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ANSI/NISO Z39.4-2021 Criteria for Indexes


This standard provides guidelines for the content, organization, and presentation of indexes used for the retrieval of documents and parts of documents. It deals with the principles of indexing regardless of the type of material indexed, the indexing method used, the medium of the index, or the method of presentation for searching. It emphasizes three processes essential for all indexes: comprehensive design, vocabulary management, and syntax.

An American National Standard
Developed by the National Information Standards Organization

Approved: July 12, 2021 by the American National Standards Institute

Published by the National Information Standards Organization
Baltimore, Maryland, U.S.A.

See the Z39.4 Criteria for Indexes Working Group page