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Core classification theory: a reply to Szostak

Birger Hjørland (Royal School of Libray and Information Science, Copenhagen, Denmark)

Journal of Documentation

ISSN: 0022-0418

Article publication date: 25 April 2008




The purpose of this paper is to provide an answer to a critique put forward by Szostak against a paper written by the present author.


The paper is based on a literature‐based conceptual analysis based on Hjørland and Nissen Pedersen and Szostak. The main points in a core theory of classification are outlined and Szostak's criticism is examined and answered.


The paper demonstrates theoretical differences between the views adduced by Hjørland and Nissen Pedersen on the one side and by Szostak on the other.

Practical implications

Theoretical clarification is important for the future development of the field.


The paper should be seen as one among others developing an argument for a theoretical foundation of classification informed by the theory of knowledge.



Hjørland, B. (2008), "Core classification theory: a reply to Szostak", Journal of Documentation, Vol. 64 No. 3, pp. 333-342.



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Copyright © 2008, Emerald Group Publishing Limited

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