OCLC Research OCLC Online Computer Library Center Academic Library Association of Ohio, Technical Services IG 19 May 2006 OHIONET, Columbus, Ohio Web Services for [Controlled] Vocabularies Diane Vizine-Goetz OCLC Research

OCLC 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.

OCLC Research OCLC Online Computer Library Center Examples  Lists of “approved” words or phrases  Thesauri  Subject heading systems  Classification schemes

OCLC Research OCLC 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

OCLC Research OCLC 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

Terminology Services Architecture Web Service Proxy SRW/URESTSOAP Browser Sidebar Metadata Editing Application Registration Query handling Markup translation Authorization/Authentication Microsoft Office Research Pane Full Text SQLXML Storage Technology Layer Application Protocol Layer

OCLC Research OCLC 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

OCLC Research OCLC 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

OCLC Research OCLC 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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OCLC Research OCLC 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

OCLC Research OCLC Online Computer Library Center

OCLC Research OCLC Online Computer Library Center Internal data structure lax, eric/woody allen a biography / With DDC FRBR Work Set

OCLC Research OCLC 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

OCLC Research OCLC Online Computer Library Center DDC added by Main Class

OCLC Research OCLC 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)

OCLC Research OCLC Online Computer Library Center Flickr tags

OCLC Research OCLC 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

OCLC Research OCLC Online Computer Library Center DDC Numbers in eBooks Collection

OCLC Research OCLC Online Computer Library Center Subject Headings in WorldCat

OCLC Research OCLC Online Computer Library Center Try it  DeweyBrowser  eBooks eBooks  WorldCat WorldCat  Find in a library  Subjects in WorldCat Subjects in WorldCat

OCLC Research OCLC Online Computer Library Center Links  OCLC Research  ResearchWorks