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Dewey Decimal Classification 23ªEd

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Autor/Editora: OCLC
Ano:                 2015
volumes:          04 Vols 

DDC 23rd Edition

  1. 1. DDC 23th EditionDDC 23th Edition && It's Salient FeaturesIt's Salient Features (Presented by) Murchana Borah Milisha D'silva
  2. 2. ContentContent ● Introduction ● History of DDC ● Meaning of DDC - Structure - Division - Tables - Ten Main Classes - Notation - Principle of Hierarchy ● DDC 23th Edition ● Structure ● Features ● Future
  3. 3. IntroductionIntroduction ● The 1st edition of DDC-devised by Melvil Dewey- came in 1876. ● The publication of a 42-pages pamphlet entitled 'A classification and subject index for cataloging and arranging the books and pamphlets of a library' ● The first edition was consisted of; - 12 pages of preparatory matter, - 12 pages of tables, and - 18 pages of index ● It contained nearly 1000 classes.
  4. 4. HistoryHistory ● DDC was conceived by Melvil Dewey in 1873. ● It was first published in 1876. ● It is published in full and abridged edition by OCLC. ● OCLC owns all copyrigts in the DDC and licenses the system for a variety of uses. ● It is most widely used classification system in the world. ● Translated into over thirty languages. ● Its greatest strenght is that system is developed and maintained in a national bibliographic agency, the library of congress.
  5. 5. Meaning of DDCMeaning of DDC ● DDC is the knowledge classification scheme where in subjects are divided into ten main classes (numbered 000-999 i.e Generalities to History and Geography), and subdivisions within a particular subject are indicated by decimals. ● Arrangement is done as per discipline. ● Useful to organise knowledge in any form. ● Facilitates browsing
  6. 6. Structure of DDCStructure of DDC ● Presented in DDC summeries in the begning of volume 2. ➔ First summary: ten main classes ➔ Second summary: hundred divisions ➔ Third summary: thousand sections
  7. 7. Division of DDCDivision of DDC ● Volume 1 : Tables and manual. ● Volume 2 : summaries and Schedules ( 000-500). ● Volume 3 : Schedules (600-900). ● Volume 4 : Relative Index.
  8. 8. TablesTables ● T1- Standard Subdivisions ● T2- Geographic Areas, Historical Periods, Biography ● T3- Subdivisions for the Arts, for Individual literatures, for specific literary forms ➢ T3A- Subdivisions for works by or about individual authors ➢ T3B- subdivisions for works by or about more then one author ➢ T3C- Notation to added where instructed in T3B ● T4- Subdivisions for Individual Language and Language families ● T5- Ethnic and National Groups ● T6- Languages
  9. 9. Ten Main ClassesTen Main Classes ● 000- General works, computer science and information ● 100- Philosophy and psychology ● 200- Religion ● 300- Social Science ● 400- Language ● 500- Science ● 600- Technology ● 700- Arts and Recreation ● 800- Literature ● 900- History and Geography
  10. 10. NotationNotation ● Arabic numbers are used to represent each class in DDC. ● It gives both the unique meaning of class and its relation to other classes. ● Uses convention that no number should have fewer than three digits; zeros are used to fill out numbers ● Decimal Point or dot.
  11. 11. Principle of Hierarchy Principle of Hierarchy  ● Structural hierarchy: all topics are part of all the broader topics above them ● Notational Hierarchy: expressed by lenght of notation.
  12. 12. DDC 23th EditionDDC 23th Edition ● The 23rd edition of DDC was released in May 2011; ● It is the product of a new approach to development of print editions of the Dewey Decimal Classification. ● It was prepared in the context of the web; ● By-product of the underlying database;instead of as the sole focus of editorial development.
  13. 13. FeaturesFeatures Overall features of DDC 23th edition includes: ➢ Representation of groups of people; ➢ Revisions to several standard subdivisions; ➢ Updates throughout the tables and schedules; ➢ Structural changes; ➢ New editorial support system; ➢ Different data format; ➢ New data distribution mode.
  14. 14. STRUCTURAL CHANGESSTRUCTURAL CHANGES 1. Elimination of dual headings 004–006 Computer science 004–006 Data processing Computer science 570 Biology 570 Life sciences Biology 943 Germany and neighboring central European countries 943 Central Europe Germany
  15. 15. Continue...Continue... 2. No unbalanced spans in the schedules and tables 305.805–.809 and 305.81–.89. 305.805–.89 Specific ethnic and national groups
  16. 16. DATA  REPRESENTATIONDATA  REPRESENTATION 1.Editorial Support System (ESS), 2010 2.MARCXML Format First,from proprietary format to MARC 21 formats for Classification and Authority data. Second, representation from the internal MARC formats to a MARCXMl representation 3. WebDewey 2.0
  17. 17. WebDewey 2.0
  18. 18. GROUPS OF PEOPLEGROUPS OF PEOPLE 1. “Kinds of persons” to “Groups of people” T1—08 Groups of people 305 Groups of people 2.“Persons treatment” to “Biography” T1—09 History, geographic treatment, biography Table 2 Geographic areas, historical periods, biography
  19. 19. Continue...Continue... 3. Consistent use of “people” against “persons”. For example: In Related Index, “Person” = Person (Legal concept) Persons (Individuals) People The index term for groups of people in general is “People”; the general index term for individuals is “Persons (Individuals).” 4. Ripple effect of changes throughout DDC 23, especially for groups of people in 155, 305–306, 331, and 362
  20. 20. STANDARD SUBDIVISIONSSTANDARD SUBDIVISIONS 1. Note “Notation 0X from Table 1 as modified below” - to highlighting special expansions under standard subdivisions Ex- 401.4 Communication; semantics, pragmatics, languages for special purposes Notation 014 from Table 1 as modified below 2. Special provisions; not Standard Subdivision - an added note appears under the 'special provision' if addition in parallel to the standard Table 1 provision is desired. Ex- Revision to internal table under T1—08, T1—0901– 0905, and T1—093–099
  21. 21. Continue...Continue... 3. Standard subdivisions without initial 0 Ex: Contents of table under T3B—1–8 moved to subdivisions of T3B—1 Poetry
  22. 22. UPDATES : TABLESUPDATES : TABLES ● Table 2: Significant expansion in Ancient world,Italy, Switzerland, Sweden, Finland, Turkey, Indonesia, Vietnam, and Canada ● Table 3C: Significant expansion in —3 Arts and literature—3 Arts and literature dealing with specific themes and subjects that draws the notation in closer alignment with parallel subjects in 001–999 ● Table 4: Special expansion under —014 Communication; semantics, pragmatics, languages for special purposes ● Tables 5 and 6: Featured expansions for peoples and languages, respectively.
  23. 23. UPDATES : SCHEDULESUPDATES : SCHEDULES ● 000 Computer science, information & general works > 004.11-004.16 Digital computers ● 100 Psychology and Philosophy 155 Differential and development psychology 160 & 513 Logic and Symbolic logic ● 200 Religion 281.9 Orthodox church 297 Islam
  24. 24. ● 300 Social sciences 371.05 Public schools distinguished by source of funding,locus of control, and mandate 390 Provision for food and clothing in Customs, etiquette, folklore ● 400 Language 427[.1–.8] Geographic variations in parts of England 427.94-.99 Geographic variations in specific continents, countries, localities in modern world ● 500 Science 511.314 Modal logic 511.317 Conditional logic 511.318 Probabilistic logic
  25. 25. ● 600 Technology 690 “Buildings” → “Construction of buildings” 690.3 Special topics of buildings 690.4 Specific parts of buildings ● 700 Art and Creation 741.5 Comic books, graphic novels, fotonovelas,cartoons, caricatures, comic strips 777 Cinematography and Videography ● 800 Literature 808.025 Plagiarism 808.03 Specific elements of rhetoric ● 900 History and Geography 909.83 21st century, 2000–2099 930 History of ancient world to ca. 499
  26. 26. FutureFuture ● The next edition, i.e., DDC-24 is likely to be published in 2018 to continue the changes hinted in DDC-23 ● As evinced by the two previous editions the DDC is moving towards internationalisation by gradually removing White, Anglo- Saxon and Protestant (WASP) bias ● Facet structure is becoming transparent with a capability to hold together many facets in a single class number. ● Efforts have been made to design and market many Dewey products, such as bookmarks, AV teaching kit, Guides to the full, abridged and electronic versions of the DDC, and Dewey posters and exclusive publication of three main summaries.
  27. 27. ● Research is going on to find wider applications of the DDC in all sorts of information management. ● Organise information on the internet. ● Some of the question currently addressed to the DDC are: - How can the classification be made more effective for classifiers? - How a standard English language classification be built that also meets the needs of international users? - How to make DDC more effective in OPACs? - How can the classification be made more useful for the end-users? - What can be done to make the DDC constantly relevant in the future?
  28. 28. ReferencesReferences ● Contributors. (2012). Expansions from DDC 22 to DDC 23. Retrieved September 30, 2015, from http://ddc.typepad.com/025431/2012/02/expansions-from-ddc-22-to-ddc-23.ht ml ● Mitchell, J. S. (2011). DDC 23: An Overview. Retrieved September 30, 2015, from http://webcache.googleusercontent.com/search?q=cache:wtN1SScPqXcJ:www.u nivie.ac.at/voeb/fileadmin/Dateien/Kommissionen/Sacherschliessung/DDC23 _Overview_-_Mitchell.pdf+&cd=5&hl=en&ct=clnk&gl=in&client=ubuntu ● K, S. (2013). Short Notes about DDC. Retrieved September 30, 2015, from http://newonlinelibrary.blogspot.in/2013/07/short-notes-about-ddc.html ● New Features in Edition 23. (2011). Retrieved September 30, 2015, from http://webcache.googleusercontent.com/search?q=cache:5TO7OfY4ebgJ:https: //www.oclc.org/content/dam/oclc/dewey/versions/print/new_features.pdf+&c d=2&hl=en&ct=clnk&gl=in&client=ubuntu
  29. 29. ● Dewey Decimal Classification - FAQ. (n.d.). Retrieved September 30, 2015, from http://staff.oclc.org/~dewey/dewey.htm ● Australia, E. S. (n.d.). Dewey Decimal Classification - edition 23. Retrieved from http://www2.curriculum.edu.au/scis/connections/issue_79_2011/articles/dewey _decimal_classification_-_edition_23.html

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