Search (1583 results, page 80 of 80)

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Abstract

Offers a personal look back at the origins and early use of associative search techniques, and also a look forward at more theoretical approaches to the document retrieval problems. The purpose is to contrast the following 2 different ways of improving system performance: appending associative search techniques to more or less standard (conventional) document retrieval systems; and designing document retrieval systems based on more fundamental and appropriate principles namely probabilistic design principles. Very recent work on probabilistic approaches to the document retrieval problem has provided a new (and rare) unification of 2 previously competing models. In light of this, argues that if we had to choose the best way to improve performance of a document retrieval system, it would be wiser to implement, test, and evaluate this new unified model, rather than to continue to use associative techniques which are coupled to conventionally designed retrieval systems

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Abstract

Improving access to music materials is an area of concern to people working with those materials. The increase in publications, coupled with the use of computer technology has created a need for efficient bibliographic control, and improved indexing, using a controlled vocabulary wich is both logical and easily manipulated. The Library of Congress Subject Headings (LCSH) are unsatisfactory and there is a need for standard vocabulary of music and music literature. The Music Thesaurus Project Working Group concludes that any thesaurus for music should be constructed according to accept standards; be capable of accomodating different indexing grammars; should support both pre- and post-coordinate use; and be compatible with LCSH. The establishment of a major thesaurus project requires grat resources, both human and financial, and should not be plannend without the cooperation of relevant organisations.

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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.