Dewey update: what’s new with the DDC?Presentation at OLA SuperconferenceFebruary 28, 2010
Alison HitchensCataloguing & Metadata LibrarianUniversity of Waterloo Library
Introduction
•Why this session?▫DDC23 coming in 2011!
•Why update the DDC?▫To add new topics▫To clarify▫To modernize▫To internationalize
Sources
•Dewey blog▫ http://ddc.typepad.com/
•Dewey newsletters•Dewey new and changed entries
▫ http://www.oclc.org/dewey/updates/new/
•Discussion papers▫ http://www.oclc.org/dewey/discussion/
•Conference presentations▫ http://www.oclc.org/dewey/news/conferences/
default.htm
Agenda
•What changed 2003-2009•Looking forward: what changes are
coming•Dewey projects•Questions?
Types of changes:Staying currentFrom “including” to new numberComprehensive/Interdisciplinary worksSplitting conceptsGeographic areas
Updated treatment of terrorism363.325 Terrorism
Including cyberterrorism Class here bombing; terrorism and responses to
terrorism associated with a particular aspect of public safety; interdisciplinary works on terrorism
363.3251 Aspects of terrorism 363.3253 *Bioterrorism and chemical terrorism
363.3255 *Nuclear terrorism 363.3259 Specific targets of terrorism
Source: New and changed entries (Nov. 2005)
Political updates
971 *Canada 971.07 2000- 971.071 Later portion … of Jean Chretien, 2000-2003
971.072 Prime ministership of Paul Martin, 2003-2006
971.073 Prime ministership of Stephen Harper, 2006-
Source: WebDewey
In the news• 363.3494 Social problems
and services related to Tsunamis as disasters
Source: New and changed entries (Nov. 2005; Apr. 2008); WebDewey
Modern concepts & terminologyDigital microcomputers→004 Data processing→
Personal computers004 Computer science
Class here data processing…
1 2Source: New and changed entries (Nov. 2008)
1
Placement for current topics:
From “including” to new number
•Crohn disease (part of class here note)
•Asperger syndrome•Low-cholesterol diet*•Sodium-reduced diet*
*For information on diet-related changes, see the blog post “Diets for health” http://ddc.typepad.com/025431/2009/11/diets-for-health.html
Source: New and changed entries (Sept. 2004; Oct. 2004; Oct./Nov. 2009)
Comprehensive/Interdisciplinary works• 379.11 Support of public education
▫ Class here financial support; comprehensive works on financial support of education
• 613.71 Exercise and sports activities▫ Class here comprehensive works on care of physique and form
[formerly 646.75 ]; interdisciplinary works on aerobic exercise
• 362.19888 Abortion services▫ Class here interdisciplinary works [formerly 363.46 ]
• 663.2 Wine▫ Class here grape wine, comprehensive works on white and red
wine, comprehensive works on specific white and red wines
Sources: New and changed entries (Feb. 2005; Sept. 2007; Feb. 2008; Mar. 2008)
Splitting concepts
•Religious and political aspects of Islam•Clarified scope of pediatrics and
adolescent medicine•Many changes to Ethnic and language
groups in Tables 5 & 6
Religious & political aspects of Islam
320.557 Islamic fundamentalism
297.09 Historical, geographic, persons treatment
Class here comprehensive religious works on religious aspects of Islamic fundamentalism. Class political aspects of Islam in 320
Religious & political aspects of Islam
320.557 Islamic ideologiesClass here Islamic fundamentalism, Islamism
297.09 Historical, geographic, persons treatment
Class here religious aspects of Islamic fundamentalism. Class political aspects of Islam, of Islamic fundamentalism in 320
Source: New and changed entries (Mar. 2004)
Pediatrics vs. adolescent medicine615.5 Therapeutics
615.5083 Young peopleDo not use for therapeutics for infants and children up to puberty,
comprehensive works on child and adolescent therapeutics ; class in 615.542
615.50835 Young people twelve to twentyDo not use for therapeutics for young people twelve to
twenty who have not reached puberty ; class in 615.542 Class here therapeutics for adolescents
615.542 Pediatric therapeuticsClass here comprehensive works on child and adolescent
therapeutics
Source: New and changed entries (May 2009)
Ethnic and language groups example• Table 5 Ethic & National Groups
--9182 Serbs, Montenegrins, Croats, Bosnian Muslims
--9182 Serbs and Montenegrins--9183 Croats and Bosnians--91839 Bosnians
Class here peoples who speak, or whose ancestors spoke, Bosnian; Bosniaks; Bosnian Muslims; people of Bosnia and Hercegovina as a national group
For citizens of Bosnia and Hercegovina of other ethnic groups, see the ethnic group,
e.g. Croats --9183049742
Source: New and changed entries (Dec. 2004)
Geographic areas
• Example revisions:▫Åland Islands, Finland
received class here note▫Portugal expanded and
revised, replacing 18 entries
▫Reworked Indonesia▫Moved things around in
Sweden, BelgiumSource: New and changed entries (May 2005; July 2006;
Aug. 2006; June 2008)
3
Proposed changes:to educationto musicto personsto WebDewey
370 Education
•Goal: “to make the schedule a more useful general framework for the organization of education in a global context”
Source: Discussion paper , p. 1( “370 Education: Primary subjects and levels of education “ Jan. 2010)
Interdisciplinary approach to knowledge
372.19 Elementary education in subject areas
372.3 Computers, science, technology, health
372.3 Knowledge, computer science, library and information sciences, science, technologyIncluding discussion of ideas
from many fields, interdisciplinary approach to knowledge
Home and family management; Social skills
372.8 Other studies372.82 Home economics372.37 Personal health and safety; social
skillsIncluding comprehensive works on home and
family management. Class here life skills372.374 Social skills
Class here family life, interpersonal relationships
Language arts (372.6)
New note: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
Language arts
372.65 Foreign languages and bilingual instruction
372.65 Foreign, official, second languages; bilingual instruction
Languages other than the language given preference in 372.6
Subdivisions are added for all topics in heading together, for foreign languages alone, for official languages alone, for second languages alone
Elementary mathematics372.7 Mathematics
Including measurement
372.71 Algebra
372.72 ArithmeticClass here numeracy
372.76 Geometry
372.79 Probabilities and statistical mathematics
Civics and Social studies
372.83 Social studies372.832 Civics (Citizenship)372.83 Civics (Citizenship)372.89 History and geography
Class here comprehensive works on social studies; civilization
Levels of education372 Primary education (Elementary
education)
372.21 Pre-primary education
372.241 Lower level Grades 1-3
372.242 Intermediate levelGrades 4-6
(372.243 Upper level)Optional lower secondary education
Levels of education
373 Secondary education
373.236 Lower levelGrades above 6
372.248 Upper level Grades 10-12
378 Higher education (Tertiary education)
780 Music
Goal: address difficulties in the classification of contemporary music
Source: Discussion paper “Contemporary stylesof music” (Mar. 2009)
Folk or Pop? : new criteria
781.62 Folk MusicMusic originating within and associated
with an ethnic or national group Popular music that fits this scope note
should be classed in 781.62 unless there is already a number established (e.g. reggae)
Manual entry: if in doubt, prefer 781.62
Hybrid styles• Use the class-with-the-last
number policy• Addition of a new
subdivision (17) to express a second style at 781.63-781.69
• New number 781.657 Hybrid styles
E.g. folk-rock 781.661762781.66 (rock)+ 17
(hybrid) + 62 (folk)
4
Jackson Browne
Popular styles
•Instead of providing a multitude of new numbers or notes for styles not yet provided for, create relative index entries to guide the classifier:▫Cajun music 781.62410763▫Zydeco music 781.62410763▫Disco music 781.64▫Latin pop 781.6268
Persons
Terminology changes:
T1-08 Kinds of persons → T1-092 Persons treatment
→305 Social groups →Sources: Discussion paper & blog post (Aug. 2008);
presentation by Julianne Beall at ILFA 2008
Groups of peopleBiographyGroups of people
T1—08 New developmentsCurrent:
T1—081 Men
T1—082 Women
Proposed:
T1—081 People by gender or sexClass here gender
identity, gender role, sex role
T1—0811 Men
T1—082 Women
T1—08 New developments
T1—08656 People in partnerships and unionsClass here people in common-law marriages,
civil unions, de facto relationships, domestic partnerships, registered partnerships, unmarried couples living together
T1—0867 Transgender and intersex people
WebDewey re-design
Goals•Modern interface•Personalization•Local links
Source: presentation by Libbie Crawford at ALA Midwinter, Jan. 2010. Images used with permission.
New welcome screen
New Help Screen
New Results Screen
Classifying photosDewey.infoBISAC-DDC mappingsClassify
Classifying photographs
•Assign DDC to photographs in the World Digital Library (WDL)
•The captions from the Dewey summaries are shown as topics in the WDL▫Users can browse by topic▫Topics are multilingual
Source: presentation by Julianne Beall at IFLA, 2009
WDL (www.wdl.org)
Topics = DDC Summaries
Cathedral of St. Sophia (1568-70), with Belltower (1869-70), Southeast View, Vologda, Russia
Photographer: Brumfield, William Craft (1944-)
200 Religion280 Christian denominations281 Early church & Eastern
churches
700 Arts & recreation720 Architecture726 Buildings for religious purposes
Multilingual topics
Change language option:
Dewey.info• Present DDC data in a reusable way
▫ Linked data for the semantic web For machines For humans
• Start with the DDC summaries▫ Identify each class with a URI
• Potential applications:▫ Tell your users what “x” number means▫ Point to broader/narrower terms▫ Links for multilingual translation▫ Link to other vocabularies▫ Link Table 2 to FAST headings/Geonames
Source: presentation by Michael Panzer at ALA Midwinter, Jan. 2010
Dewey.info
Mapping DDC numbers to BISAC subject headings
083 04 372.7 ‡2 22 ‡5 OCoLC-D
083 04 510.712 ‡2 22 ‡5 OCoLC-D
150 EDUCATION ‡x Teaching Methods & Materials ‡x Mathematics
Source: presentation by Joan S. Mitchell at ALA Midwinter, Jan. 2010
Classify (http://classify.oclc.org/classify2/)
• Recommends classification based on FRBRization of WorldCat records
Classify
Questions?
A good place for Dewey news, tips & tricks is the Dewey blog (edited by Jonathan Furner, assistant editor of the DDC, with contributions from other
members of the Dewey editorial team):http://ddc.typepad.com/
Photo Credits1. http://www.flickr.com/photos/
wwward0/2858686786/ Photographer: William Ward
2. http://www.flickr.com/photos/pommesonkel/4255436386/
Photographer: Kartoffelmeister3. http://www.flickr.com/photos/pntphoto/
256961719/Photographer: Pavel Trebukov
4. http://www.flickr.com/photo/bigcif/3512572314Photographer: Renato Cifarelli
Book covers from Library Thing and ABE BooksSchool clip art by Philip Martin
SourcesBeall, Julianne, "Classifying photographs for the World Digital Library: draft guidelines." (PowerPoint
presentation presented at Dewey Translators Meeting, IFLA, Milan, Italy, August 25, 2009) http://www.oclc.org/dewey/news/conferences/BeallWDL.ppt (accessed February 14, 2010)
Beall, Julianne, "Updates to groups of people and literary periods." (PowerPoint presentation presented at Dewey Translators Meeting, IFLA, Quebec, Quebec, August 12, 2008) http://www.oclc.org/dewey/news/conferences/updates_3.ppt (accessed February 14, 2010)
"Contemporary styles of music," 025.431: The Dewey Blog. http://ddc.typepad.com/025431/2009/03/contemporary-styles-of-music.html (accessed February 14, 2010)
"Contemporary styles of music." Discussion paper, Mar. 2009. http://www.oclc.org/dewey/discussion/papers/contemporary_styles_of_music.pdf (accessed February 14, 2010)
Crawford, Libbie, "WebDewey 2.0: design of the new web version of the DDC." (PowerPoint presentation presented at ALA Annual, Chicago, Ill., July 11, 2009) http://www.oclc.org/DEWEY/news/conferences/WebDewey_relaunch.ppt (accessed February 14, 2010)
Sources"Dewey summaries as linked data," Dewey Web Services.
http://www.oclc.org/dewey/webservices/default.html (accessed February 14, 2010)
"Dewey summaries published as linked data," 025.431: The Dewey Blog. http://ddc.typepad.com/025431/2009/08/dewey-summaries-published-as-linked-data.html (accessed February 14, 2010)
"Groups of people in Table 1 and 305-306," 024.431: The Dewey Blog. http://ddc.typepad.com/025431/2008/08/since-late-2005.html (accessed February 14, 2010)
"Groups of People in Table 1 and 305–306: Draft Schedules and Proposed Implementation Plan." Discussion paper, August 1, 2008. http://www.oclc.org/dewey/discussion/papers/groupsofpeople.doc (accessed February 14, 2010)
Library Services Centre, "Special issue on DDC22," LSC Cataloguing Newsletter (July 2003). http://www.lsc.on.ca/content%5Cnlet0307.htm (accessed October 2008)
SourcesMitchell, Joan S. "370 education." (PowerPoint presentation presented at ALA
Midwinter, Boston, Mass., January 16, 2010) http://www.oclc.org/dewey/news/conferences/370_education.ppt (accessed February 14, 2010)
Mitchell, Joan S. "370 education: primary subjects and levels of education". Discussion paper, Jan. 14, 2010. http://www.oclc.org/dewey/discussion/papers/education_discussion_paper.pdf (accessed February 14, 2010)
Mitchell, Joan S. "BISAC-DDC mappings." (PowerPoint presentation presented at ALA Midwinter, Boston, Mass., January 16, 2010) http://www.oclc.org/dewey/news/conferences/bisac.ppt (accessed February 14, 2010)
Panzer, Michael, "Dewey.info update." (PowerPoint presentation presented at ALA Midwinter, Boston, Mass., January 16, 2010) http://www.oclc.org/dewey/news/conferences/dewey_info.ppt (accessed February 14, 2010)
