Overview of the latest extensions and corrections to the UDC (2014—2015)

Abstract

This article deals with the latest extensions and corrections to the Universal Decimal Classification (UDC) (2014—2015) developed by the UDC Consortium, the owner of the international standard UDC version in English.
 It has been analyzed that the UDC tables have added a lot of new classes, many classes have been corrected and some classes have been cancelled.
 It is estimated that the total number of modified classes includes 2000 new entries, 3000 corrected entries and 700 cancelled entries.
 New classes are provided with their description, scope notes, application notes, examples of combination and references.
 The description of corrected classes has been extended / clarified, scope notes and application notes have been amended, new examples of combination and references have been presented.
 The content of cancelled classes has been replaced to other entries and some classes have been cancelled as spare or unnecessary ones.
 Through regular introduction of extensions and corrections to the UDC tables one can ensure their updating and improvement according to world changes, events and phenomena. They all are displayed in the UDC system respectively.
 Scientific editing of Ukrainian UDC version, introduction of acceptable, well-established and standard concepts and terminology harmonization provide an opportunity for system improvement with a view to meeting UDC users' information retrieval needs.