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?

What Changed 2003-2009Types of changes:

Staying currentFrom “including” to new numberComprehensive/Interdisciplinary worksSplitting conceptsGeographic areas

Updated treatment of terrorism

363.325 TerrorismIncluding 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 medicine

615.5 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, Belgium

Source: New and changed entries (May 2005; July 2006; Aug. 2006; June 2008)

3

Looking forward: what changes are comingProposed 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 skills

Including comprehensive works on home and family management. Class here life skills

372.374 Social skillsClass 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

Dewey projectsClassifying 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?

Contactahitchen@uwaterloo.ca

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 Ward2. http://www.flickr.com/photos/pommesonkel/

4255436386/ Photographer: Kartoffelmeister

3. 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)