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

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

DDC 23 is here!

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

Case study: 370 Education

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

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

Levels of education (2) Specific levels of primary education Lower level Class here grades 1– Intermediate level Former heading: Upper level Class here grades 4– (.243) Upper level (Optional number; prefer ) Class here lower secondary level...

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

Specific subjects in primary education (1) 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 ) 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 )

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

Policy issues in education –.1289 Support by specific regional intergovernmental organizations Add to base number the numbers following in , e.g., support by European Union

Case study: Groups of people

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

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

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 , not Women

Case study: Dual headings

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

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

DDC 23: More details DDC 23 webinar 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) The Future of DDC is Now!: Uncovering the Mysteries of DDC 23 (15 November, Fort Wayne, IN) 1-ilf-annual-conference/ 1-ilf-annual-conference/ Stay tuned for additional webinars

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

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

Class record for in DDC 23 (print)

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

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

Excerpt from Relative Index in DDC 23 (print)

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......

DDC 23 record for in WebDewey 2.0

Linked BISAC record

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

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

Translations

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

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

Swedish case study: Class record for in ESS 4.0

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......

Swedish case study: WebDewey (SV)

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

Linked data in dewey.info (1)

Linked data in dewey.info (2)

Linked data in dewey.info (3)

What we’re working on right now Chronological / regional view of 200 Religion Update of 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

Bible and specific religions 220 Bible 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

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

Bible and specific religions (1) Prehistoric religions Religions of East and Southeast Asian origin Religions of Indic origin 294 Religions of antiquity Religions originating among Black Africans Religions of North and South American native origin Religions of other ethnic origin

Bible and specific religions (2) Bible 220 Judaism 296 Christianity Islam 297 Babism and Baha'i Faith Modern spiritual movements

What we’re working on right now Chronological / regional view of 200 Religion Update of 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

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/classify : The Dewey blog (Dewey Editorial Office) (Licensing, group purchases, LIS program)