Search (106 results, page 2 of 6)

  • × theme_ss:"OPAC"
  • × year_i:[1980 TO 1990}
  1. Subject access and bibliographic instruction : two sides of the OPAC problem (1988) 0.02 
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  2. Jouguelet, S.: Subject access in online catalogs : developments in France (1989) 0.02 
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    Abstract
    Contribution to a thematic issue devoted to subject control in on-line catalogues. In contrast with data base searching, the use of an OPAC is direct, without intermediaries and without prior training. This tool allows decentralised information access, 1st in the library and now directly from users' homes. In France MINITEL has made distributed access possible. Outlines the French authority list, RAMEAU (Répertoire d'Autorité Matière Encyclopédique et Alphabétique Unifié) giving details or its users and describes searching the system and the search software, ALEXIS. ALEXIS can serve as an example of the direction to take since it was developed within the perspective of natural language queries.
    Footnote
    Simultaneously published as Subject Control in Online Catalogs
    Source
    Cataloging and classification quarterly. 10(1989) nos.1/2, S.213-224
  3. Carlyle, A.: Matching LCSH and user vocabulary in the library catalog (1989) 0.02 
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    Abstract
    Central to subject searching is the match between user vocabulary and the headings from Library of Congress Subject-Headings (LCSH) used in a library catalog. This paper evaluates previous matching studies, proposes a detailed list of matching categories, and tests LCSH in a study using these categories. Exact and partial match categories are defined for single LCSH and multiple LCSH matches to user expressions. One no-match category is included. Transaction logs from ORION, UCLA's online Information system, were used to collect user expressions for a comparison of LCSH and user language. Results show that single LCSH headings match user expressions exactly about 47% of the time; that single subject heading matches, including exact matches, comprise 74% of the total; that partial matches, to both single and multiple headings, comprise about 21% of the total; and that no match occurs 5% of the time.
    Footnote
    Simultaneously published as Subject Control in Online Catalogs
    Source
    Cataloging and classification quarterly. 10(1989) nos.1/2, S.37-63
  4. Frost, C.O.: Title words as entry vocabulary to LCSH : correlation between assigned LCSH terms and derived terms from titles in bibliographic records with implications for subject access in online catalogs (1989) 0.02 
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    Source
    Subject control in online catalogs. Ed.: R.P. Holley
  5. Dewar, M.: Restructuring the Library of Congress Subject Headings : Subject access and bibliographic instruction: two sides of the OPAC problem (1988) 0.02 
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  6. Taylor, A.G.: Authority files in online catalogs : an investigation of their value (1984) 0.02 
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    Abstract
    Authority control is discussed from two viewpoints: The need for bibliographic records relating to a name to be brought together under one form of the name; and the need for cross references to direct a user to a heading from variant forms of the name. Data from two research projects that support the need for choosing one form of name are summarized. The author's study of user requests that resulted in no "hits" in an online catalog is described. Data are given to show that for only 6.4% of these requests would our current methods of cross referencing in authority records have been helpful, and that two system programs would have given much greater assistance.
    Source
    Cataloging and classification quarterly. 4(1984) no.3, S.1-17
  7. Cochrane, P.A.: Improving LCSH for use in online catalogs : exercises for self-help with a selection of background readings (1986) 0.02 
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    LCSH
    Subject headings, Library of Congress / Problems, exercises, etc
    Subject cataloging / Problems, exercises, etc
    Online library catalogs / Subject access / Problems, exercises, etc
    Online bibliographic searching / Problems, exercises, etc
    Subject
    Subject headings, Library of Congress / Problems, exercises, etc
    Subject cataloging / Problems, exercises, etc
    Online library catalogs / Subject access / Problems, exercises, etc
    Online bibliographic searching / Problems, exercises, etc
  8. Lawrence, G.S.: System features for subject access in the online catalog (1985) 0.02 
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    Abstract
    Recent research shows that users of online catalogs find subject searching difficult, that characteristics of subject searches are qualitatively different from those of known-item searches, and that some design features of online catalogs appear to perform better than others for topical searching. It has been recommended that system designers develop different approaches, or interfaces, for different kinds of searching. This paper revies available design techniques from a subject searching perspective, including various methods of indexing bibliographic records, processing and correcting user input, searching the database, and displaying search results. The review concludes that there are many alternative approaches, each with strenghts and weaknesses, and combining techniques in new ways may have unknown results, but many promising methods are nonetheless available now to make more effective use of the subject information in current bibliographic records.
  9. Olsen, R.J.; Christensen, J.O.; Larsen, K.A.; Willey, K.: Implementing NOTIS keyword/Boolean searching : a case study (1989) 0.02 
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    Abstract
    Contribution to a thematic issue devoted to subject control in on-line catalogues. Keyword searching with Boolean operators was impossible in the traditional on-line catalogue and its promised benefits in on-line systems are not yet clear. Reports on a survey undertaken at Brigham Young University library, Utah, which investigated this issue when the library was selected as a test site for keyword searching in the NOTIS on-line catalogue. Results of the survey were mixed. While keyword searching will require increased computer capacity for unstricted use, students, though content with the new tool, are not adept at using its sophisticated features and will require much more training than for the basic NOTIS on-line catalogue.
    Footnote
    Simultaneously published as Subject Control in Online Catalogs
    Source
    Cataloging and classification quarterly. 10(1989) nos.1/2, S.125-140
  10. Porter, M.; Galpin, V.: Relevance feedback in a public access catalogue for a research library : Muscat at the Scott Polar Research Institute (1988) 0.02 
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    Abstract
    This paper reports on the successful introduction of a sophisticated online catalogue system at the library of the Scott Polar Research Institute, Cambridge, using the Muscat program package. The system provides to both end-users and library staff a choice between boolean searching on keywords and access using relevance feedback based on free text in English, mixed with UDC classification numbers. The system is implemented on an IBM 3084 computer. Significant benefits from the application of relevance feedback are reported with 10,000 records on file.
    Source
    Program. 22(1988), S.1-20
  11. Walker, S.: Improving subject access painlessly : recent work on the Okapi online catalogue projects (1988) 0.01 
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    Source
    Program. 22(1988), S.21-31
  12. Hunn, N.O.; Wright, J.A.: ¬The implementation of ACORN authority control at Vanderbilt University Library (1987) 0.01 
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    Abstract
    The implementation of our online integrated catalog ACORN at Vanderbilt University Library has been a complex and time-consuming task. The authority control component represents an important portion of the effort. The authority file consists of approximately one-half million name, subject, series, and uniform title headings, the majority of which were supplied to us by a vendor, Blackwell North America (BNA). Authority work has been integrated into our cataloging routine successfully, new headings are being added to our database daily, and extant headings are being validated online. This paper will cover a description of how Vanderbilt selected the Northwestern Online Total Integrated System (NOTIS); the ongoing editing of the authority file following the BNA processing; the interrelationship of Vanderbilt University Library's three processing units, General Technical Services (GTS), Medical Library, and Law Library apropos of the authority function; and some of the policies and procedures drawn up by the Authority Control Coordinator with the assistance of the other librarians in Monograph and Serial Services.
    Source
    Cataloging and classification quarterly. 8(1987) no.1, S.79-91
  13. Markey, K.: Searching and browsing the Library of Congress Classification schedules in an online catalogue (1986) 0.01 
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  14. Hildreth, C.R.: Intelligent interfaces and retrieval methods for subject searching in bibliographic retrieval systems (1989) 0.01 
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  15. Frost, C.O.; Dede, B.A.: Subject heading compatibility between LCSH and catalog files of a large research library : a suggested model for analysis (1988) 0.01 
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    Abstract
    Assigned topical and geographic subject headings from a sample of 3.814 bibliographic records in the University of Michigan Library's catalog were analyzed to determine the degree of match with LCSH, 10th edition and to idetify types of heading conflicts that lend themselves to automatic subject authority control. The findings showed a surprising degree of agreement: 44 percent of headings matched LCSH 10th completely. For headings without subdivisions, the match was 88,4 percent. Since 93,6 percent of the topical subdivisions that did not match LCSH were found on the free-floating lists, some consideration should be given to developing a machine-readable file of free-floating subdivisons for matching purposes.
  16. Goodstein, L.P.; Pejtersen, A.M.: ¬The Book House : System functionality and evaluation (1989) 0.01 
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    Footnote
    Rez. in: International Classification 18(1991) S. 233-235 (C. Beghtol)
  17. Lewis, D.W.: Research on the use of online catalogs and its implications for library practice (1987) 0.01 
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    Abstract
    Research on the use of online catalogs has challenged many assumptions about the behavior of library users. It has demonstrated that many of the patterns of behavior observed in the use of card catalogs were adaptions to the card technology; often behavioral patterns are different in an online environment. These studies have indicated that patrons prefer online catalogs and use them more, but they also show inadequacies in bibliographic practice, especially in the area of subject access.
  18. Mischo, W.H.; Lee, J.: End-user searching in bibliographic databases (1987) 0.01 
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    Abstract
    The growing interest in end user or direct patron access to on-line bibliographic databases is reviewed with references to online catalogues, databases, and CD-ROMs. The literature of end user searching is surveyed with notes on: user training, software search aids, end user services in libraries: characterisation of end user searches; the role of librarians; and CD-ROMs as end user media
    Source
    Annual review of information science and technology. 22(1987), S.227-263
  19. Dickson, J.: ¬An analysis of user errors in searching an online catalog (1984) 0.01 
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    Source
    Cataloging and classification quarterly. 4(1984) no.3, S.19-38
  20. Williamson, N.J.: Is there a catalog in your future? : Access to information in the year 2006 (1982) 0.01 
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    Footnote
    Vgl. auch: Howarth, L.C.: "Is there a catalog in your future?": Celebrating Nancy J. Williamson: Scholar, educator, colleague, mentor. In: Cataloging and classification quarterly. 48(2010) no.1, S.1-9.

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