Academic Library Association of Ohio, Technical Services IG 19 May 2006 OHIONET, Columbus, Ohio

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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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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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Examples

• Lists of approved words or phrases
• Thesauri
• Subject heading systems
• Classification schemes

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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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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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Storage Technology Layer
Full Text
Terminology Services Architecture
SQL
XML
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SRW/U
REST
SOAP
Application Protocol Layer
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• Registration
• Query handling
• Markup translation
• Authorization/Authentication

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Browser Sidebar
Metadata Editing Application
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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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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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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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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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Internal data structure

• ltkeygtlax, eric/woody allen a biographylt/keygt
•   ltcountgt7lt/countgt
•   ltholdingsgt2147lt/holdingsgt
•   - ltholdingsgt
•   ltoclcid heldby"79"gt25644860lt/oclcidgt
•   ltoclcid heldby"10"gt26632778lt/oclcidgt
•   ltoclcid heldby"11"gt27768216lt/oclcidgt
•   ltoclcid heldby"1788"gt22662351lt/oclcidgt
•   ltoclcid heldby"90"gt24952523lt/oclcidgt
•   ltoclcid heldby"1"gt27725913lt/oclcidgt
•   ltoclcid heldby"168"gt45714340lt/oclcidgt
•   lt/holdingsgt
•   lt/workgt
• - ltclassesgt
• - ltddcgt
•   ltddc_numbergt791.43092lt/ddc_numbergt
•   lteditiongt20lt/editiongt
•   ltoclcidgt27768216lt/oclcidgt
•   ltoclcidgt27725913lt/oclcidgt

FRBR Work Set
With DDC
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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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DDC added by Main Class
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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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Flickr tags
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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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DDC Numbers in eBooks Collection
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Subject Headings in WorldCat
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Try it

• DeweyBrowser
• eBooks
• WorldCat
• Find in a library
• Subjects in WorldCat

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Links

• OCLC Research
• http//www.oclc.org/research/
• ResearchWorks
• http//www.oclc.org/research/researchworks/