Subject Classification Practice
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Book Details
- Publisher: Ess Ess Publication
- ISBN: 8190095773
- Year of Publication: 2004
- Language: English
- Binding: Paperback
About the Book
This specialized work explores the Postulational Approach to Subject Classification, a methodology pioneered by S. R. Ranganathan for the systematic analysis, synthesis, and representation of subjects in library classification and indexing systems. Based on the principles outlined in Dr. Ranganathan's influential paper Subject Heading and Facet Analysis, the book demonstrates how subjects can be precisely identified and represented through a structured combination of basic subjects, facets, isolates, speciators, and qualifiers.
The authors, Dr. M. A. Gopinath and Alar Mel Mangai, provide a detailed explanation of the theoretical foundations of the Postulational Approach and illustrate its practical application through numerous examples and exercises. The methodology enables the accurate verbal expression of complex subjects, which can then be translated into classification numbers using major classification systems such as Colon Classification (CC), Dewey Decimal Classification (DDC), and Universal Decimal Classification (UDC).
The book also highlights the importance of subject analysis in generating systematic indexing tools, including Chain Indexing, POPSI, PRECIS, and KWAC. By linking classification theory with practical cataloguing and indexing techniques, it offers readers a comprehensive understanding of knowledge organization and information retrieval.
Although many examples are drawn from printed documents, the principles and techniques discussed are equally applicable to digital resources and other information media, making the book highly relevant in contemporary information environments.
An essential resource for Library and Information Science students, classification specialists, cataloguers, indexing professionals, researchers, teachers of classification, and anyone interested in facet analysis and subject representation.

