1. ALCTS CCS Subject Analysis Committee 27 June 2011 Joan S. Mitchell Editor in Chief, DDC OCLC mitchelj@oclc.org mitchelj@oclc.org DDC 23 in Context

2. DDC 23 in Context: Outline Brief overview of DDC 23 Three case studies: education, groups of people, dual headings How did we get here? Dewey value proposition Dewey ecosystem What we’re working on now

3. DDC 23 is here!

4. DDC 23: A few highlights Major updates in religion, law, education, food and clothing, graphic arts, cinematography and videography, ancient and modern world Overhaul of groups of people )A host of new numbers (e.g., bullying, cloud computing, end of Mubārak administration) Structural changes to support machine display and retrieval, and classifier efficiency

5. Case study: 370 Education

6. 370 Education Generalize from an international viewpoint: Levels of education Kinds of schools Specific subjects in primary education Policy issues in education

7. Levels of education (1) 372 Primary education (Elementary education) 373 Secondary education 374 Adult education 378 Higher education (Tertiary education)

8. Levels of education (2) 372.24Specific levels of primary education 372.241 Lower level Class here grades 1–3 372.242 Intermediate level Former heading: Upper level Class here grades 4–6... 372(.243) Upper level (Optional number; prefer 373.236) Class here lower secondary level...

9. Kinds of schools 371.05Public schools distinguished by source of funding, locus of control, and mandate [formerly 371.01] Class here academy schools, charter schools

10. Specific subjects in primary education (1) 372.6 Language arts (Communication skills) New option in English-language edition: (Option: Class here language arts (communication skills) in a language other than English; in that case, class language arts (communication skills) in English in 372.6521) New option in German-language edition: (Option: Hier auch Sprachkompetenz (Kommunikationsfertigkeiten) in einer anderen Sprache als Deutsch; klassifiziere in diesem Fall Sprachkompetenz (Kommunikationsfertigkeiten) in Deutsch in 372.6531)

11. Specific subjects in primary education (2) 372.652–.659 Specific foreign, official, second languages Subdivisions are added for any or all topics in heading Add to base number 372.65 notation 2–9 from Table 6, e.g., Spanish 372.6561, English as a second language 372.6521; then add further as instructed under 372.3-372.8, e.g., methods of teaching Spanish 372.6561044 follows: 04General topics 041Language arts in foreign, official, second languages Add to 041 the notation following 372.6 in 372.61-372.64, e.g., Spanish composition 372.656104123 042Place of subject in education...

12. Policy issues in education 379.1282–.1289 Support by specific regional intergovernmental organizations Add to base number 379.128 the numbers following 341.24 in 341.242-341.249, e.g., support by European Union 379.12822

13. Case study: Groups of people

14. Groups of people (1) “kinds of persons”  “groups of people” T1—08Groups of people 305Groups of people “persons treatment”  “biography” T1—09History, geographic treatment, biography Table 2 Geographic Areas, Historical Periods, Biography

15. Groups of people (2) T1—081People by gender or sex T1—0811Men T1—0865People by marital status T1—0867Transgender and intersex people T1—0925–0928New numbers for collected biography of groups of people

16. Groups of people (3) Ripple effect of changes throughout DDC 23, especially for groups of people in 155, 305–306, 331, and 362 Reversal in preference order in 302–307 to topic/group, e.g., friendship in women 302.34082, not 305.4 Women

17. Case study: Dual headings

18. Dual headings: Definition A heading with two separate terms, the first of which is the main topic and the second of which is the major subordinate topic, e.g., 570 Life sciences Biology Main topic and major subordinate topic share the same number and most of the subdivisions

19. Elimination of dual headings 004–006Computer science 004–006Data processing Computer science 570Biology 570Life sciences Biology 943Germany and neighboring central European countries 943Central Europe Germany

20. DDC 23: More details DDC 23 webinar http://tinyurl.com/3cyqn7qhttp://tinyurl.com/3cyqn7q DDC 23 Workshop at IFLA (12 August, San Juan, PR) registration.oclc.org/reg/?pc=DDC23IFLAwkshp registration.oclc.org/reg/?pc=DDC23IFLAwkshp What’s New with DDC and What Do I Need to Know (9 September, Schaumberg, IL) http://www.laconi.net/tech/programs/ http://www.laconi.net/tech/programs/ The Future of DDC is Now!: Uncovering the Mysteries of DDC 23 (15 November, Fort Wayne, IN) http://www.ilfonline.org/events/2011/11/14/general/201 1-ilf-annual-conference/ http://www.ilfonline.org/events/2011/11/14/general/201 1-ilf-annual-conference/ Stay tuned for additional webinars

21. How did we get here? Moved from proprietary format to MARCXML Moved to 4 th generation Editorial Support System (ESS) developed at OCLC Implemented new distribution model

22. Class record for 004.36 in ESS 4.0 (MARC 21 Classification Format)

23. Class record for 004.36 in DDC 23 (print)

24. Class record for 004.36 in ESS 4.0 (MARC 21 Classification Format) 750 #7 $a Distributed processing $0 (OCoLC-D)och00038935 $2 ddcri $9 as=AP $9 ps=PE

25. Relative Index record for “Distributed processing” in ESS 4.0 (MARC 21 Authority Format)

26. Excerpt from Relative Index in DDC 23 (print)

27. DDC distribution model DISTRIBUTION SERVER ESS OCLC Translation Software German EN/DE Translation Software Italian EN/IT Translation Software French EN/FR Translation Software Arabic EN/AR Translation Software Norwegian EN/NO Translation Software Swedish EN/SV WebDewey OCLC EN WebDewey Swedish mixed EN/SV WebDewey IItalian IT WebDewey German DE WebDewey French FR WebDewey Norwegian NO......

28. DDC 23 record for 004.36 in WebDewey 2.0

29. Linked BISAC record

30. Dewey value proposition Language-independent representation Interoperable translations Mappings and crosswalks Large amount of categorized content Organizational support Worldwide user community

31. The Dewey ecosystem flickr.com/photos/disneyite/1506813031/flickr.com/photos/disneyite/1506813031/ by Donna62 on FlickrDonna62 Linked data DDC data Categorized content Translations Mappings

32. Translations

33. Registry of DDC Editions: MARC 21 Examples Number assigned by Deutsche Nationalbibliothek using German translation of DDC 22: 082 04 $a 839.82374 $2 22/ger$q DE-101 Number assigned by Swedish library using WebDewey (SV): 082 04 $a 839.82374 $2 22/swe $q [assigning agency] Number assigned by Norwegian library using DDK 5: 082 74 $a 839.82 $2 5/nor $q [assigning agency]

34. Mappings and crosswalks DDC LCSH MeSH SWD RAMEAU SAB BISAC SEARS CSH UDC LCC SAO Nuovo Soggettario

35. Swedish case study: Class record for 746.92 in ESS 4.0

36. Swedish case study: ESS  Distribution server  Translation system  Distribution server  WebDewey (SV) DISTRIBUTION SERVER ESS OCLC Translation Software German EN/DE Translation Software Italian EN/IT Translation Software French EN/FR Translation Software Arabic EN/AR Translation Software Norwegian EN/NO Translation Software Swedish EN/SV WebDewey OCLC EN WebDewey Swedish mixed EN/SV WebDewey IItalian IT WebDewey German DE WebDewey French FR WebDewey Norwegian NO......

37. Swedish case study: WebDewey (SV)

38. Linked Data Web Services DISTRIBUTION SERVER ESS OCLC Translation Software German EN/DE Translation Software Italian EN/IT Translation Software French EN/FR Translation Software Arabic EN/AR Translation Software Norwegian EN/NO Translation Software Swedish EN/SV WebDewey OCLC EN WebDewey Swedish mixed EN/SV WebDewey IItalian IIIT WebDewey German DE WebDewey French FR WebDewey Norwegian NO... Linked DDC Data Web Services

39. Linked data in dewey.info (1) http://dewey.info/class/005/about

40. Linked data in dewey.info (2) http://dewey.info/class/305.895/a14/about

41. Linked data in dewey.info (3) http://dewey.info/class/305.895/a14/about.rdf

42. What we’re working on right now Chronological / regional view of 200 Religion Update of 297.1-297.8 Islam Machine-assisted abridgment of DDC 23 to produce Abridged Edition 15 Relationships in the DDC (notational hierarchy, see-also references, Semantic Web representations) Modeling DDC using FRSAD Number building assistance / user contribution in WebDewey 2.0 Extensions to linked DDC data services

43. 220-290 Bible and specific religions 220 Bible 230-280 Christianity 290Other religions 292 Classical religion (Greek and Roman) 293Germanic religion 294 Religions of Indic origin 295 Zoroastrianism 296 Judaism 297 Islam, Babism, Bahai Faith 299Religions not provided for elsewhere

44. 220-290 Bible and specific religions > 220-290 Bible and specific religions Option: To provide a chronological/regional arrangement for the Bible and specific religions use the optional arrangement of 220-290 given in appendix A

45. 220-290 Bible and specific religions (1) Prehistoric religions 201.42 Religions of East and Southeast Asian origin 299.5 Religions of Indic origin 294 Religions of antiquity Religions originating among Black Africans 299.6 Religions of North and South American native origin 299.7-299.8 Religions of other ethnic origin 299.92

46. 220-290 Bible and specific religions (2) Bible 220 Judaism 296 Christianity 230-280 Islam 297 Babism and Baha'i Faith 297.9 Modern spiritual movements 299.93

47. What we’re working on right now Chronological / regional view of 200 Religion Update of 297.1-297.8 Islam Machine-assisted abridgment of DDC 23 to produce Abridged Edition 15 Relationships in the DDC (notational hierarchy, see-also references, Semantic Web representations) Modeling DDC using FRSAD Number building assistance / user contribution in WebDewey 2.0 Extensions to linked DDC data services

48. Some Useful Links DDC 23oclc.org/us/en/info/ddc23 DDC 23 workshopsregistration.oclc.org/reg/?pc=DDC23IFLAwkshp DDC 23 webinarhttp://tinyurl.com/3cyqn7q WebDewey 2.0http://dewey.org/webdewey dewey.infohttp://dewey.info DeweyBrowseroclc.org/research/researchworks/ddc/browser.htm Classifyclassify.oclc.org/classify2 025.431: The Dewey blog http://ddc.typepad.com Questions?dewey@loc.gov dewey@loc.gov (Dewey Editorial Office) dewey@oclc.org dewey@oclc.org (Licensing, group purchases, LIS program)