DDC 23: An Overview - OCLC · DDC 23: An Overview The slides in this presentation may be reused in...
Transcript of DDC 23: An Overview - OCLC · DDC 23: An Overview The slides in this presentation may be reused in...
DDC 23 Workshop
12 August 2011
UMET
Joan S. Mitchell Editor in Chief, DDC OCLC [email protected]
DDC 23: An Overview
The slides in this presentation may be reused in accordance with the Creative Commons Attribution-NonCommercial 3.0 Unported License.
DDC 23 is ©2011 OCLC Online Computer Library Center, Inc. All copyright rights in previous editions of the Dewey Decimal Classification system are owned by OCLC. DDC, Dewey, Dewey Decimal Classification and WebDewey are registered trademarks/service marks of OCLC.
DDC 23 Workshop: Outcomes
• Understand key changes in DDC 23
• Understand the reasons behind the changes
• Understand the role of the user in shaping DDC 23
• Understand different representations of the DDC
• Learn about DDC research activities
• Understand DDC 23 in the context of the Dewey ecosystem
Outline
• Major updates: Tables
• Major updates: Schedules
• Structural changes
• Behind the scenes: Publication of DDC 23
• DDC 23 in the big picture
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
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
Groups of people (3)
• Ripple effect of changes throughout DDC 23, especially for groups of people in 155, 305–306, 331, and 362
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
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)
Tables 1-6: Selected additional updates
• Table 1: Notation for topics in communication, green technology, research
• Table 2: Ancient and modern world
• Table 3: T3C—3 Arts and literature
• Table 5: Updates for selected peoples, e.g., T5—9457 Sámi
• Table 6: Updates for selected languages, e.g., T6—9457 Sámi
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
155 Differential and developmental psychology: New add table applied to various groups of people 155 Differential and developmental psychology
2 Sensory perception, movement, emotions, psychological drives
. . .
3 Conscious mental processes and intelligence
. . .
8 Individual, evolutionary, environmental psychology
. . .
9 Applied psychology
. . .
Updates to clothing in 391/646/687 (1)
• Terminology updated to match industry practice (e.g., activewear, loungewear, headwear) and geographic variations (e.g., vests [undergarments])
• Relocations and expansions to support improved developments
Updates to clothing in 391/646/687 (2)
646.433 Suits
. . .
Pants (trousers) relocated to 646.436
. . .
646.436 Pants (Trousers) [formerly 646.433]
Geographic variations in languages: Regularized and expanded (1)
447[.1-.8] Geographic variations in parts of France
Relocated to 447.9441-447.9448
Geographic variations in languages: Regularized and expanded (2)
447.94-.98 Geographic variations in specific continents, countries, localities in modern world
Add to base number 447.9 notation 4-9 from Table 2, e.g., geographic variations in parts of France 447.9441-447.9448 [formerly 447.1-447.8], geographic variations in France 447.944, dialects of Quebec 447.9714, Haitian Creole 447.97294
511.3 Mathematical logic (Symbolic logic): Expansion 511.314 Modal logic
Including alethic, deontic, dynamic, epistemic, provability, temporal logic; possible worlds
511.317 Conditional logic
Including counterfactuals
511.318 Probabilistic logic
See also 161 for induction; also 519.2 for applied mathematical probabilities
Relocation and expansion for Trans-Neptunian objects and Pluto
523.49 Trans-Neptunian objects [formerly 523.48]
523.492 Kuiper belt objects
523.492 2 *Pluto [formerly 523.482]
523.494 Scattered disk objects
523.497 Oort cloud objects
616.0835 Adolescent medicine vs. 618.92 Pediatrics
616.008 3 Young people
Do not use for diseases of infants and children up to puberty, comprehensive works on child and adolescent medicine; class in 618.92
616.008 35 Young people twelve to twenty
Do not use for diseases of young people twelve to twenty who have not reached puberty; class in 618.92
Class here adolescent medicine
Breakfast, 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)
810 American literature in English
PERIOD TABLE FOR AMERICAN LITERATURE IN ENGLISH
1 Colonial period, 1607-1176
2 1776-1829
3 1830-1861
. . .
(OPTIONAL PERIOD TABLE FOR AMERICAN LITERATURE IN ENGLISH
(For Canada
(3 Colonial period to 1867 in Canada
. . .
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
Dual headings: DDC 22
004–006 Data processing Computer science
570 Life sciences Biology
943 Central Europe Germany
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
Elimination of unbalanced spans: DDC 22
449 Occitan, Catalan, Franco-Provençal
.01-.8 Subdivisions of Occitan, Langue d’oc
.709449 Provençal dialect
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
Behind the scenes
• Moved from proprietary format to MARCXML
• 4th generation Editorial Support System (ESS)
• WebDewey 2.0
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
The Dewey ecosystem
flickr.com/photos/disneyite/1506813031/ by Donna62 on Flickr
Linked data
DDC data
Categorized content
Translations
Mappings
Some Useful Links
DDC 23 oclc.org/us/en/info/ddc23
DDC 23 workshop registration.oclc.org/reg/?pc=DDC23IFLAwkshp
DDC 23 webinar http://tinyurl.com/3cyqn7q
WebDewey 2.0 http://dewey.org/webdewey
dewey.info http://dewey.info
DeweyBrowser oclc.org/research/researchworks/ddc/browser.htm
Classify classify.oclc.org/classify2
025.431: The Dewey blog
http://ddc.typepad.com
Questions? [email protected] (Dewey Editorial Office) [email protected] (Licensing, group purchases, LIS program)
Picture credits for slide 23
Clockwise from upper left:
flickr.com/photos/ndalls/420996573 by Notre Dame Architecture Library on Flickr
flickr.com/photos/dubblethinkdesign/3579519738 by craig.keeling on Flickr
flickr.com/photos/henrik_larsson/269283033/in/set-72157594327694557 by henke on Flickr
flickr.com/photos/75905404@N00/2056494616 by OZinOH on Flickr
flickr.com/photos/crystiancruz/3390704159 by Crystian Cruz on Flickr
flickr.com/photos/jonathanziapour/3126336204 by Jonathan Ziapour on Flickr