Unleashing the Power of the Dewey Decimal Classification ...Unleashing the Power of the Dewey...
Transcript of Unleashing the Power of the Dewey Decimal Classification ...Unleashing the Power of the Dewey...
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The world’s libraries. Connected.
Looking beyond Shelf
Location
Unleashing the Power of the Dewey Decimal Classification
Radical Opportunities, New Trends for Technical Services
Mohican 2012
Joan S. Mitchell
Editor in Chief, DDC
OCLC
@DeweyTeam
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The world’s libraries. Connected.
How can we exploit the rich Dewey ecosystem to
support organization and discovery beyond the
linear shelf?
The big question
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The world’s libraries. Connected.
The Dewey ecosystem
flickr.com/photos/disneyite/1506813031/ by Donna62 on Flickr
Linked data
DDC data
Categorized content
Translations
Mappings
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Outline
• Data in the ecosystem
• Data encoding and distribution
• Agents (human and machine) enhancing and
linking data + categorizing content
• Brainstorming session on the big question
(with a few examples to prime our
discussion)
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The world’s libraries. Connected.
DDC data +
translations +
mappings
Looking beyond Shelf Location:
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• 38,000+ explicit assignable numbers in schedules
• 12,000+ facets (building blocks from Tables 1-6 + internal add tables to be added to show languages, geographic areas, ethnic/national groups, genres, etc.)
• 100,000+ Relative Index terms
• 26,000+ mapped terms from LCSH, BISAC, and MeSH
DDC 23 EN data snapshot
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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 22 Family
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Arabic
DDC 23
(2013)
Italian
DDC 23
(2014)
Norwegian
DDC 23
(2013)
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
(2012)
French
DDC 23
(2013)
German
DDC 23
(2015)
DDC 23
2011
Portuguese
DDC 23
(2013)
Turkish
DDC 23
Icelandic
Mixed
DDC 23
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Mappings and crosswalks
DDC
LCSH
MeSH
GND
RAMEAU
SAB
BISAC SEARS
CSH
UDC
LCC
SAO
Nuovo Soggettario
AGROVOC
RVK
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The world’s libraries. Connected.
Data encoding and
distribution
Looking beyond Shelf Location:
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The world’s libraries. Connected.
Dewey data formats
Internal formats are enhanced versions of
• MARC 21 Classification Format
• MARC 21 Authority Format
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The world’s libraries. Connected.
Data encoding: MARC 21 Classification Format
Class record for 796.334
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The world’s libraries. Connected.
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
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The world’s libraries. Connected.
Data encoding: MARC 21 Authority Format
Relative Index record for “Soccer”
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The world’s libraries. Connected.
Data distribution formats
Two basic distribution formats:
• MARCXML
• RDF/SKOS (transform applied to MARCXML data)
Each distribution format has further end-user
transformations associated with it:
• MARCXML PDFs for print versions
• RDF/SKOS HTML for human-facing web services
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The world’s libraries. Connected.
Data distribution network
• Editorial Support System (ESS)
• Distribution server
• Translation software
• WebDewey
• Linked data services
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The world’s libraries. Connected.
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
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The world’s libraries. Connected.
796.334 Soccer (Association football)
WebDewey
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The world’s libraries. Connected.
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
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The world’s libraries. Connected.
796.334 Fotboll
Swedish WebDewey
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The world’s libraries. Connected.
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
Dewey distribution environment:
Linked data services
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The world’s libraries. Connected.
Dewey.info service: Top levels
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Dewey.info service: Full + abridged
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Dewey.info service: Geographic areas
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The world’s libraries. Connected.
Dewey.info service: RDF/SKOS
http://dewey.info/class/2--77129/about.rdf
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dewey.info/class/2--77129/about.rdf (excerpt)
. . .
<rdf:Description rdf:about="http://dewey.info/class/2--77129/e23/2012-08-01/">
<rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Thing"/>
<rdf:type rdf:resource="http://www.w3.org/2004/02/skos/core#Concept"/>
<xhv:license rdf:resource="http://creativecommons.org/licenses/by-nc-nd/3.0/"/>
<cc:attributionName>OCLC Online Computer Library Center, Inc.</cc:attributionName>
<cc:attributionURL rdf:resource="http://www.oclc.org/dewey/"/>
<dct:isVersionOf rdf:resource="http://dewey.info/class/2--77129/e23/"/>
<skos:notation rdf:datatype="http://dewey.info/schema-terms/Notation">277129</skos:notation>
<skos:notation rdf:datatype="http://dewey.info/schema-terms/Notation">T2--
77129</skos:notation>
<skos:inScheme rdf:resource="http://dewey.info/scheme/ddc/"/>
<skos:inScheme rdf:resource="http://dewey.info/scheme/translation/en/"/>
<skos:inScheme rdf:resource="http://dewey.info/scheme/edition/e23/"/>
<skos:inScheme rdf:resource="http://dewey.info/scheme/version/e23/2012-08-01/"/>
<skos:inScheme rdf:resource="http://dewey.info/scheme/table/2/e23/2012-08-01/"/>
<skos:prefLabel xml:lang="en">Ashland County</skos:prefLabel>
<skos:broader rdf:resource="http://dewey.info/class/2--7712/e23/2012-08-01/"/>
. . .
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The world’s libraries. Connected.
Agents
Looking beyond Shelf Location:
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The world’s libraries. Connected.
Agents in the Dewey ecosystem
ACOC Translation teams
ALA Mapping partners
CILIP Research partners
NIKKI National libraries
SABINET Subject experts
. . . Linked data services
European DDC Users’ Machine-assisted
Group (EDUG) application processes
LC & OCLC
DDC editorial team
Editorial Policy Committee
Dewey users around the world
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• Published 200 Religion Class, introduced 200 updates in WebDewey (including 297 expansion), and deployed virtual browser
• Updated T2—48 Scandinavia and Finland
• Added 800 new Relative Index terms and 6000 LCSH mappings (thank you, summer intern Violet Fox!)
• Improved segmentation to support abridged view in WebDewey and deployed new view
• Introduced data representation solutions to support upcoming number building assistant in WebDewey
• Extended DDC linked data
Some Dewey editorial team activities
(May-September 2012)
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The world’s libraries. Connected.
Example 1: Abridged View in WebDewey
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The world’s libraries. Connected.
Segmentation in Hierarchy + Browse results
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The world’s libraries. Connected.
2009 2010 2011 2012 2013
dewey.info
launched with
DDC Summaries
in 11 languages
Abridged Edition 14
in 3 languages
12th language
added to DDC
Summaries in
dewey.info
DDC 23 in
dewey.info (6/12)
Table 2 (8/12)
FAST +
GeoNames
DDC 23 facets
MSC
New data format
and distribution
environment
introduced for
Dewey data
New data format
and distribution
environment
extended to
dewey.info
British Library
DNB
FAO
BnF
DDC in LOD Cloud
WorldCat in
schema.org
(6/12)
Example 2: Dewey linked data timeline
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http://dewey.info/class/2--77157/about
Table 2 to GeoNames via FAST:
Columbus (Ohio) (T2—77157)
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The world’s libraries. Connected.
Columbus (Ohio) in FAST
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The world’s libraries. Connected.
Columbus (Ohio) in GeoNames
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The world’s libraries. Connected.
Example 3: MARC 21 format enhancements
DNB/LC/OCLC collaborative efforts to improve MARC
to support discovery and machine application:
• 083 Additional DDC Number
• 085 Synthesized Classification Number Components
• 883 Machine-generated Metadata Provenance
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883 Machine-generated Metadata Provenance (1)
082 00 $81\p$a829/.3$223
883 1# $81\p$aautodewey$d20120407$qDLC$c1
AutoDewey is a software program developed at LC that provides
assistance in assigning Dewey numbers in those places where LCC and
DDC are similar enough to facilitate mapping from LCC to DDC
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883 Machine-generated Metadata Provenance (2)
082 04 $81\p$a823.914$222$qOC0LC-D
883 0#$81\p$uhttp://classify.oclc.org/classify2/Classify
?isbn=0679442723&summary=true$d20120817
$qOCoLC-D$c0.9
Classify is an experimental classification web service developed by
OCLC Research
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The world’s libraries. Connected.
Classify: Machine-agent view (excerpt)
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The world’s libraries. Connected.
Classify: Human-agent view (excerpt)
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Example 4: Machine + human assignment in
BASE digital repository
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The world’s libraries. Connected.
BASE record: Computed DDC +
Correct DDC function
“Correct DDC” function
“Computed” label on DDC number
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The world’s libraries. Connected.
Example 5: User contribution
• User contribution / number building assistant
module coming in WebDewey in November 2012
• Supports quality construction of built numbers
• Supports underlying creation of formatted data
• Puts Dewey users in the distribution framework
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The world’s libraries. Connected.
User contribution / number building (1)
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The world’s libraries. Connected.
User contribution / number building (2)
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The world’s libraries. Connected.
User contribution / number building (3)
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The world’s libraries. Connected.
User contribution / number building (4)
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The world’s libraries. Connected.
User contribution / number building (5)
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The world’s libraries. Connected.
User contribution / number building (6)
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The world’s libraries. Connected.
Underlying MARC fields
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The world’s libraries. Connected.
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
Dewey distribution environment:
Users in the mix
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The world’s libraries. Connected.
Brainstorming
Looking beyond Shelf Location:
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The world’s libraries. Connected.
How can we exploit the rich Dewey ecosystem to
support organization and discovery beyond the
linear shelf?
Return to the big question
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The world’s libraries. Connected.
How the [Google] mission has evolved
Search Contextualization
. . .
Crawling Sense-making
. . .
English text All Languages
text/voice/video
John Blossom, A Fresh Look at Google: What’s New and What’s Changing, NFAIS webinar, 26 September 2012
A thought to set the stage
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The world’s libraries. Connected.
Some examples
• Enhancements to physical discovery
• Alternative views in virtual discovery
• Linked data
• Enhancing and mining WorldCat data
• . . . (ideas from brainstorming)
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The world’s libraries. Connected.
Physical discovery:
Using BISAC mappings to add context
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The world’s libraries. Connected.
Physical + virtual discovery:
Using translations to provide multilingual access
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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
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The world’s libraries. Connected.
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
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The world’s libraries. Connected.
Virtual discovery:
Alternative view of 200 Religion
• Foster collaboration and interoperability between
DDC and UDC
• Provide a framework for DDC’s 200 Religion
schedule that does not privilege a single religion
McIlwaine, Ia, and Joan S. Mitchell. 2006. The New Ecumenism: Exploration of a
DDC/UDC View of Religion. In Knowledge Organization for a Global Learning
Society: Proceedings of the 9th International ISKO Conference, 4-7 July 2006,
Vienna, Austria, edited by Gerhard Budin, Christian Swertz, and Konstantin
Mitgutsch, p. 323-330. Würzberg: Ergon.
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The world’s libraries. Connected.
DDC: Bible and specific religions
201.42 Prehistoric religions
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
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The world’s libraries. Connected.
Class 2 in UDC
2 Religion. Theology
21 Prehistoric religions
22 Religions of Far East origin
23 Religions originating in Indian subcontinent
24 Buddhism
25 Religions of antiquity. Minor cults and religions
26 Judaism
27 Christianity
28 Islam
29 Modern spiritual movements
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The world’s libraries. Connected.
220-290 Bible and specific religions:
Virtual browser
http://www.oclc.org/dewey/versions/religion/religion.htm
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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The world’s libraries. Connected.
Linked data: Caption service (1)
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The world’s libraries. Connected.
Linked data: Caption service (2)
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The world’s libraries. Connected.
Exploiting A15 and DDC 23 +
Linked caption service (1)
Use brief number from Abridged Edition 15 for shelving:
616.99 (Tumors and miscellaneous communicable diseases)
Store specific DDC 23 numbers in records, e.g.,
616.99/4
616.99/41
616.99/412
616.99/418
616.99/419
Then deliver captions from dewey.info and subarrange virtually:
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The world’s libraries. Connected.
Exploiting A15 and DDC 23 +
Linked caption service (2)
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The world’s libraries. Connected.
Linked data: Exploiting the links for virtual
discovery
http://sws.geonames.org/4509177/
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The world’s libraries. Connected.
dewey.info data.nytimes.com
http://dewey.info/class/2--77157/about
If DDC and NYT are linked to the
same geographic entity in GeoNames, then
GeoNames
http://sws.geonames.org/4509177/
http://data.nytimes.com/N2179016634514166281
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The world’s libraries. Connected.
dewey.info data.nytimes.com
http://dewey.info/class/2--77157/about
. . . a virtual link could be made between the
DDC and NYT categories, and
GeoNames
http://sws.geonames.org/4509177/
http://data.nytimes.com/N2179016634514166281
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The world’s libraries. Connected.
. . . our DDC-GeoNames link could then support
virtual organization and discovery
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The world’s libraries. Connected.
How can we exploit the rich Dewey ecosystem to
support organization and discovery beyond the
linear shelf?
Brainstorming: Your turn!
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The world’s libraries. Connected.
DDC 23 www.oclc.org/us/en/dewey/versions/print/
WebDewey 2.0 http://dewey.org/webdewey
Abridged Edition 15 www.oclc.org/us/en/dewey/versions/abridged/
200 Religion Class www.oclc.org/us/en/dewey/versions/religion/
dewey.info http://dewey.info
Dewey webinars & presentations www.oclc.org/us/en/dewey/news/conferences/
025.431:The Dewey blog http://ddc.typepad.com
Updates www.oclc.org/us/en/dewey/updates/ddc23/
Classify http://classify.oclc.org/classify2/
BASE http://www.base-search.net/Browse/Dewey
Questions? [email protected] (Dewey Editorial Office)
[email protected] (licensing, group purchases, LIS program)
Useful Dewey Links