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UBC
SLAIS Colloquium
14 March 2012
Joan S. Mitchell Editor in Chief, DDC
OCLC
The Dewey Ecosystem
The Dewey ecosystem
flickr.com/photos/disneyite/1506813031/ by Donna62 on Flickr
Linked data
DDC data
Categorized content
Translations
Mappings
Outline
• What data do we have?
• How do we encode the data?
• How do we distribute the data?
• What are some projects we’re working on right now?
• How can we exploit the Dewey ecosystem to support
discovery?
200
Religion
Class
Full
edition
data
Abridged
edition
data
DDC
Summaries
Dewey English-language data
“Edition” data file view
French
DDC 22
German
DDC 22
Italian
DDC 22 Swedish
Mixed
DDC 22
Italian
A14
Vietnamese
A14 French
A14
Spanish A14 Hebrew
A14
200
Religion
Class
Guide
(French)
DDC 22
A14
DDC Sach-
Gruppen
(German)
DDC
Summaries
English
French
Italian
Rhaeto-
Romansch
Afrikaans
Arabic
Chinese
French
German
Norwegian
Portuguese
Russian
Scots Gaelic
Spanish
Swedish
DDC translations:
Anatomy of an edition
Arabic
DDC 23
(2012)
Italian
DDC 23 Norwegian
DDC 23
(2012)
Swedish
Mixed
DDC 23
2012
Indonesian
A15
(2012)
200
Religion
Class
(2012)
Guide
(French)
(2012)
A15
2012
DDC
Summaries
(2011)
Afrikaans
Arabic
Chinese
French
German
Norwegian
Portuguese
Russian
Scots Gaelic
Spanish
Swedish
. . .
(2012)
DDC 23 Family
Vietnamese
DDC 23
(2013)
French
DDC 23
German
DDC 23
DDC 23
2011
Portuguese
DDC 23
(2013)
Translations
Language-independent representation
Kos & drank
641 食品 & 饮品
Food & drink
Nourriture et boisson
Interoperability
DDC 22 (English) DDC 22 (Italian)
T2—4547 Ravenna province T2—4547 Provincia di Ravenna
T2—45471 Ravenna T2—45471 Comune di Ravenna
T2—45472 Cervia
T2—45473 Ovest della provincia di Ravenna
T2—454732 Alfonsine
T2—454734 Lugo
T2—454735 Bagnacavallo
T2—454736 Russi
T2—45474 Sud della provincia di Ravenna
T2—454742 Faenza
T2—454743 Brisighella
T2—454744 Riolo Terme
T2—4548 Forlì-Cesena province and Rimini
province
T2—4548 Province di Forlì-Cesena e Rimini
Localization
027 Government libraries
027.53-027.59 Specific institutions
Add to base number 027.5 notation 3-9
from Table 2 for area served, e.g., . . .
Language Example DDC number
English Library of Congress 027.573
Italian Biblioteca nazionale centrale di Firenze 027.545
Norwegian Nasjonalbiblioteket i Norge 027.5481
Mappings and crosswalks
DDC
LCSH
MeSH
SWD
RAMEAU
SAB
BISAC SEARS
CSH
UDC
LCC
SAO
Nuovo
Soggettario
AGROVOC
Data encoding: MARC 21 Classification Format
Class record for 796.334
Data encoding: MARC 21 Classification Format
Class record for 796.334
750 #7 $a Soccer
$0(OCoLC-D)och00114729
$2 ddcri $9 as=AP $9 ps=PE
Data encoding: MARC 21 Authority Format
Relative Index record for “Soccer”
Data distribution formats
Two basic distribution formats:
• MARCXML
• RDF/SKOS
Each distribution format has further end-user
transformations associated with it, e.g., MARCXML PDFs
for print versions
Data distribution network
• Editorial Support System (ESS)
• Distribution Server
• Translation Software
• WebDewey
• Linked Data Services
DDC distribution model (excerpt):
ESS data Distribution server WebDewey
DISTRIBUTION
SERVER
ESS OCLC
WebDewey
OCLC
EN
WebDewey
Swedish
mixed EN/SV
WebDewey
Italian
IT
WebDewey
German
DE
WebDewey
French
FR
WebDewey
Norwegian
NO
.
.
.
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
796.334 Soccer (Association football)
WebDewey
ESS Distribution server Translation system
Distribution server Swedish WebDewey
DISTRIBUTION
SERVER
ESS OCLC
WebDewey
OCLC
EN
WebDewey
Swedish
mixed EN/SV
WebDewey
Italian
IT
WebDewey
German
DE
WebDewey
French
FR
WebDewey
Norwegian
NO
.
.
.
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
796.334 Fotboll
Swedish WebDewey
Path to linked data web services
(http://dewey.info)
DISTRIBUTION
SERVER
ESS OCLC
WebDewey
OCLC
EN
WebDewey
Swedish
mixed EN/SV
WebDewey
Italian
IT
WebDewey
German
DE
WebDewey
French
FR
WebDewey
Norwegian
NO
.
.
.
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
Linked
DDC Web
Services
Linked Open Data Cloud
http://richard.cyganiak.de/2007/10/lod/
Linked Open Data Cloud: DDC
DDC
Linked data in dewey.info:
Assignable numbers from Abridged Edition 14
http://dewey.info/class/305.895/a14/about
Linked data in dewey.info:
Machine representation in RDF/SKOS
http://dewey.info/class/305.895/a14/about.rdf
Some projects we’re working on right now
• Extensions to linked DDC data services
• Islamic law
• Provenance of metadata
• “Abridged” view of WebDewey
• Relationships in the DDC
• Modeling DDC using general conceptual models (FRSAD
and FRBR)
• User contribution / number building assistant
User contribution / number building assistant
• Parses add notes and other instructions to guide the user
• In the background, constructs a MARC class record with
765 (Synthesized number components) fields
• Helps the user in adding index terms to a saved or
predefined built number
• In the background, constructs a MARC authority record for
every user-generated RI term
• Submission path back to the worldwide Dewey community
MARC
LDR nw###n##
001 ocd00168684
003 [institution symbol]
005 20110326173550.0
008 100204aaaaaabb
040 ## $a [institution symbol] $b eng $c [institution symbol]
084 0# $a ddc $c 23 $e eng
153 ## $a 796.522092 $e 796.522
765 0# $b 796.522 $z 1 $s 092 $u 796.522092
750 #7 $a Mountain climbing $x biography
750 #0 $a Mountaineering $x biography
MARC view
LDR nz###n##
001 och00082430
003 [institution symbol]
005 20101115221022.0
008 100206|||a|z||||||##########||#a||#####d
040 ## $a [institution symbol] $b eng $c [institution symbol] $d [institution symbol]
$f [subject heading MARC code]
083 04 $a 796.522092 $0 (OCoLC-D)ocd00168684 $2 23
$5 [institution symbol] $9 as=PR $9 ps=EO $9 cts=2010-11-15T22:10:22Z
150 ## $a Mountaineering $x biography
MARC view
Users WebDewey
Distribution Server Language host review
Redistribution
DISTRIBUTION
SERVER
ESS OCLC
WebDewey
OCLC
EN
WebDewey
Swedish
mixed EN/SV
WebDewey
Italian
IT
WebDewey
German
DE
WebDewey
French
FR
WebDewey
Norwegian
NO
.
.
.
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
EN Users
WebDewey
DE Users
WebDewey
NO Users
WebDewey
SV Users
What are some opportunities to support
discovery?
• Enhanced physical discovery
• Enhanced physical + virtual discovery
• Virtual discovery: Hierarchical browser
• Virtual discovery: Exploiting additional numbers + facets
• Virtual discovery: Alternative viewpoint
Physical discovery:
Using BISAC mappings to add context
Physical + virtual discovery:
Using translations to provide multilingual
access
Virtual discovery: Hierarchical browser
WebDeweySearch (DNB, KB, Nat’l Lib. Norway)
Virtual discovery:
Exploiting additional numbers
Leckere Suppen und Einto ̈pfe
082 04 $a 641.823 $q DE-101 $2 22/ger
083 0# $a 641.813 $q DE-101 $2 22/ger
641.823 Stews
641.813 Soups
Virtual discovery:
Exploiting facets
Das Highlander-Kochbuch
082 04 $8 1\x $a 641.594115 $q DE-101 $2 22/ger
085 ## $8 1\x $b 641.59
085 ## $8 1\x $z 2 $s 4115
641.593-.599 Cooking characteristic of specific continents,
countries, localities
T2—4115 Highland
Virtual discovery: Alternative viewpoint
220 Bible
230-280 Christianity
290 Other religions
292 Classical religion (Greek and Roman)
293 Germanic religion
294 Religions of Indic origin
295 Zoroastrianism
296 Judaism
297 Islam, Babism, Bahai Faith
299 Religions not provided for elsewhere
Dewey Religion Browser (1) A chronological/regional view of specific religions in Dewey
Dewey Religion Browser (2) A chronological/regional view of specific religions in Dewey
Expansion of
“Religions of East and Southeast Asian Origin”
Launch search of Taoism (dd:299.514) using
WorldCat.org API
The Dewey ecosystem
flickr.com/photos/disneyite/1506813031/ by Donna62 on Flickr
Linked data
DDC data
Categorized content
Translations
Mappings
Thank You!
Questions? Comments? Ideas?
Some useful links
DDC 23 http://www.oclc.org/us/en/dewey/versions/print/default.htm
Abridged Edition 15 http://www.oclc.org/us/en/dewey/versions/abridged/default.htm
WebDewey 2.0 http://dewey.org/webdewey
dewey.info http://dewey.info
Dewey webinars &
presentations
http://www.oclc.org/us/en/dewey/news/conferences/default.htm
025.431:
The Dewey blog
http://ddc.typepad.com
Classify http://classify.oclc.org/classify2/
Questions? [email protected] (Dewey Editorial Office)
[email protected] (Licensing, group purchases, LIS program)