archives. The Italian National Bibliography (BNI) will have to play a leading role on the control of coherence of semantic access points. It will validate the strings created by other libraries and control their coherence according to the syntax rules envisaged in the new method.
  15. Hoerman, H.L.; Furniss, K.A.: Turning practice into principles : a comparison of the IFLA Principles underlying Subject Heading Languages (SHLs) and the principles underlying the Library of Congress Subject Headings system (2000) 0.01
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    Abstract
    The IFLA Section on Classification and Indexing's Working Group on Principles Underlying Subject Headings Languages has identified a set of eleven principles for subject heading languages and excerpted the texts that match each principle from the instructions for each of eleven national subject indexing systems, including excerpts from the LC's Subject Cataloging Manual: Subject Headings. This study compares the IFLA principles with other texts that express the principles underlying LCSH, especially Library of Congress Subject Headings: Principles of Structure and Policies for Application, prepared by Lois Mai Chan for the Library of Congress in 1990, Chan's later book on LCSH, and earlier documents by Haykin and Cutter. The principles are further elaborated for clarity and discussed
  16. Jin, Q.: Is FAST the right direction for a new system of subject cataloging and metadata? (2008) 0.01
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    Abstract
    The Subject Analysis Committee Subcommittee on FAST of the Association for Library Collections & Technical Services (ALCTS) was established in the fall of 2004 to explore issues related to the implementation of the Faceted Application of Subject Terminology (FAST) subject heading schema. FAST is being developed at the Online Computer Library Center (OCLC) and is derived from the Library of Congress Subject Headings (LCSH) with a simplified syntax. This paper is based on comments by the Subject Analysis Committee Subcommittee on FAST, which reviewed a sample of 5,000 bibliographic records with both LCSH and FAST headings. It provides the library community with some understanding of FAST, a new system of subject cataloging and metadata.
  17. Chan, L.M.: Functions of a subject authority file (1991) 0.01
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    Series
    ALCTS papers on library technical services and collections; no.1
  18. Garrison, W.A.: Practical considerations in using the machine-readable LCSH (1991) 0.01
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    Series
    ALCTS papers on library technical services and collections; no.1
  19. Bishoff, L.: Public access to the Library of Congress Subject Headings online (1991) 0.01
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    Series
    ALCTS papers on library technical services and collections; no.1
  20. Aluri, R.D.; Kemp, A.; Boll, J.J.: Subject analysis in online catalogs (1991) 0.01
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    LCSH
    Catalogs, On / line / Subject access
    Subject
    Catalogs, On / line / Subject access

Years

Languages

  • e 57
  • d 3
  • f 1
  • i 1
  • ja 1
  • nl 1
  • More… Less…

Types

  • a 54
  • m 7
  • s 5
  • i 1
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Classifications