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  E-mail Message: I thought you might be interested in this item at http://www.worldcat.org/oclc/54424062 Title: Feasibility of a computer-generated subject validation file based on frequency of occurrence of assigned LC subject headings Author: Lois Mai Chan; Diane Vizine-Goetz Publisher: [Dublin, Ohio : OCLC, 1996] OCLC:54424062

  
  

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Subjects

• Subject headings, Library of Congress.
• Authority files (Information retrieval)

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Feasibility of a computer-generated subject validation file based on frequency of occurrence of assigned LC subject headings

Author:	Lois Mai Chan; Diane Vizine-Goetz
Publisher:	[Dublin, Ohio : OCLC, 1996]
Edition/Format:	Book : Document  Computer File : EnglishView all editions and formats
Summary:	The library community has long recognized the need for, and potential usefulness of, a subject heading validation file. This project explores the feasibility of automatically creating such a file through scans of the Online Union Catalog (OLUC), given certain restraints. First, the file would not be exhaustive, but would instead contain the majority of the most used headings. Second, the predicted level of errors in the file should be low. Thus, the project focuses on finding the density and distribution of assigned headings, and the relationship, if it exists, between density and error rate.  Read more...
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