Assessing Co-Extensiveness and Inclusivity of Emerging Areas in Classification Schemes: A Study of DDC, UDC and CC

Authors

DOI:

https://doi.org/10.17821/srels/2026/v63i1/171628

Keywords:

Co-extensive Classification, Colon Classification, Dewey Decimal Classification, Library Classification, Universal Decimal Classification

Abstract

Schemes for Classification play an important role in structuring and mapping knowledge domains and facilitating effective information retrieval. As the information ecosystem evolves due to technological advancements and shifts in societal needs, the flexibility and inclusiveness of classification schemes become more pertinent. This research endeavours to assess the co-extensiveness and coverage of emerging areas in three prominent classification schemes, Dewey Decimal Classification (DDC), Universal Decimal Classification (UDC), and Colon Classification (CC). The study adopted a practical approach to meet its objectives. The findings highlight UDC as the most flexible and comprehensive system, excelling in representing complex and interdisciplinary subjects. The paper highlights the respective strengths and limitations of the schemes in representing emerging concepts.

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Published

2026-03-23

How to Cite

Agarwal, K., & Jaiswal, B. (2026). Assessing Co-Extensiveness and Inclusivity of Emerging Areas in Classification Schemes: A Study of DDC, UDC and CC. Journal of Information and Knowledge, 63(1), 43–58. https://doi.org/10.17821/srels/2026/v63i1/171628

Issue

Volume 63, Issue 1, February 2026

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Articles

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Copyright (c) 2026 Journal of Information and Knowledge

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