universal decimal classification
UDC Headquarters, The Hague
New! UDC MRF12
UDC Master Reference File
universal decimal classification
a classification scheme for all fields of knowledge
New! Extensions & Corrections to the UDC
double issue 36-37
universal decimal classification
UDC Headquarters - Koninklijke Bibliotheek, The Hague
universal decimal classification
a classification scheme for all fields of knowledge
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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UDC Consortium
The UDCC is a non-profit association of publishers
established to maintain, develop and distribute the
UDC for the benefit of its users. Apart from its strategic,
managerial and promotional responsibilities, the UDCC
also appoints an editorial team and advisory board to
oversee the content of the scheme and contribute to
its regular revision in order to reflect new knowledge.
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News
Polish UDC Online released
03/01/2020
Polish UDC Online "Polska UKD Online" was released for public use on 16 December 2019. This is the first complete online edition in the Polish language. It is published in collaboration between the National Library of Poland and the UDC Consortium. Polska UKD is available free of charge to all libraries and other information institutions in Poland.
Serbian UDC Online released
02/12/2019
Serbian UDC Online "Srpski UDK Onlajn" has now been released. This is the first complete online edition in the Serbian language, prepared and published as a collaboration between the National Library of Serbia and the UDC Consortium. Srpski UDK Onlajn is available for free to Serbian librarians and other information professionals.
Events
May
31
ESWC 2020 - European Semantic Web Conference
Heraklion, Crete (Greece)
July
06
Aalborg (Denmark)
August
15
August
16
