The Future of DDC Is Now! Uncovering the Mysteries of DDC 23 and Beyond

1. The Future of DDC Is Now! Uncovering the Mysteries of DDC 23 and Beyond ILF Conference 15 November 2011 Ft. Wayne, IN Joan S. Mitchell Editor in Chief, DDC OCLC mitchelj@oclc.org

2. Outline • Overview of DDC 23 • WebDewey 2.0 • The future is now: DDC 23 in the big picture

3. Overview of DDC 23

4. DDC 23: A few highlights • Major updates in religion (Islam and Orthodox Christianity), 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. DDC 23: Some themes and examples • Groups of people • Viewpoint • Digital trends • Types/styles • Structure

6. Groups of People

7. Groups of people (1) • “kinds of persons”  “groups of people” T1—08 Groups of people 305 Groups of people • “persons treatment”  “biography” T1—09 History, geographic treatment, biography Table 2 Geographic areas, historical periods, biography

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

9. 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

10. Viewpoint

11. 370 Education flickr.com/photos/crystiancruz/3390704159 by Crystian Cruz on Flickr

12. Generalize targeted areas in educationfrom an international viewpoint • Levels of education • Kinds of schools • Specific subjects in primary education • Policy issues in education

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

14. Levels of education (2) • 372.24 Specific 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 . . .

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

16. 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)

17. 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: 04 General topics • 041 Language 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 • 042 Place of subject in education • . . .

18. 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

19. / / Food and clothing flickr.com/photos/toremor/3503221311by tmorkemo on Flickr flickr.com/photos/30475026@N08/4506640923 by thepresidentwearsprada on Flickr

20. Cooking specific meals: DDC 22 • 641.52 Breakfasts • 641.53 Luncheons, lunches, brunches, teas, suppers • 641.532 Brunches • 641.534 Box and bag lunches • 641.536 Afternoon teas • 641.538 Suppers • Class evening meals that constitute the main meal of the day in 641.54 • 641.53 Snacks • Including elevenses • 641.54 Dinners

21. Cooking specific meals: DDC 23Breakfast, lunch, and dinner in global context • 641.52 First meal of the day • (brunches, breakfasts) • 641.53 Light meals • (snacks; dinners, lunches, suppers, teas as light meals) • 641.54 Main meal of the day • (dinners, lunches, suppers, teas as main meals)

22. Updates to clothing in 391/646/687 (1) • Terminology updated to match industry practice (e.g., activewear, loungewear, headwear) and geographic variations (e.g., pants [trousers]) • Relocations and expansions to support improved developments

23. Updates to clothing in 391/646/687 (2) 646.433 Suits . . . Pants (trousers) relocated to 646.436 . . . 646.436 Pants (Trousers) [formerly 646.433]

24. 796 Athletic and outdoor sports and games flickr.com/photos/henrik_larsson/269283033/in/set-72157594327694557 by henkeon Flickr

25. Generalize targeted sports from an international viewpoint • Guidelines for extensions to hockey plus summer and winter Olympic games: • The sport must be administered by an international federation that has been recognized by the IOC • The sport is widely practiced around the world (e.g., has a regularly scheduled major international tournament associated with the sport) • The sport has enough literary warrant in WorldCat

26. 796.96 Ice games: Ice hockey • 796.962 Ice hockey • 796.963 Bandy • Including rink bandy • 796.964 Curling • 796.965 Broomball • 796.966 Ringette • See also 796.356 for gym ringette, inline ringette

27. 796.96 Ice games: Freestyle skiing and snowboarding (1) • DDC 22: • 796.937 Freestyle skiing • Including ballet, mogul, trick skiing • 796.938 Snowboarding

28. 796.96 Ice games: Freestyle skiing and snowboarding (2) • DDC 23: • 796.937 Freestyle skiing • Including aerial and mogul skiing; ski cross • 796.938 Snowboarding • Including big air, halfpipe, slopestyle snowboarding; snowboard cross (boardercross), parallel giant slalom skiing • Class here alpine and freestyle snowboarding

29. Digital trends

30. Sorting out digital trends: 004.11-004.16 Digital computers • > 004.11-004.16 Digital computers Multifunctional digital devices are classed with their predominant function . . . a work that focuses on a specific function other than the predominant function is classed with the specific function

31. Sorting out digital trends: Digital photography (1) • [775] Digital photography • Use of this number for comprehensive works on digital photography discontinued; class in 770 • Preparation and manipulation of photographic digital images relocated to 771.44

32. Sorting out digital trends: Digital photography (2) • *Do not use notation 0285 from Table 1 for comprehensive works on digital photography; class in 770 and its subdivisions without use of notation 0285, e.g., digital trick photography 778.8; however, use subdivisions of notation 0285 for specific computer applications in photography, e.g., application of computer programs to digital trick photography 778.8028553. Do not use notation 092 from Table 1 for photographers; class in 770.92

33. Sorting out digital trends: Cinematography and videography (1) • 777 Cinematography and videography • . . . • Class here conventional cinematography (cinematography using film), digital cinematography and videography, amateur and professional cinematography and videography; home video systems, television photography, video art

34. Sorting out digital trends: Cinematography and videography (2) • †Do not use notation 0285 from Table 1 for comprehensive works on digital cinematography and videography; class in 777 and its subdivisions without use of notation 0285, e.g., digital trick videography 777.9; however, use subdivisions of notation 0285 for specific computer applications in cinematography and videography, e.g., application of computer programs to digital trick videography 777.9028553. Do not use notation 092 from Table 1 for photographers; class in 770.92

35. Types/styles

36. Specific types of personal computers: DDC 22 • 004.16 *Personal computers • Class here microcomputers; laptop, notebook, pen, portable, tablet, wearable computers; workstations; comprehensive works on midrange and personal computers  • *Use notation 019 from Table 1 as modified at 004.019

37. Specific types of personal computers: DDC 23 • 004.16 *Personal computers • . . . • Class here specific types of personal computers . . . • . . . • 004.167 *Handheld computing devices • . . . • Class here specific types of handheld computing devices • *Use notation 019 from Table 1 as modified at 004.019

38. Specific music styles (1) • DDC 22: • 781.66 †Rock (Rock ‘n’ roll) • Including acid, folk, hard, punk, soft rock • DDC 23: • 781.66 †Rock (Rock ‘n’ roll) • Class here specific rock styles • †Add as instructed under 781.63–781.69

39. Specific music styles (2) • Class here specific X styles added under: 781.642 †Country music 781.643 †Blues 781.644 †Soul 781.646 †Reggae 781.648 †Electronica 781.649 †Rap

40. Specific music styles (3) • 781.63-781.69 Other traditions of music • Add to each subdivision identified by † as follows: • . . . • 17 Hybrid styles • Fusion of two or more styles from different traditions of music to create a new style • Add to 17 the numbers following 781.6 in 781.62–781.69, e.g., fusion with folk music 172, folk rock 781.66172 • See Manual at 781.6: Hybrid styles • . . .

41. Structural changes Standard subdivisions Dual headings Unbalanced spans Data format

42. Identification of standard subdivisions • Revisions to internal tables under T1—08, T1—0901–0905, and T1—093–099 (not standard subdivisions) • Contents of table under T3B—1–8 moved to subdivisions of T3B—1 Poetry (standard subdivisions without initial 0) • New note highlighting special expansions under standard subdivisions

43. New note highlighting special expansions under standard subdivision notation • 401.4 Communication; semantics, pragmatics, languages for special purposes • Notation 014 from Table 1 as modified below • . . . • (similar entry also appears under T4—014)

44. 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

45. Dual headings: DDC 22 • 004–006 Data processing Computer science • 570 Life sciences Biology • 943 Central Europe Germany

46. Dual headings: DDC 23 • 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

47. Elimination of unbalanced spans:DDC 22 449 Occitan, Catalan, Franco-Provençal .01-.8 Subdivisions of Occitan, Langue d’oc .709449 Provençal dialect

48. Elimination of unbalanced spans:DDC 23 449 Occitan, Catalan, Franco-Provençal .01-.09 Standard subdivisions of Occitan, Langue d’oc .1-.8 Subdivisions of Occitan, Langue d’oc .709449 Provençal dialect

49. DDC data format • Moved to 4th generation Editorial Support System (ESS) developed at OCLC • Moved from proprietary internal format to MARC 21 classification and authority formats • Moved from proprietary XML distribution format to MARCXML + Semantic Web formats

50. Class record for 616.994 in ESS 4.0(MARC 21 Classification Format)