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universal decimal classification
UDC Headquarters, The Hague
universal decimal classification
UDC Origins - Répertoire bibliographique universel
Universal Decimal Classification
UDC is one of the most widely used classification
schemes for all fields of knowledge. It is used in
libraries, bibliographic, documentation and
information services in over 130 countries around
the world and is published in over 40 languages.
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Recent books on UDC
01/09/2025
Alenka Sauperl, Nina Jamar & Marija Kobal
Klasifikacija knjižničnega gradiva
[Classification of library collections]. New wikibooks edition. 2025 [Slovenian].
Antonietta Folino.
Alle origini della Classificazione Decimale Universale: la corrispondenza tra Paul Otlet e Melvil Dewey
[On the origins of Universal Decimal Classification: correspondence between Paul Otlet and Melvil Dewey]. Editrice Bibliographica, 2024 [Italian]
Article on Automatic assignment of UDC codes (IEEE Access)
12/12/2023
An interesting article entitled "A Hybrid Approach to Recommending Universal Decimal Classification Codes for Cataloguing in Slovenian Digital Libraries" by M. Borovic, M. Ojstersek and D. Strnad was published in
IEEE Access
Events
August
13
The 90th World Library and Information Congress (IFLA WLIC 2026) - "Libraries Powering Transformation"
Busan (South Korea)
August
17
International ISKO Conference 2026 "Transforming Knowledge Organization: Critical Approaches to Epistemological, Technological, and Cultural Change"
Sao Paolo (Brazil)
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