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D

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Content

Since E&C is celebrating its 10th year of publication, it is interesting to look at the recent changes taking place in comparison with the tables in the International Medium Edition, 2"d Edition, English Text, the last printed edition published in 1993. Indeed in 2004 UDC is a very different system than it was in 1993. A sample of revisions carried out since the year 2000 bear this out and exemplify a number of important trends. In general, there has been much greater use of faceted structure signifying a definite move in the direction of a fully faceted system. Particularly significant is the completely revised and restructured class "2 Religion. Theology" (E&C 2000, 21-116) in which faceting has been used to eliminate the previous bias toward the Christian religion. In a number of cases, whole classes and disciplines are being replaced. In other situations, while the structure remains the same, there is detailed editing and massive expansion. A Gase in point is the major overhaul of the Auxiliary Table le Common Auxiliaries of Place. Begun in 1999, this is a work still in progress. Expansion includes muck subdivision into various political divisions and the use of lengthy "including" notes to spell out subdivisions where individual class numbers are deemed unnecessary. In other instances there is the deletion of some tables and classes and their replacement by new structures. Noteworthy is the cancellation of Table li Common Auxiliaries of Point of View (E&C 2001, 134-138) and the relocation of those topics in Table lk-02 Common Auxiliaries of Properties (E&C 1999, 133-141) and the development of Table 1k-04 Systematic Auxiliaries of Relations Processes and Operations (E&C 2002 Proposal, 32-35). The introduction of new and updated terminology and the inclusion of new topics is particularly evident. For example in Class 5 (E&C 2002, 120) one can find such new topics as: 574.1 Biodiversity, 575.11 The Genome. Genomics and 575.112 Bioinformatics. In Class 6, particularly noteworthy is the addition of the new multidisciplinary topic 60 Biotechnology (E&C 2002, 120-124) that "embraces aspects of many other disciplines and demands a synthetic style of classification". Several definitions and a detailed explanation, together with supporting sources are given. Included are such topics as 602.6 Genetic engineering, 602.7 Cloning, and 608.1 Bioethics. An example of complete relocation of a topic can be found in Class 65 Management and organization of industry, trade and communication (E&C 2002, 126-129) has been removed and its contents relocated, chiefly in 005. Many more examples Gould be given but these are sufficient to indicate that UDC is gradually becoming a completely new system.