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Mechanization of Library Procedures in the Medium-sized Medical Library: X. Uniqueness of Compression Codes for Bibliographic Retrieval *

By Mary Jordan Coe

Abstract

Two-word compression techniques, the University of Chicago experimental search code and a phonetic code similar to the SOUNDEX coding system, were tested as search codes on a data base of 7,464 bibliographic records. These codes were automatically generated and tested for uniqueness. A modified version of the University of Chicago search code produced the best results with a uniqueness factor of 98.83 percent. The algorithms for generating these codes are explained, and implication of the findings for medium-sized libraries are discussed

Topics: Articles
Year: 1970
OAI identifier: oai:pubmedcentral.nih.gov:197512
Provided by: PubMed Central
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