Search (16 results, page 1 of 1)

  • × year_i:[1980 TO 1990}
  • × theme_ss:"Verbale Doksprachen im Online-Retrieval"
  1. Cochrane, P.A.: Subject access in the online catalog (1982) 0.00 
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    Source
    Research libraries in OCLC: a quarterly. 5(1982), S.1-7
  2. Bates, M.J.: How to use controlled vocabularies more effectively in online searching (1989) 0.00 
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    Abstract
    Optimal retrieval in on-line searching can be achieved through combined use of both natural language and controlled vocabularies. However, there is a large variety of types of controlled vocabulary in data bases and often more than one in a single data base. Optimal use of these vocabularies requires understanding what types of languages are involved, and taking advantage of the particular mix of vocabularies in a given data base. Examples 4 major types of indexing and classification used in data bases and puts these 4 in the context of 3 other approaches to subject access. Discusses how to evaluate a new data base for various forms of subject access.
  3. Bates, M.J.: How to use controlled vocabularies more effectively in online searching (1989) 0.00 
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    Abstract
    Optimal retrieval in on-line searching can be achieved through combined use of both natural language and controlled vocabularies. However, there is a large variety of types of controlled vocabulary in data bases and often more than one in a single data base. Optimal use of these vocabularies requires understanding what types of languages are involved, and taking advantage of the particular mix of vocabularies in a given data base. Examples 4 major types of indexing and classification used in data bases and puts these 4 in the context of 3 other approaches to subject access. Discusses how to evaluate a new data base for various forms of subject access.
  4. Svenonius, E.: Design of controlled vocabularies in the context of emerging technologies (1988) 0.00 
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    Abstract
    Delineates on the changing role of vocabulary control devices such as classification, subject headings, and thesaurus. Identifies the basic issue in the design and development of these devices and their role in the changing information technology. The paper identifies the differentiations needed in the new roles of these devices in data base technology
  5. Hildreth, C.R.: Intelligent interfaces and retrieval methods for subject searching in bibliographic retrieval systems (1989) 0.00 
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    Footnote
    Rez. in: Journal of academic librarianship (1990) S.44 (R.J. Dorn); Bibliothek; Forschung u. Praxis 14(1990) S.90-91 (W. Umstätter)
    Series
    Advances in library information technology; 2
  6. Dykstra, M.: PRECIS in the online catalog (1989) 0.00 
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    Footnote
    Simultaneously published as Subject Control in Online Catalogs
  7. Bates, M.J.: Rethinking subject cataloging in the online environment (1989) 0.00 
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  8. Boeckx, T.: Onderwerpontsluiting in de on-line publiekscatalogus (1986) 0.00 
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  9. Bates, M.J.: Subject access in online catalogs: a design model (1986) 0.00 
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  10. Markey, K.; Atherton, P.; Newton, C.: ¬An analysis of controlled vocabulary and free text search statements in online searches (1980) 0.00 
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  11. Walker, S.; Jones, R.M.: Improving subject retrieval in online catalogues : T.1: Stemming, automatic spelling correction and cross-reference tables (1987) 0.00 
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  12. Intelligent information systems: progress and prospects (1986) 0.00 
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    Content
    Enthält die Beiträge: SOMMERVILLE, I., M. WOOD: A software components catalogue; COELHO, H.: Library manager: a case study in knowledge engineering; DAVIES, R.: Cataloguing as a domain for an expert system; POLLITT, A.S.: A rule-base system as an intermediary for searching cancer therapy literature on MEDLINE; LEBOWITZ, M.: An experiment in intelligent information systems: RESEARCHER; VICKERY, A., H.M. BROOKS u. B.C. VICKERY: An expert system for referral: the PLEXUS project; RICH, E.: Users are individuals: individualizing user models; INGWERSEN, P.: Cognitive analysis and the role of the intermediary in information retrieval; SHAW, M.L.G. u. B.R. GAINES: A cognitive model for intelligent information systems; DAVIES, R.: Classification and ratiocination: a perennial quest
  13. Lester, M.A.: Coincidence of user vocabulary and Library of Congress Subject Headings : experiments to improve subject access in academic library online catalogs (1989) 0.00 
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  14. DeHart, F.E.; Glazier, J.: Computer searching on PRECIS : an exploration of measuring comparative retrieval effectiveness (1984) 0.00 
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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 .
  15. Congreve, J.: Problems of subject access : automatic generation of printed indexes and online thesaural control (1986) 0.00 
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    Abstract
    A research project in progress at Middlesex Polytechnic is examining the problems of providing adequate subject access from MARC-based cataloguing systems. Various forms of printed index are being evaluated and an experimental OPAC is being designed. The PRECIS RIN file will be tested as a basis for online thesaural control and as a browsing facility
  16. Schabas, A.H.: Postcoordinate retrieval : a comparison of two retrieval languages (1982) 0.00 
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    Abstract
    This article reports on a comparison of the postcoordinate retrieval effectiveness of two indexing languages: LCSH and PRECIS. The effect of augmenting each with title words was also studies. The database for the study was over 15.000 UK MARC records. Users returned 5.326 relevant judgements for citations retrieved for 61 SDI profiles, representing a wide variety of subjects. Results are reported in terms of precision and relative recall. Pure/applied sciences data and social science data were analyzed separately. Cochran's significance tests for ratios were used to interpret the findings. Recall emerged as the more important measure discriminating the behavior of the two languages. Addition of title words was found to improve recall of both indexing languages significantly. A direct relationship was observed between recall and exhaustivity. For the social sciences searches, recalls from PRECIS alone and from PRECIS with title words were significantly higher than those from LCSH alone and from LCSH with title words, respectively. Corresponding comparisons for the pure/applied sciences searches revealed no significant differences

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