Document (#28632)

Author

Ranganathan, S.R.

Title

Facet analysis: fundamental categories

Source

Theory of subject analysis: a sourcebook. Ed.: L.M. Chan, et al

Imprint

Littleton, CO : Libraries Unlimited

Year

1985

Pages

S.86-93

Abstract

Among the theorists in the field of subject analysis in the twentieth century, none has been more influential than S. R. Ranganathan (1892-1972) of India, a mathematician by training who turned to librarianship and made some of the most far-reaching contributions to the theory of librarianship in general and subject analysis in particular. Dissatisfied with both the Dewey Decimal Classification and the Universal Decimal Classification, Ranganathan set out to develop his own system. His Colon Classification was first published in 1933 and went through six editions; the seventh edition was in progress when Ranganathan died in 1972. In the course of developing the Colon Classification, Ranganathan formulated a body of classification theory which was published in numerous writings, of which the best known are Elements of Library Classification (1945; 3rd ed., 1962) and Prolegomena to Library Classification (1967). Among the principles Ranganathan established, the most powerful and influential are those relating to facet analysis. Ranganathan demonstrated that facet analysis (breaking down subjects into their component parts) and synthesis (recombining these parts to fit the documents) provide the most viable approach to representing the contents of documents. Although the idea and use of facets, though not always called by that name, have been present for a long time (for instance, in the Dewey Decimal Classification and Charles A. Cutter's Expansive Classification), Ranganathan was the person who systematized the ideas and established principles for them. For his Colon Classification, Ranganathan identified five fundamental categories: Personality (P), Material (M), Energy (E), Space (S) and Time (T) and the citation order PMEST based an the idea of decreasing concreteness.
The Colon Classification has not been widely adopted; however, the theory of facet analysis and synthesis Ranganathan developed has proved to be most influential. Although many theorists of subject analysis do not totally agree with his fundamental categories or citation order, Ranganathan's concept of facet analysis and synthesis has provided a viable method and a framework for approaching subject analysis and has become the foundation of subject analysis in the twentieth century. In this sense, his theory laid the groundwork for later investigations and inquiries into the nature of subject and classificatory categories and citation order. His influence is felt in all modern classification schemes and indexing systems. This is attested to by the citations to his ideas and works in numerous papers included in this collection and by the fact that other modern classification systems such as the Dewey Decimal Classification and the Bliss Bibliographic Classification have become increasingly faceted in recent editions. The following chapter from Elements of Library Classification represents one of Ranganathan's many expositions of facet analysis and fundamental categories. It is chosen because of its clarity of expression and comprehensibility (many readers find the majority of his writings difficult to understand).

Footnote

Nachdruck des Originalartikels mit Kommentierung durch die Herausgeber
Original in: Ranganathan, S.R.: Elements of library classification. 3rd ed. Bombay: Asia Publishing House 1962. S.82-89

Theme

Klassifikationstheorie: Elemente / Struktur
Geschichte der Klassifikationssysteme

Object

CC

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5. Khanna, J.K.: Analytico-synthetic classification : (a study in CC-7) (1994) 0.35

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