oclc research oclc online computer library center academic library association of ohio, technical...
TRANSCRIPT
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OCLC ResearchOCLC Online Computer Library Center
Academic Library Association of Ohio, Technical Services IG19 May 2006OHIONET, Columbus, Ohio
Web Services for [Controlled] Vocabularies
Diane Vizine-Goetz
OCLC Research
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OCLC ResearchOCLC Online Computer Library Center
Controlled Vocabulary
– a limited set of terms that must be used to index | represent | tag the subject matter | content of documents | objects.
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OCLC ResearchOCLC Online Computer Library Center
Examples
Lists of “approved” words or phrases
Thesauri
Subject heading systems
Classification schemes
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OCLC ResearchOCLC Online Computer Library Center
Vocabularies Research Projects
Terminologies Project
Project team: Diane Vizine-Goetz, Carol Hickey, Andrew Houghton, Tram Nguyen-Pham, Roger Thompson
Classify Prototype
Project team: Diane Vizine-Goetz & Harry Wagner
Tag Clouds Service
Project team: Diane Vizine-Goetz & Harry Wagner
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OCLC ResearchOCLC Online Computer Library Center
Terminologies Project
Provides access to enriched versions of controlled vocabularies (CVs)
Uses Web services to interact with vocabularies (machine-friendly)
Services provided through the Microsoft® Office (MS) Research task pane
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TerminologyServices
Architecture
Web ServiceProxy
SRW/U REST SOAP
BrowserSidebar
Metadata Editing Application
•Registration•Query handling•Markup translation•Authorization/Authentication
Mic
ros
oft
Off
ice
Re
se
arc
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Pa
ne
Full Text SQL XML
1
2
3
Storage Technology Layer
Application Protocol Layer
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OCLC ResearchOCLC Online Computer Library Center
Benefits
Provides access to multiple CVs through one user-friendly interface
Can search one vocabulary at a time or all vocabularies together
Users can insert controlled vocabulary terms into records with MARC coding or as text strings
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OCLC ResearchOCLC Online Computer Library Center
Available mid-2006
Dublin Core Metadata Initiative Type Vocabulary
Guidelines on Subject Access to Individual Works of Fiction, Drama, etc. (GSAFD) list of form/genre headings
Thesaurus of Graphic Materials (TGM I)
Thesaurus of Graphic Materials (TGM II)
Medical Subject Headings (MeSH)
Newspaper Genre List
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OCLC ResearchOCLC Online Computer Library Center
Future release
Getty Vocabularies
Art & Architecture Thesaurus (AAT)
Thesaurus of Geographic Names (TGN)
Union List of Artists' Names (ULAN)
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Research pane toolbar icon
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OCLC ResearchOCLC Online Computer Library Center
Classify Prototype
Features
Employs data mining of holdings and FRBR
Provides human and machine interfaces that resolve OCLC record number or ISBN to DDC or LCC
Tested with records from WorldCat, a national library, and a public library
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OCLC ResearchOCLC Online Computer Library Center
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OCLC ResearchOCLC Online Computer Library Center
Internal data structure<key>lax, eric/woody allen a biography</key>
<count>7</count>
<holdings>2147</holdings>
- <holdings>
<oclcid heldby="79">25644860</oclcid>
<oclcid heldby="10">26632778</oclcid>
<oclcid heldby="11">27768216</oclcid>
<oclcid heldby="1788">22662351</oclcid>
<oclcid heldby="90">24952523</oclcid>
<oclcid heldby="1">27725913</oclcid>
<oclcid heldby="168">45714340</oclcid>
</holdings>
</work>
- <classes>
- <ddc>
<ddc_number>791.43092</ddc_number>
<edition>20</edition>
<oclcid>27768216</oclcid>
<oclcid>27725913</oclcid>
<holdings>12</holdings>
</ddc>
- <ddc>
<ddc_number>791.43/092</ddc_number>
<edition>20</edition>
<oclcid>24952523</oclcid>
<oclcid>22662351</oclcid>
<holdings>1878</holdings>
</ddc>
</classes>
With DDC FRBR Work Set
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OCLC ResearchOCLC Online Computer Library Center
Phoenix Public Library test
222,197 without DDC numbers
44,704 DDC added from FRBR-clustered records
Four DDC main classes accounted for more than 91% class numbers
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OCLC ResearchOCLC Online Computer Library Center
1%
1%
2%
10%
2%
1%
2%
13%
61%
7%
0 Computer Science…
1 Philosophy & Psychology
2 Religion
3 Social Sciences
4 Language
5 Science
6 Technology
7 Arts
8 Literature
9 History & Geography
DDC added by Main Class
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OCLC ResearchOCLC Online Computer Library Center
Tag Cloud
A tag cloud (...known as a weighted list in the field of visual design) is a visual depiction of content tags…
More frequently used tags are depicted in a larger font or otherwise emphasized
The displayed order is generally alphabetical
(Wikipedia)
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OCLC ResearchOCLC Online Computer Library Center
Flickr tags
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OCLC ResearchOCLC Online Computer Library Center
Tag Cloud Service Features
Provides flexible settings for
Intervals, e.g.,
last 24 hours, last 7 days, last month, etc
Tags per cloud (all, 100, 50,…)
Font sizes
Provides sample style sheets
Employs REST-style calls to add tags
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OCLC ResearchOCLC Online Computer Library Center
DDC Numbers in eBooks Collection
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OCLC ResearchOCLC Online Computer Library Center
Subject Headings in WorldCat
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OCLC ResearchOCLC Online Computer Library Center
Try it
DeweyBrowser
eBooks
WorldCat
Find in a library
Subjects in WorldCat
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OCLC ResearchOCLC Online Computer Library Center
Links
OCLC Research
http://www.oclc.org/research/
ResearchWorks
http://www.oclc.org/research/researchworks/