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.
UDC Books and Schedules
 
News
International UDC Seminar 2013 Registration Open
14/05/2013
Early bird registration is now open for the Classification & Visualization - UDC Seminar 2013 which takes place in The Hague on 24-15 October. To learn more about conference programme and to register go to the conference website
International UDC Seminar 2013 - Programme published
25/03/2013
The International UDC Seminar 2013 programme committee has made a selection of 20 talks on the topics of relationships and interplay between knowledge classification and visualization